Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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Electrical, Charging and Starting

Shop Muscle Car Battery, Starter, Alternator, Drives At Speedway Motors

The last thing you want to worry about when you're in your muscle car is whether or not it's going to start!  Let Speedway Motors help by providing some of the best muscle car batteries, starters and alternators in the business.  Bringing you top brands like Braille, Odyssey, Optima and Powermaster is just what we do at Speedway Motors.  Don't trust any old battery to power your muscle car, get the best at Speedway Motors.

Featured Products
  • GM Alternator, 5/8 Inch Wide Alternator Belt Pulley, Plain
    GM Alternator, 5/8 Inch Wide Alternator Belt Pulley, Plain
    (Part #91016250)
    x
                

    So you've converted your Flathead-powered rod over to 12 volts and bolted a GM alternator in place. Now it's time to install the belt, but your engine pulley is 5/8" and the alternator is 1/2"!

    Don’t worry, Speedway has you covered. This alternator pulley allows the use of a 5/8" wide Flathead-style belt on GM externally regulated, SI and one-wire alternators.

  • Speedway Weld-In Battery Box
    $19.99
    Product Rating: 4.59 Stars
    Speedway Weld-In Battery Box
    (Part #91666006)
    x
                Weld-in style 16 gauge steel battery box. Holds a 10-3/4" x 7" battery.
            
  • MSD 5313 5313 - Pulley, Serpentine 6-Groove
    MSD 5313 5313 - Pulley, Serpentine 6-Groove
    (Part #5475313)
    x
                Serpentine 6-Groove pulley.
    • Serpentine 6-Groove pulley
  • Speedway Chevy Mini Starter, 1.4 kW, Plain
    Speedway Chevy Mini Starter, 1.4 kW, Plain
    (Part #91067440)
    x
                High-torque, 1-1/2 HP high output motors and gear reduction drive design spins the engine over faster, with 50% more cranking torque and LESS amp draw than a stock starter! Compact, offset design gives more header and chassis clearance. Perfect for high compression or supercharged Chevy engines. 

    Straight mount 6061-T6 aluminum mounting plates work with 153 or 168 tooth flywheels on Chevy V8 or 90° V6. Works on blocks with angle bolt starter flange by drilling and tapping one hole. 

    910-67440 Instructions (PDF)

  • Electric 12 Volt to 6 Volt Reducer for Motors
    Electric 12 Volt to 6 Volt Reducer for Motors
    (Part #91064103)
    x
                

    This voltage reducer allows the use of an original 6 volt heater blower and switch in a vehicle converted to 12 volts. Safer and much more reliable than the less expensive ceramic type voltage reducers. Compact 1" x 1" x 3" size occupies little space. Reducer works with up to 10 amps of continuous current draw.

    Note: This reducer generates a fair amount of heat when in use. It should be mounted to a non-flammable object, preferrably near cool moving air while the vehicle is in operation.

    910-64103 Instructions (PDF)

  • Aluminum Lower Pulley Spacer
    Aluminum Lower Pulley Spacer
    (Part #91015721)
    x
                Spaces lower pulley out to match with the upper pulleys. Each spacer is .090" thick aluminum.
            
  • MSD 5094 DynaForce Starter, Jeep In-Line 232, 258, 4.0L
    MSD 5094 DynaForce Starter, Jeep In-Line 232, 258, 4.0L
    (Part #5475094)
    x
                Our new DynaForce Starter is designed to crank over the highest compression engines on a hot day in Death Valley. Not that too many race cars are sitting in Death Valley, but its good to know that you have the oomph to make it happen. The DynaForce Starter features all new components beginning with a three horsepower motor. This power is used to crank over the reduced 4.4:1 gear set to deliver great torque to the engines ring gear to get the engine turning. The armature is balanced during assembly and is guided by two ball bearings for smooth engagement and thousands of starts. The downsized housing clears most headers and oil pans. The assembly is powder coated MSD red and will stay looking good, even though its underneath your car.

    Installation Instructions (PDF)

    • Gear reduction of 4.4:1 improves torque for great cranking
    • Three horsepower motor provides power for high compression engines
    • Ball bearing supported armature and pinion gear
    • Downsized design helps clearance issues with oil pans and exhaust
  • Powermaster PowerGEN 82155-2 90A 56-57 Ford T-Bird 12 V Generator, Blk
    Powermaster PowerGEN 82155-2 90A 56-57 Ford T-Bird 12 V Generator, Blk
    (Part #255821552)
    x
                If you like traditional looks and reliable, modern  performance, you’ll love this cool 1-wire   alternator. It has  the look of an original generator, but is really a   12-volt,  negative-ground alternator that produces 65 amps at idle and   90 amps  going down the road. This model is designed to fit 1956-57  Ford Thunderbirds and features a   simple one-wire hookup. 

    We offer this one wire alternator in a black powder coat finish with included stock-appearing mounting brackets (the stock fan carrier bolts to that bracket) and pulleys that accept wide 1/2” belts.

    • Easy one-wire hookup
    • 1/2" wide belt pulley included
    • Includes lamp terminal for (GEN) charge light
    • If using 3/8" wide belt, order pulley # 91067178
    • Uses stock-appearing bracket and fan carrier bolts

    PowerGEN 82155-2 Instructions (PDF)

    Notes

    Warranties

    Powermaster's warranty is one year from the date of purchase on all street rod components, and 90 days for any component use for an off road or race application.  

    Powermaster will provide all warranty service and technical support regarding warranty claims and inquiries directly to the purchaser to resolve any warranty claims or necessary technical support for warranty resolution.  Speedway Motors is not able to service, warranty, or replace any unit that has a warranty consideration.  As such, the component or components are to be returned to Powermaster and not to Speedway Motors.  

    All customers service inquiries pertaining to warranty and defect claims are to be directed to Powermaster and not to Speedway Motors:


    Powermaster Customer & Tech Support

    Phone: (630) 957-4019

    Email: tech@powermasterperformance.com


    Any Powermaster product that is returned directly to Speedway Motors that is not in a new condition, and that is being returned for warranty replacement or refund consideration will be immediately forwarded on to Powermaster from Speedway Motors on behalf of the purchaser with no further action taken until received by Powermaster.  Powermaster will then will provide both the purchaser and Speedway Motors with final resolution as to the warranty claim.

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"Muscle Car, Electrical, Charging and Starting" Page 1 of 18

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  • Taylor Cable 20015 Diamondback Braided Stainless Battery Cable-15 Inch
    Taylor Cable 20015 Diamondback Braided Stainless Battery Cable-15 Inch
    (Part #69820015)
    x
                
    • Braided alloy shielding resists high heat and abrasion
    • Heavy 4 gauge, 100% copper with SXL insulation
    • Solid brass battery terminals are 3 times more conductive than lead
    • Accents braided lines and hoses
    • Post terminal clamp is 3/4"
  • JAZ Products Sealed Plastic Battery Box
    JAZ Products Sealed Plastic Battery Box
    (Part #458700)
    x
                Available in red or black. These battery boxes include mounting and hold down hardware, cable grommets and vent hose. This product is NHRA, IHRA, and SCCA approved.

    458-700 Instuctions (PDF)

  • American Autowire 500511 70 Amp Relay and Plug w/ 12 Inch Pigtail Only
    American Autowire 500511 70 Amp Relay and Plug w/ 12 Inch Pigtail Only
    (Part #91050051)
    x
                

    American Autowire 70 Amp Relay and Plug w/ 12 Inch Pigtail Only

  • Bills Hot Rod Co. Big Block Chevy Power Steering Brackets
    Bills Hot Rod Co. Big Block Chevy Power Steering Brackets
    (Part #91667921)
    x
                

    Fabricated from 1/4" mild steel with stainless/chrome Allen head hardware. Simple installation; all brackets are pre-assembled. Drilling or tapping is not required. Attaches to the lower left front of the block using the two lower bolt holes located by the timing cover (the old front motor mount holes). The adjusting arm mounts to the lower water pump hole. Accepts stock GM Saginaw power steering pumps with attached reservoir.

    Available in chrome or black painted.

  • Small Block Chevy Cast Alum. Long Pump Double Groove Lower Pulley
    Small Block Chevy Cast Alum. Long Pump Double Groove Lower Pulley
    (Part #91015488)
    x
                

    Speedway Cast Aluminum double groove pulleys for Small Block Chevy feature a 20% reduction. Reduction pulleys have a smaller diameter which slows the speed of your fan, water pump, and alternator to reduce drag for more top-end horsepower. Plus, high RPM water pump operation is improved due to reduced fluid cavitation.

    This is a 25% reduction pulley when used with the correct upper pulley, part number 91015476.

    • Machined from lightweight cast aluminum
    • Superior belt retention with extra-deep grooves
    • 20% reduction slows accessories down for less drag
    • Adds top-end horsepower
    • Reduces water pump impeller speed below cavitation threshold
    • Improved high-RPM cooling capabilities
    • 910-15488
      • 5-7/16" O.D.

    Available for long water pumps. 5/8" shaft.

    Note: The lower crank pulleys are manufactured thicker than normal stock pulleys.  This requires longer 3/8" bolts to be purchased separately.  Allen head type bolts recommended. 

     

  • Taylor Cable 20124 Diamondback Shielded Starter to Switch Cable 24 In.
    Taylor Cable 20124 Diamondback Shielded Starter to Switch Cable 24 In.
    (Part #69820124)
    x
                
    • Braided alloy shielding resists high heat and abrasion
    • Heavy 4 gauge, 100% copper with SXL insulation
    • Accents braided lines and hoses
    • Cable has eyelet on both ends
  • Powermaster 57297 GM 12SI 150 Amp Smooth Look Alternator, Black
    Powermaster 57297 GM 12SI 150 Amp Smooth Look Alternator, Black
    (Part #25557297)
    x
                Please view the product's page for more information
            
  • XS Power 525 925 Billet Aluminum Battery Hold Down Kit
    XS Power 525 925 Billet Aluminum Battery Hold Down Kit
    (Part #913525)
    x
                
    These aluminum battery hold downs from XS Power can be used as a universal mount for a variety of applications. They come with all necessary hardware for a quick and easy installation.
    • Lightweight aluminum construction
    • Universal mount design
  • Taylor 20314 14 Inch Braided Grounding Strap Cable
    Taylor 20314 14 Inch Braided Grounding Strap Cable
    (Part #69820314)
    x
                These braided grounding straps from Taylor Cable are 14" long 4-gauge and feature tin coated copper construction.
    • 14" long
    • 1" wide
    • Tin coated copper
    • 4-gauge

    Taylor Cable Warranty Sheet (PDF)

  • Early Ford Powergen One Wire Alternator, 75 Amp
    Early Ford Powergen One Wire Alternator, 75 Amp
    (Part #91067167)
    x
                

    These Powermaster Powergens allow you to keep the authentic looks of a generator with the efficiency of a 1-wire alternator. They put out 75 amps maximum with 60 amps at idle and are a simple one wire design.

    Fits all 1951-1959 engines (except Flathead) and 1960-1964 V-8's. Choose plain or polished. 

    910-67167 Instructions (PDF)

  • King Chrome GM One Wire Alternator, 100 Amp
    King Chrome GM One Wire Alternator, 100 Amp
    (Part #91067102)
    x
                

    Streamline the engine compartment in your street rod or muscle car by eliminating excess wires with this King Chrome 1-wire alternator. Based on the GM Delco-Remy 10SI alternators, these 100-amp units are perfect for vehicles with added electical accessories. King Chrome alternator housings are hand polished to a high luster prior to applying the show-quality triple chrome finish.

    This one wire alternator simply needs hooked up direct to the main battery lead or power source. Then the internal regulator picks up the available current and kicks the alternator into the charge mode at the pre-set voltage.

    • Hand polished, triple chrome plated finish
    • Internally-regulated GM 10SI style "one-wire" alternator
    • Quick, easy hook-up with supplied instructions
    • Attaches to all popular GM alternator brackets
    • Direct replacement for most 1971-86 GM cars and light trucks
    • 100 amp max output
    • Excellent idle output
  • Small Block Chevy Outboard Alternator Bracket
    Small Block Chevy Outboard Alternator Bracket
    (Part #91667931)
    x
                

    We all know what a pain it is to come up with a pulley, bracket, and belt combination to work on your small block Chevy engine. We have pre-engineered our package to include the nuts, bolts, and polished billet aluminum brackets to make this a simple installation.

     

    Outboard mount for fat fendered cars.


    Note: S/B Chevy, short style water pump only.  Not to be used in conjunction with power steering due to belt interference with the power steering pump.  

  • Small Block Chevy Black Alternator Bracket
    Small Block Chevy Black Alternator Bracket
    (Part #91667896)
    x
                

    These rugged, hi-tech aluminum alternator brackets feature a painted black finish. They attach to front of cylinder head of any Small Block Chevy with a short water pump. Mounting hardware is included.

    • Rugged, hi-tech aluminum bracket with a painted black finish.
    • Attaches to front of cylinder head of Small Block Chevy.
    • Mounting hardware included
    • Fully adjustable
    • For use with short water pump 
  • Billet FM2221PC BBC Mid Mount Serpentine Conversion Kit, Keyway Shaft
    Billet FM2221PC BBC Mid Mount Serpentine Conversion Kit, Keyway Shaft
    (Part #91013272)
    x
                Please view the product's page for more information
            
  • Taylor Cable 20027 Diamondback Braided Stainless Battery Cable-27 Inch
    Taylor Cable 20027 Diamondback Braided Stainless Battery Cable-27 Inch
    (Part #69820027)
    x
                
    • Braided alloy shielding resists high heat and abrasion
    • Heavy 4 gauge, 100% copper with SXL insulation
    • Solid brass battery terminals are 3 times more conductive than lead
    • Accents braided lines and hoses
    • Post terminal clamp is 3/4"
  • MSD 5096 GM LS1-LS7 DynaForce Gear Reduction Starter
    MSD 5096 GM LS1-LS7 DynaForce Gear Reduction Starter
    (Part #5475096)
    x
                

    The new DynaForce Starter is designed to crank over the highest compression engines on a hot day in Death Valley. Not that too many race cars are sitting in Death Valley, but it’s good to know that you have the oomph to make it happen. The DynaForce Starter features all new components beginning with a three horsepower motor. This power is used to crank over the reduced 4.4:1 gear set to deliver great torque to the engine’s ring gear to get the engine turning. The armature is balanced during assembly and is guided by two ball bearings for smooth engagement and thousands of starts. The downsized housing clears most headers and oil pans, but just in case, we made the billet mount so it can be clocked in different positions to help in tight applications. The assembly is powder coated MSD red and will stay looking good, even though it’s underneath your car.  WILL NOT FIT GTO's.  For GM LS Series Engines.

    • Gear reduction of 4.4:1 improves torque for great cranking
    • Three horsepower motor provides power for high compression engines
    • Ball bearing supported armature and pinion gear
    • Downsized design helps clearance issues with oil pans and exhaust
    • Mount can be clocked to assist in mounting

    547-5096 Instructions (pdf)

    MSD Rebate (Link)

  • 1969-1985 Small Block Chevy Aluminum Triple Lower Pulley, Long Pump
    1969-1985 Small Block Chevy Aluminum Triple Lower Pulley, Long Pump
    (Part #91015479)
    x
                

    Cast aluminum triple groove V-belt crankshaft pulley for use with '69-'85 Small Block Chevy long style water pumps.

    • Precision machined aluminum construction
    • Lightweight and strong
    • Three grooves for V-belts
    • Mounting face to first groove:  1.090"
    • First groove to second groove:  .625"
    • Second groove to third groove:  .687"
    • Overall Thickness:  2.77"
    • Diameter:  6-5/8"
  • Small Block Chevy Aluminum Double Lower Pulley, Short Pump
    Small Block Chevy Aluminum Double Lower Pulley, Short Pump
    (Part #91015474)
    x
                

    Cast aluminum double groove V-belt crankshaft pulley for use with '55-'68 Small Block Chevy short style water pumps.

    • Precision machined aluminum construction
    • Lightweight and strong
    • Double grooves for two V-belts

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump.

  • Billet Remote Battery Terminal Mount
    Billet Remote Battery Terminal Mount
    (Part #91012528)
    x
                Billet Remote Battery Terminal Mount
            
  • Powermaster 9510 Pontiac V8 Gear Reduction Starter
    Powermaster 9510 Pontiac V8 Gear Reduction Starter
    (Part #91067488)
    x
                

    This eight pound, high-torque gear reduction starter clears all headers and oil pans where original equipment starters won't. Also has no heat soak problems. 4.4:1 reduction ratio, 200 ft. lbs. of torque.

    910-67488 Instructions (PDF)

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