Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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Shop Moroso Products At Speedway Motors

Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications. Moroso manufactures over 3000 products, from oil pans and oiling systems to ignition components and suspension equipment and numerous other performance parts. The company has an impressive list of customers, ranging from grass-roots racers to top level NASCAR Sprint Cup and NHRA/IHRA race team.

Featured Products
Moroso OE64011 Flathead Universal Spark Plug Wires Kit
Moroso OE64011 Flathead Universal Spark Plug Wires Kit
SKU-91064200
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Finally, a set of 7mm supression spark plug cables as a universal plug wire kit for your Flathead.

We started with black, 7mm suppressive core wire that will go through your looms. The 90° black plug boots are installed but you have to install the straight or 90° distributor ends. We even put in enough wire to place your coil on the firewall. Comes with straight boots for the distributor end of the plug wire. Black only.

Two sets of boots/terminals are included, one set for conventional socket-type caps and one set for HEI type caps. The set includes 9 cables, the longest being 51" and the shortest being 24". Use eight for the plugs, one for the coil.

Learn how to properly attach new spark plug terminals and boots by reading our tech article. How to Install Spark Plug Wire Ends.

Moroso 63500 Small Block Chevy Aluminum Short Water Pump
Moroso 63500 Small Block Chevy Aluminum Short Water Pump
SKU-54563500
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Moroso first pioneered the aluminum water pump for racing over 15 years ago. Over the years, continual improvements have resulted in providing the best cooling system components available for competition use.

  • Computer designed housing cast from 356-T6 aluminum
  • Lightweight impeller maintains consistent coolant temp throughout the water jacket
  • Low-drag impeller adds 14HP @ 7,500 RPM 
  • Includes integral cam stop boss
  • Overall length of 5.603" from rear mounting face to hub face  

Fits 1955-1968 “Short” design 5/8" shaft S/B Chevy appliactions. Note: Pump will not clear a billet 910-11040 timing cover.

545-63500 Instructions (PDF)

Learn how to choose the correct water pump for your application by reading our tech article.  SBC - Short vs Long Water Pump.    

Moroso 94054 Hi-Flow 2-1/2 Inch Polished Stainless Mufflers
Moroso 94054 Hi-Flow 2-1/2 Inch Polished Stainless Mufflers
SKU-54594054
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If you want good looks and high performance but have limited space, these are for you. Beautifully polished stainless steel mufflers have a small 4" O.D. and have a 12" installed length. Spiral baffle is less restrictive and won't burn out like a glasspack. 2-1/2" inlet and outlet.

  • Reduced noise levels with minimal back pressure
  • Stainless steel construction makes them durable without compromising the looks 
Moroso Chevy Steel Motor Mounts
Moroso Chevy Steel Motor Mounts
SKU-54562515
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If your race vehicle reqires rigid motor mounts, our solid steel mounts won't let you down. These engine brackets are designed to be used with our Steel Frame Mounts 545-62630. 

  • Replaces soft, OEM rubber motor mounts
  • Positive, solid mount eliminates engine rotation and torque loss
  • Prevents linkage binding
  • Fits both Small Block and Big Block Chevy

 

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  • Moroso 23961 Oil Pan Scavenge Screens
    Moroso 23961 Oil Pan Scavenge Screens
    SKU-54523961
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    Screws right into port fittings in your oil pan. Helps to keep debris from damaging your expensive oil pump. -12 port fittings x-12 AN.

    • Traps metal chips and debris before reaching external or dry sump oil pumps, or rear end lube pumps
    • 304 stainless steel screen uses .015" diameter, 16 mesh wire
    • Easily removed for cleaning

     

  • Moroso 62520 Mopar Solid Motor Mounts
    Moroso 62520 Mopar Solid Motor Mounts
    SKU-54562520
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                These Chrysler solid motor mounts fits Mopar V8, replaces OEM 2536121.       
            
  • Moroso Spark Plug Wires, Over Valves, Socket Cap, Ready-To-Install
    Moroso Spark Plug Wires, Over Valves, Socket Cap, Ready-To-Install
    SKU-91064305
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                If you have ever tried to put plug wires together yourself, you know how fustrating it can be. These pre-assembled Moroso 8mm spiral core wires are fiberglass reinforced with a silicone outer layer. Wires have 90° boots on both ends. Available in red or black for small block Chevy.

    Note: Standard Cap = Socket-style Cap = Points-style Cap

  • Moroso 64945 Phenolic Insulating Carb Spacer for Holley 390
    Moroso 64945 Phenolic Insulating Carb Spacer for Holley 390
    SKU-54564945
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    Phenolic material is a type of plastic resin which has excellent insulating properties, so it will keep the fuel in your 4 barrel Holley 4150/4160 cooler for more power. For 390 CFM carbs with 1.467" diameter bores.

    • Specially formulated material reduces heat conductivity 10 times greater than aluminum
    • Reduces fuel temperature inside the carburetor
    • Denser, more powerful fuel charge to the manifold
    • 4 hole plenum design
    • 1/2" height
    • Gaskets not included
  • Moroso 25970 Universal Dipstick
    Moroso 25970 Universal Dipstick
    SKU-54525970
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    Moroso Universal Dipstick

    Instructions (PDF)

  • Moroso 20212 Chevy II 1986-Up Small Block Oil Pan
    Moroso 20212 Chevy II 1986-Up Small Block Oil Pan
    SKU-54520212
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    If you are lucky enough to be putting together a '62-'67 Chevy II, you know the oil pan is a little bit special. These Moroso pans take the pain out of the engine install while giving it a better oiling system. Has a 6 quart capacity (not including filter).

    • Pick-up 54524120 or 54524122 is required for installation
    • Wet Sump, 9" Deep
    • Clears 3.80" stroke with most steel rods
    • Notched sump clears steering linkage
    • Compatible with most starter/flywheel combinations
    • Reduces oil temperature

    For cars without power steering. Pump pick-up NOT included but is available as noted below.

    Moroso Oil Pan Instructions (PDF)

  • Moroso 68850 Sprint Car Breather Kit
    $184.99
    $211.99
    Moroso 68850 Sprint Car Breather Kit
    SKU-54568850
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    • Attaches to the valley pan on a sprint car engine
    • Kit includes a 1-3/4" diameter tubing with 8.5" long legs
    • Black anodize finish
    • Includes a billet aluminum clamp with mounting holes
    • Cleanable and re-usable filter
  • Moroso 21323 Circle Track Oil Pan, 1980-85 Pass. Side Dipstick w/ Plug
    Moroso 21323 Circle Track Oil Pan, 1980-85 Pass. Side Dipstick w/ Plug
    SKU-54521323
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    Now you can have a Moroso oil pan for an affordable price. It features trap doors for oil control, removable windage tray, built-in crank scraper and accepts up to 3.800" stroke with steel rods. It's 7-1/2" deep, 11" wide and fits 78-87 Metric chassis and Camaro stubs. Fits small block Chevy.

    • Cost-effective Circle Track oil pan with Moroso quality and performance
    • Trap door baffles for oil control
    • Removable louvered windage tray
    • Built–in crankscraper
    • Accepts 3.80" stroke with steel rods
    • Accepts most starter and flywheel combinations
    • Will not fit engine blocks with splayed main caps
    • Accepts most starter and flywheel combinations
    • Will not fit engine blocks with splayed main caps
    • Has a 7 quart capacity (not including oil filter)
  • Moroso Spark Plug Wires, Under Headers, HEI Cap, Ready-To-Install
    Moroso Spark Plug Wires, Under Headers, HEI Cap, Ready-To-Install
    SKU-91064310
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                If you have ever tried to put plug wires together yourself, you know how fustrating it can be. These pre-assembled Moroso 7mm spiral core wires are fiberglass reinforced with a silicone outer layer. Wires have 90° boots on both ends. Available in red or black for small block Chevy.
            
  • Moroso 46200 Screw-In Wheel Studs, 1/2-20 x 3 Inch, 5 Pack
    New
    Moroso 46200 Screw-In Wheel Studs, 1/2-20 x 3 Inch, 5 Pack
    SKU-54546200
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    These screw-in wheel studs manufactured from Moroso Performance are made of a high strength steel. The screw-in design makes them easy to apply. These wheel studs are sold in sets of 5.

    • 1/2" -20 x 3"
    • Screw-in
    • Socket Head Cap Screw
    • Fits all aftermarket axles with 1/2" -20 threads 
    • Made in USA

    Note: Do NOT use these studs with wheel spacers!

  • Moroso 63500 Small Block Chevy Aluminum Short Water Pump
    Moroso 63500 Small Block Chevy Aluminum Short Water Pump
    SKU-54563500
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    Moroso first pioneered the aluminum water pump for racing over 15 years ago. Over the years, continual improvements have resulted in providing the best cooling system components available for competition use.

    • Computer designed housing cast from 356-T6 aluminum
    • Lightweight impeller maintains consistent coolant temp throughout the water jacket
    • Low-drag impeller adds 14HP @ 7,500 RPM 
    • Includes integral cam stop boss
    • Overall length of 5.603" from rear mounting face to hub face  

    Fits 1955-1968 “Short” design 5/8" shaft S/B Chevy appliactions. Note: Pump will not clear a billet 910-11040 timing cover.

    545-63500 Instructions (PDF)

    Learn how to choose the correct water pump for your application by reading our tech article.  SBC - Short vs Long Water Pump.    

  • Moroso 23845 Engine Save Pre-Filter Oil Filter Screen
    Moroso 23845 Engine Save Pre-Filter Oil Filter Screen
    SKU-54523845
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    Stainless steel screen locates between the block and the oil filter to stop debris before it enters the filter element. Periodic inspections serve as early warning of engine failure. Fits S/B, B/B and 90° V-6 Chevy engines with spin-on oil filters. Does not affect oil pressure.

    • Unique stainless steel screen locates on top of spin-on oil filters to trap debris before it enters the filter element undetected
    • Particulate matter trapped in the screen and detected during periodic inspections serves as an "early warning signal" for impending engine failures
    • 304 stainless steel filtration-grade screen traps contaminants down to the 280 micron range without affecting oil flow or oil pressure
    • Crimped rings at both outside and inside diameters provide increased strength and extended durability
  • Moroso OE64011 Flathead Universal Spark Plug Wires Kit
    Moroso OE64011 Flathead Universal Spark Plug Wires Kit
    SKU-91064200
    x
                

    Finally, a set of 7mm supression spark plug cables as a universal plug wire kit for your Flathead.

    We started with black, 7mm suppressive core wire that will go through your looms. The 90° black plug boots are installed but you have to install the straight or 90° distributor ends. We even put in enough wire to place your coil on the firewall. Comes with straight boots for the distributor end of the plug wire. Black only.

    Two sets of boots/terminals are included, one set for conventional socket-type caps and one set for HEI type caps. The set includes 9 cables, the longest being 51" and the shortest being 24". Use eight for the plugs, one for the coil.

    Learn how to properly attach new spark plug terminals and boots by reading our tech article. How to Install Spark Plug Wire Ends.

  • Moroso 23901 Oil Accumulator, 1.5 Quart Capacity
    Moroso 23901 Oil Accumulator, 1.5 Quart Capacity
    SKU-54523901
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    This Moroso oil accumulator prevents intermittent loss of oil pressure that can occur under hard acceleration, severe cornering or hard braking. If oil pressure drops below optimum levels, an air-charged piston automatically forces up to 1.5 quarts of reserve oil to the main galleries.

    The Accumulator is tapped to the pressure side of the engine’s oiling system. When the engine is running, oil pressure forces reserve oil into the accumulator and compresses the air ahead. When the danger is over and the pump is once again primed with oil, the oil pressure forces oil back into the Accumulator where it is ready for the next emergency. Moroso Accumulators can also be used to manually pre-lube engines before starting to prevent cold-start scuffing and premature bearing wear.

    • Perfect for Sport Compacts and other vehicles with 4- and 6-cylinder engines
    • 1-1/2 quarts of oil under pressure provide emergency supply instantaneously when needed
    • Air Pressure gauge verifies that Accumulator is ready for use
    • Cold start valve releases oil into cold engine for reduced wear
    • Tapped for 1/2" NPT fitting
    • Can be mounted in any position using Moroso Accumulator Mount Brackets

    545-23901 Instructions (PDF)

  • Moroso 20511 Small Block Ford 302 Rear Sump Oil Pan
    Moroso 20511 Small Block Ford 302 Rear Sump Oil Pan
    SKU-54520511
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    Moroso kicked-out sump oil pans offer increased oil capacity without restricting ground clearance or having the oil too close to the crankshaft. Trap door baffles are also included to provide a constant supply of oil at the pickup under severe racing conditions.

    • Clears all 4-bolt main caps including 4-bolt rear
    • Clears 3.40" stroke with most steel rods
    • Engineered to supply oil to sump at all times
    • Compatible with most starter/flywheel combinations
    • Includes universal chrome dipstick kit
    • Increased capacity reduces oil temperature
    • Magnetic oil drain plug
    • For use with 1-piece, rear sump gasket
    • Rear sump
    • 7 quart capacity (not including filter)
    • 9" deep

    Fits: 1979-up Mustang, 1981-'88 Thunderbird, Cougar, 1979-'86 Capri and other Ford rear sump applications (except Mustang II).

  • Moroso 64060 Chevy Short Pump Double Groove Crank Pulley
    Moroso 64060 Chevy Short Pump Double Groove Crank Pulley
    SKU-54564060
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                S/B Chevy, double groove cast aluminum lower pulley, 25% reduction. Available for short water pumps. 5/8" shaft.
    • Precision machined from high grade, lightweight aluminum castings
    • Extra-deep belt grooves provide added belt retention during rapid changes in engine RPM
    • Small pulley diameter slows fan, water pump, and alternator speed to reduce horsepower-robbing drag
    • High RPM water pump operation is improved, reducing impeller speed below cavitation threshold
    • 5-3/8" diameter
  • Moroso 23920 Oil Accumulator Mount Bracket
    Moroso 23920 Oil Accumulator Mount Bracket
    SKU-54523920
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    For use with Moroso 1.5 quart and 3 quart oil accumulators # 545-23901 and 545-23900. 

    • Brackets provide safe, sure mount for Moroso Accumulators
    • Designed to be easily fastened to any flat surface
    • Includes T-Bolt type clamps accepted by NHRA

    545-23920 Instructions (PDF) 

  • Moroso 62250 Mopar V8 Oil Pump Primer
    Moroso 62250 Mopar V8 Oil Pump Primer
    SKU-54562250
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    Use with an electric drill to prime engine before starting. Remove the distributor and insert this primer to engage the end of the oil pump drive.

  • Moroso 62210 Ford 289, 302, 390, 428 V8 Oil Pump Primer
    Moroso 62210 Ford 289, 302, 390, 428 V8 Oil Pump Primer
    SKU-54562210
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    Use with an electric drill to prime engine before starting. Remove the distributor and insert this primer to engage the end of the oil pump drive. Pump drive end of the primer fits 1/4" hex male end of the oil pump drive. 9" total length.

  • Moroso 26150 Chevy Distributor Shim Kit
    Moroso 26150 Chevy Distributor Shim Kit
    SKU-54526150
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    Eliminates oil pump bind and spark scatter when using a distributor in an engine with milled heads or decks. Shims fit between the intake manifold and your distributor allowing you to properly set gear mesh. Made from leak-free, high impact nylon.

    • Eliminates oil pump bind and spark scatter 
    • Prevents wiping out your distributor gear
    • Made from high impact nylon to exact GM gasket specs
    • Kit contains 3 sizes; .030", .060" & .100"
  • Moroso 65910 Chrome Air Cleaner, 14 x 3 Inch
    Moroso 65910 Chrome Air Cleaner, 14 x 3 Inch
    SKU-54565910
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    14" diameter with 3" high filter to fit 4 barrel carbs with 5-1/8" diameter necks. Offers maximum air flow with only 2-1/2" stack height above the carburetor lip. Dyno tests report that small blocks using Moroso air cleaners can produce 10 more horsepower than with other air cleaners.

    • Moroso's unique radiused air inlet design equalizes air pressure past the boosters for uniform air flow
    • Radiused air inlet is stamped into air cleaner base to reduce overall height
    • Back to back dyno testing proves a gain of over nearly 10 horsepower over running no air cleaner at all
    • Overall stacking height above the carburetor lip of only 2-1/2"
    • Fits all Holley, Carter, Rochester, and Edelbrock carburetors with 5-1/8" dia. necks
  • Moroso 37800 Chevy Block Deck Plug Kit
    Moroso 37800 Chevy Block Deck Plug Kit
    SKU-54537800
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    Reduce upper cylinder wall distortion by installing 3/4" NPT plugs in deck water passage holes of S/B Chevy V8 and 90° V6 Chevys. Machining necessary after installation. Makes water passage holes 5/16".

    • Reduces upper cylinder wall distortion
    • Water holes must be tapped before the plugs are screwed in
    • Block must also be decked after installation
    • Plugs also restrict water flow to the cylinder heads by reducing size of water passage holes to 5/16"
  • Moroso Ultra-40 Racing Spark Plug Wires, 135 Degree
    Moroso Ultra-40 Racing Spark Plug Wires, 135 Degree
    SKU-54573802
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    Ultra-40 Universal Race Wires - 135°

    • Moroso Ultra-40 Race Wire is the standard in high performance ignition wire
    • Optimized EMI/RFI resistance
    • Used in the highest level of racing applications, from dual mag Top Fuel Carsthru NASCAR Sprint Cup Series
    • 8.65mm diameter wire with 40 ohms if resistance per foot
    • Incorporates a highly engineered spiral wound conductor
    • Maximizes energy transfer and minimizes electro magnetic interference (EMI) and radio frequency (RF) interference noise
    • Universal fit and comes with coil wire
    • Available in Red, Blue and Black

    The most powerful wire for any race application!

    Learn how to properly attach new spark plug terminals and boots by reading our tech article. How to Install Spark Plug Wire Ends.

  • Moroso 25000 Small Block Chevy Oil Gallery Screen Kit
    Moroso 25000 Small Block Chevy Oil Gallery Screen Kit
    SKU-54525000
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    Includes 8 plugs that redirect oil to the front and rear return galleries. Returns oil to sump area.

    • Inexpensive engine insurance
    • Traps metal fragments or loose components resulting from valvetrain failure before reaching vital engine parts
    • Stainless steel mesh screens are fitted over holes in lifter gallery with supplied epoxy
  • Moroso 23860 Aluminum In-Line Screened Oil Filter, -12 AN
    Moroso 23860 Aluminum In-Line Screened Oil Filter, -12 AN
    SKU-54523860
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    • Place in scavenge lines to protect pump from metal chips
    • Prevents metal chips and other debris from entering dry sump pumps, rear end pumps and other oiling system components
    • Ideal for use in oiling system scavenge lines
    • Manufactured from lightweight aluminum
    • Disassembles for easy cleaning
    • 304 stainless steel screen uses .018" diameter 16 mesh wire

    545-23860 Instructions (PDF)

  • Moroso 63846 Small Block Ford Mandrel Drive Kit
    Moroso 63846 Small Block Ford Mandrel Drive Kit
    SKU-54563846
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    This mandrel drive kit is just the ticket if you are running a S/B Ford with a belt drive pump. Includes a 16 tooth Gilmer pulley, 2-1/2" v-belt pulley and required spacers to work with most combinations. Fits balancers with a 2.11, I.D. and 3 or 4 bolt pattern with pulleys.

    • Fits Small Block Ford 302-351W with either three or four mounting bolts
    • 3.30" bolt circle, 2.432" male register—will NOT fit 289
    • Hub mounted to harmonic balancer
    • Pulleys are 6061-T6 aluminum and hard coat anodized for exceptional strength and extended service life

    Includes: 2-1/2" V-belt pulley for vacuum pump, 1" (16-tooth) Gilmer pulley for external oil pump, guide plates, assorted spacers, belt guides and hardware.

  • Moroso 24316 Pick-Up for Hi-Volume Pump
    Moroso 24316 Pick-Up for Hi-Volume Pump
    SKU-54524316
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                Pick-up for Hi-Volume pump
            
  • Moroso 62160 Spark Plug Indexer, 14MM
    Moroso 62160 Spark Plug Indexer, 14MM
    SKU-54562160
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    High-compression drag race engines require “indexing” of spark plugs to prevent contact between piston dome and ground wire of the spark plugs. Moroso’s indexer, designed for both flat and taper-seat 14mm spark plugs, enables selection of spark plugs that will not make such contact. Once a given plug is selected (placed in a cylinder head and found to have the correct ground wire position), it is placed in the Moroso Plug Indexer and the position of the ground electrode marked on the black anodized surface. Marking provides a reference for checking other plugs to be used in the same cylinder.

    • Designed for both flat and tapered seat 14 mm spark plugs
    • Black anodized for easy marking
    • Hex-head design allows it to be held in a vise
  • Moroso 65223 Reusable Buna-N Holley   Gaskets, Secondary Metering
    Moroso 65223 Reusable Buna-N Holley Gaskets, Secondary Metering
    SKU-54565223
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    • Moroso replacement gaskets for Holley® 4150-4160 series carbs are made from high grade Buna-N compound with an anti-wicking nylon backing and for use with alcohol or racing gasoline
    • For 4160 secondary metering plate only
    • Reuseable
  • Moroso 68050 Billet Aluminum Small Block Chevy Sprint Valve Covers
    New
    Moroso 68050 Billet Aluminum Small Block Chevy Sprint Valve Covers
    SKU-54568050
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    These Moroso billet aluminum valve covers are designed for use with small block Chevy engines with 12° to 23° cylinder heads with the valves in the conventional location.  Each valve cover is CNC machined from a billet aluminum bar.  The end result is that each valve cover weighs 1.69 lbs without sacrificing strength.  Airtight sealing allows the engine to pull greater vacuum for improved ring seal and power.

    • Black anodized finish
    • Billet aluminum
    • Designed for Sprint Cars
    • Fits SBC engines with 12° to 23° heads
    • Works in other applications that require strong lightweight valve covers
  • Moroso 23980 Dry Sump Engine Oil Preheater
    Moroso 23980 Dry Sump Engine Oil Preheater
    SKU-54523980
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    Oil heater raises temperature of 12 quarts of oil 60° in about 12 minutes. For aluminum tanks. 1" NPT bung included. Complete with detachable 6' cord. 120 volts, 212 watts.

    • Heater element designed specifically for heating oil; does not scorch or boil the oil like "converted water heater" designs
    • 212 watts of power raises temperature of 12 quarts of oil 60°F in about 30 minutes
    • Element screws into place; available with aluminum or steel 1" NPT fitting
    • 120 volt rating; includes detachable 7-foot cord
    • Length of heating element is 4-1/2" from fitting to tip
  • Moroso 23997 External Self-Adhesive Heating Pad, 2 x 15 Inch, 150 Watt
    Moroso 23997 External Self-Adhesive Heating Pad, 2 x 15 Inch, 150 Watt
    SKU-54523997
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    We all know that you should never go on the track with a cold engine or transmission. Rather than running them in the pits you can plug one of these heaters into your generator and in no time, you are ready to race.

    • Excellent for pre-heating of oil pans, dry sump tanks and automatic transmission pans
    • Preheats oil prior to start-up
    • 6" x 12" neoprene rubber-coated heating pad
    • Etched foil design distributes heat evenly
    • Superior grade silicone outer shell resists oil and dirt
    • 36" cord
    • 110 volt AC
  • Moroso 65750 Lightweight Fuel Pump Pushrod
    Moroso 65750 Lightweight Fuel Pump Pushrod
    SKU-54565750
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    This lightweight fuel pump push rod helps prevent fuel pump arm float at high RPM and subsequent fuel starvation. Fits both Small Block Chevy (SBC) and Big Block Chevy (BBC).

    • For use in Drag, Oval Track and Street-Performance applications

     

  • Moroso 62220 Ford 351W, 351C, 400, 429, 460 V8 Oil Pump Primer
    Moroso 62220 Ford 351W, 351C, 400, 429, 460 V8 Oil Pump Primer
    SKU-54562220
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    Use with an electric drill to prime engine before starting. Remove the distributor and insert this primer to engage the end of the oil pump drive. Pump drive end of the primer fits 5/16" hex male end of the oil pump drive.

  • Moroso 38550 Small Block Chevy Oil Pan Self Locking Bolt Kit
    Moroso 38550 Small Block Chevy Oil Pan Self Locking Bolt Kit
    SKU-54538550
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    Use these quality self locking oil pan bolts for small block and 90° V6 Chevy and Oldsmobile V8's. They feature integral serrated washer face to provide a self-locking effect.  Comes in a set of 18.

    • Small block and 90° V6 Chevy and Oldsmobile V8's
    • Integral serrated washer face provides self-locking effect
    • Set of 18
    • Grade 8 steel cadmium plated
  • Moroso 22000 Small Block Chevy Oil Restrictors
    Moroso 22000 Small Block Chevy Oil Restrictors
    SKU-54522000
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    Must drill and tap oil galleries under cam bearing. Sold as a kit. Oil Restrictor Kit. Small Block and Big Block Chevy engines, .060" orifice diameter. Oil delivery holes at rear cam bearing must be tapped to install. Includes 2 per kit.

    • Reduces oil flow to upper engine assembly, leaving more oil available for the rod and main bearings
    • Reduces power-robbing windage by reducing the volume of oil passing by the rotating assembly on its return to the pan
    • Do not use with hydraulic lifters

    545-22000 Instructions (PDF)

  • Moroso 72800 Solid Core Spark Plug Wires, Straight Boot, Blue Max
    Moroso 72800 Solid Core Spark Plug Wires, Straight Boot, Blue Max
    SKU-54572800
    x
                Blue Max solid core spark plug wires combine state-of-the-art engineering with the finest workmanship and quality control available! These solid core sets are pre-terminated at the spark plug end and include enough wire, boots and terminals so you can complete the distributor/magneto end. Wire color is blue. Not for use with MSD components. 
    • 8mm super-high-performance wire for racing only
    • Engineered for magneto and other ignitions that do not require electro-magnetic interference (EMI) suppression
    • Combination silver-plated copper and stainless steel "solid core" provides maximum conductivity and strength
    • Each wire individually tested for continuity after termination to ensure race-ready performance
    • Universal set fits both HEI and socket style caps
    • Spark plug terminals and boots factory installed
    • You install distributor ends

    Learn how to properly attach new spark plug terminals and boots by reading our tech article. How to Install Spark Plug Wire Ends.

  • Moroso 21324 Circle Track Oil Pan w/ One Piece Rear Main Seal & Plug
    Moroso 21324 Circle Track Oil Pan w/ One Piece Rear Main Seal & Plug
    SKU-54521324
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    Now you can have a Moroso oil pan for an affordable price. It features trap doors for oil control, removable windage tray, built-in crank scraper and accepts up to 3.800" stroke with steel rods. It's 7-1/2" deep, 11" wide and fits 78-87 Metric chassis and Camaro stubs. Fits small block Chevy.

    • Cost-effective Circle Track oil pan with Moroso quality and performance
    • Trap door baffles for oil control
    • Removable louvered windage tray
    • Built–in crankscraper
    • Accepts 3.80" stroke with steel rods
    • Accepts most starter and flywheel combinations
    • Will not fit engine blocks with splayed main caps
    • Accepts most starter and flywheel combinations
    • Will not fit engine blocks with splayed main caps
    • Has a 7 quart capacity (not including oil filter)
  • Moroso 65945 Chrome Air Cleaner for Holley 4500, 14 x 3 Inch
    Moroso 65945 Chrome Air Cleaner for Holley 4500, 14 x 3 Inch
    SKU-54565945
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    Dyno tests report that small blocks using Moroso air cleaners can produce 10 more horsepower than with other air cleaners.  Has a 14" diameter with 3" high filter to fit most Holley 4500 Series 4 bbl. carbs with 7-5/16" diameter necks. Offers the racer maximum air flow with only 2-1/2" stack height above the carburetor lip.

    • Flat bottom design raises installed height of air cleaner for additional sheet metal clearance in race cars such as NASCAR® Modifieds
    • 14" diameter with 3" filter element
    • Chrome plated steel
    • Fits most Holley 4500 Series 4 bbl. carburetors
  • Moroso 26211 Small Block Ford V8 Distributor Clamp
    Moroso 26211 Small Block Ford V8 Distributor Clamp
    SKU-54526211
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    Extra heavy duty distributor clamp for Small Block Ford (SBF). Gives more hold-down area. This part is chrome plated.

    • Extra-thick and heavy-duty to ensure adequate retention of distributor housing
    • Stud mounted to eliminate thread wear in intake manifold
    • Slotted for quick distributor removal
    • Includes stud, washer, nut

     

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