Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
Speedway Motors Logo
America's Oldest Speed Shop ®

Search

Filter

Page 1 of 22

Products

Camshaft and Valvetrain

Shop Classic Truck Engines At Speedway Motors

Speedway Motors has high performance classic truck engine parts at everyday low prices. Whether you are building a Small Block Chevy or Ford Flathead, Speedway has you covered with thousands of parts in stock, ready to ship. With everything from pison sets to camshafts, Speedway can feed your need for speed! Complete classic pickup truck crate engines of multiple sizes, like Chevy 305, 350, 383 and others, are available at great prices! We also have a large selection of cylinder heads, crankshafts and roller rocker arms, so make Speedway your classic truck performance engine solution.

Featured Products
  • COMP Cams 1801-16 Ultra Pro Magnum XD Rocker Arms, Chevy 3/8 Stud 1.5 Ratio
    New
    COMP Cams 1801-16 Ultra Pro Magnum XD Rocker Arms, Chevy 3/8 Stud 1.5 Ratio
    (Part #2821801)
    x
                

    The Ultra Pro Magnum™ Roller Rocker Arms for Chevy V8 265-400 applications not only live up to the lofty standards of the original Pro Magnums™, but they also take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 3/8" stud diameter and 1.5 ratio.

    • Suitable for use with up to 1000 lbs of open spring pressure
    • Billet pushrod seat insert offers exceptional durability
    • 8650 steel construction outlasts & outperforms other rockers in accuracy and strength
    • Precision-sorted needle bearings better distribute the load and reduce wear for a longer service life
    • Advanced FEA & CAD development improve strength & stiffness
    • Engineered for use in endurance, circle track and drag race applications with improved strength and durability
    • Lifetime Warranty - So strong that COMP Cams guarantees the rocker bodies against breakage for life
    • Set of 16

     

  • Dart 32210041 Coated Camshaft Bearing Set, Dart Small Block Ford 302
    Dart 32210041 Coated Camshaft Bearing Set, Dart Small Block Ford 302
    (Part #30432211)
    x
                

    These high quality camshaft bearings from Dart Machinery are prepared with a special Teflon coating for enhanced durabiltiy.  Dart's coated cam bearings are designed for DART SHP Ford 302 blocks only.  Please note that because they are specific to the Dart block, these are NOT applicable to the o/e Ford engine block application.

    • Standard camshaft bearing set
    • For DART SHP Small Block Ford 302
    • Special Teflon coating for enhanced durability
  • Small Block Chevy Aluminum Cam Button
    Small Block Chevy Aluminum Cam Button
    (Part #91599001)
    x
                Limits lateral movement of camshaft ("cam walk"). Solid aluminum construction. Fits Small Block Chevy 262-400 c.i. and 90° V6.
            
  • Isky Racing Cams 811100 Max-1 1949-53 Flathead Ford Camshaft
    Isky Racing Cams 811100 Max-1 1949-53 Flathead Ford Camshaft
    (Part #450811100)
    x
                

    The Isky Max-1 is the original "3/4 race" cam grind. It is the best camshaft we have found for a majority of flathead V8-powered street rods.

    • Delivers that distinctive hot rod sound, yet maintains good street manners
    • Good low-speed power for stock carb or multi-carb intakes
    • Designed to be used with the 1949-53-style timing cover

    Cam Application Chart (PDF)

    450-811100 Specs (Link)

  • Small Block Chevy Sportsman Roller Tip Rocker Arms, 1.5:1, 3/8 Stud
    Small Block Chevy Sportsman Roller Tip Rocker Arms, 1.5:1, 3/8 Stud
    (Part #57583501)
    x
                

    If your class or budget does not allow aluminum or stainless roller rocker arms, check out these steel roller tip rockers. Made from 4340 heat treated chromoly steel, they feature a longer slot to eliminate stud bind issues. Plus, the roller tip minimizes scrubbing (the result of the valve stem pushing hard against the valve guide), reducing friction and freeing up an additional 15 to 30 horsepower over stock rockers.

    • 4340 steel rocker body
    • Adds up to 30 HP over stock rockers
    • Excellent replacement for stock or sportsman engines
    • Eliminates noise & slop associated with worn or high mileage rockers
    • Includes polylocks and grooved balls
  • Flathead Ford V8 Stainless Steel Valves, Exhaust
    Flathead Ford V8 Stainless Steel Valves, Exhaust
    (Part #91015312)
    x
                

    These flathead Ford V8 stainless steel valves are made of hi-grade 4N stainless. Each valve is 0.060 oversize and has an optimized seat angle and boasts a full machine finish, all of which combine to improve airflow and increase horsepower. The intake has a 30° seat and the exhaust has a 45° seat.

    Fits 1932-1953 engines.

    Flathead Valve Assembly (Link)

  • Flathead Ford V8 Stainless Steel Valves, Intake
    Flathead Ford V8 Stainless Steel Valves, Intake
    (Part #91015311)
    x
                

    These flathead Ford V8 stainless steel valves are made of hi-grade 4N stainless. Each valve is 0.060 oversize and has an optimized seat angle and boasts a full machine finish, all of which combine to improve airflow and increase horsepower. The intake has a 30° seat and the exhaust has a 45° seat.

    Fits 1932-1953 engines.

    Flathead Valve Assembly (Link)

  • Manley 42446-16 Pro Series Valve Spring Locators, Set of 16
    New
    Manley 42446-16 Pro Series Valve Spring Locators, Set of 16
    (Part #50542446)
    x
                

    These Pro-Series valve spring locators are 8620 material heat treated and feature an excellent black oxide finish. They are CNC machined to tolerances of +/- .002".

    • Set of 16
    • 1.4" spring outside diameter
    • 1.410" locator O.D.
    • .567" locator I.D. 
    • .062" locator thickness
    • .163" wall shoulder height
    • .690" shoulder diameter

Filter

"Classic Truck, Camshaft and Valvetrain" Page 1 of 22

Page 1 of 22

  • Speedway Flathead Ford Adjustable Lifters
    Speedway Flathead Ford Adjustable Lifters
    (Part #450F8502)
    x
                

    Upgrading your Flathead's valve train is the surest way to maintain performance and keep that old Ford V8 happy on modern fuel. Our adjustable lifters are the preferred way to maintain critical valve train tolerances while avoiding the hassle of grinding your valve seats for clearance. Simply set your valve lash using the adjustable set screw. These lifters will work with stock or performance camshafts, and are made in the USA.

    Fits 1932-53 Ford and Mercury Flathead V8s.

    • Self locking, adjustable set screw maintains critical valve lash
    • Works with stock or performance camshafts
    • High quality, precision manufactured
    • A must for today's Flathead engines

     

  • COMP Cams 41-602-7 Big Mutha Thumpr Cam, 1949-53 Flathead Ford
    COMP Cams 41-602-7 Big Mutha Thumpr Cam, 1949-53 Flathead Ford
    (Part #282416027)
    x
                

    These COMPomp Cams Thumpr cams will make your flathead wake up and sound nasty. They feature a long exhaust duration and other grind characteristics produce a powerful, hard-hitting exhaust note. For 1949-1953 Ford 8BA and 8CM Mercury flathead V8 engines. Lifters sold separately.

    Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers. Very rough idle.

    Thumpr Cam Spec Chart (GIF)

  • COMP Cams 12-600-4 Thumpr Cam, Small Block Chevy, 2000-5800 RPM
    COMP Cams 12-600-4 Thumpr Cam, Small Block Chevy, 2000-5800 RPM
    (Part #282126004)
    x
                

    Have you ever been to the races and heard how nasty the cams sound? COMP Cams has developed the Thumpr series of cams that give you every day drivability, but have that nasty race engine sound. Pick the cam that fits your application, add a set of Comp Cams hydraulic lifters and you will be the talk of the town.

    High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.

    Thumpr Application Chart (GIF)

    282-126004 Specs (PDF)

  • Trans-Dapt 4961 B/B Chevy Chrome Timing Tab for 8 Inch Balancer
    Trans-Dapt 4961 B/B Chevy Chrome Timing Tab for 8 Inch Balancer
    (Part #5504599)
    x
                These Trans-Dapt chrome finished steel timing tabs fit 1965-1990 Big Block Chevy 396-454 with 8" balancer.
            
  • COMP Cams CL12-211-2 S/B Chevy Magnum Cam & Lifter Kit, 1800-5800 RPM
    COMP Cams CL12-211-2 S/B Chevy Magnum Cam & Lifter Kit, 1800-5800 RPM
    (Part #282122112)
    x
                

    These COMP Cams camshaft and lifter kits are just the ticket whether it's for a daily driver or hot street machine. These "CL" kits include new camshaft, new hydraulic lifters and camshaft lube.

    High performance. Biggest cam with stock converter. Use lower gears. Mild rough idle.

    Application Chart (GIF)

    282-122112 Specs (PDF)

  • Rocker Arm Balls for 7/16 Inch Stud
    Rocker Arm Balls for 7/16 Inch Stud
    (Part #57583530)
    x
                Replacement rocker arm pivot balls with oil slots. Comes in a set of 16 for use with 7/16" rocker arm studs.
            
  • COMP Cams 48-601-5 Mutha Thumpr Cam, Chevy 348/409, 2200-6100 RPM
    COMP Cams 48-601-5 Mutha Thumpr Cam, Chevy 348/409, 2200-6100 RPM
    (Part #282486015)
    x
                

    These COMP Cams Thumpr cams will make your 1958-1965 Chevy 348 or 409 wake up and sound nasty. Thumpr cams have a long exhaust duration and other grind characteristics to produce a powerful, hard-hitting exhaust note. Lifters sold separately.

    High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers. Rough idle.

    Thumpr Cam Spec Chart (GIF)

  • COMP Cams 19044-16 Ultra-Gold ARC Series Rocker Arms, Ford 7/16-1.6
    COMP Cams 19044-16 Ultra-Gold ARC Series Rocker Arms, Ford 7/16-1.6
    (Part #28219044)
    x
                Please view the product's page for more information
            
  • Speedway Small Block Ford Roller Rocker Arms, 1.6:1, 3/8 Stud
    Speedway Small Block Ford Roller Rocker Arms, 1.6:1, 3/8 Stud
    (Part #91511772)
    x
                

    These 302/351W Small Block Ford aluminum rocker arms are 100% CNC machined from the finest materials.

    Needle bearing fulcrum, centerless ground trunion and heat treated to the proper rating.

    Polylocks are included.

  • COMP Cams 750-16 Steel Valve Spring Retainers, 1.250 Inch OD, Set/16
    COMP Cams 750-16 Steel Valve Spring Retainers, 1.250 Inch OD, Set/16
    (Part #28275016)
    x
                Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs. COMP Cams® Steel Retainers are the perfect solution to this problem. COMP ® engineers used 3D CAD with FEA to design retainers with a modern and advanced contoured top profiling for lower stress, increased lift and a reduction in mass. The retainers are CNC-machined to exact tolerances using CAD/CAM software. All COMP ® retainers use only high-grade SAE 4140 chromemoly steel with no lead, <0.04% sulfur and a black oxide finish to prevent corrosion. COMP Cams ® Steel Valve Spring Retainers offer both unmatched looks and superior performance that set the industry standard. 
    • Includes 16 Retainers
    • Super Lock™ Retainers
    • 10° Lock Angle - All Valve Stem Sizes - 1.250" Spring Diameter
    • 1.250 in. Outside Diameter
    • .735 in. Inside Diameter

     

  • COMP Cams 1631-16 Ultra Pro Magnum    Roller Rocker Arms, Ford 3/8 - 1.6
    COMP Cams 1631-16 Ultra Pro Magnum Roller Rocker Arms, Ford 3/8 - 1.6
    (Part #2821631)
    x
                Please view the product's page for more information
            
  • COMP Cams 741-16 Steel Retainers, 1.55 Inch, 10 Degree
    COMP Cams 741-16 Steel Retainers, 1.55 Inch, 10 Degree
    (Part #28274116)
    x
                

    Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs. COMP Cams® Steel Retainers are the perfect solution to this problem. COMP® engineers used 3D CAD with FEA to design retainers with a modern and advanced contoured top profiling for lower stress, increased lift and a reduction in mass. The retainers are CNC-machined to exact tolerances using CAD/CAM software. All COMP® retainers use only high-grade SAE 4140 chromemoly steel with no lead, <0.04% sulfur and a black oxide finish to prevent corrosion. COMP Cams® Steel Valve Spring Retainers offer both unmatched looks and superior performance that set the industry standard.

    • Includes 16 Retainers
    • Super Lock™ Retainers
    • 10° Lock Angle - All Valve Stem Sizes - 1.500" -1.550" Spring Diameter
  • Blumax Small Block Chevy Aluminum Roller Rocker Arms, 1.5:1, 7/16 Stud
    Blumax Small Block Chevy Aluminum Roller Rocker Arms, 1.5:1, 7/16 Stud
    (Part #57533509)
    x
                

    BluMax aluminum roller rockers are built of the finest 6061 aluminum extrusions which gives you superior strength over other rockers. Rockers are specially machined to allow for larger 1.55" springs and retainers with full-cage friction reducing needle bearings for added durability. The nose rollers and shafts are Cr40 steel, heat-treated and hardened to minimize the wear that naturally occurs between the roller tip and the valve stem.

    • Designed to meet the demands of most high-lift roller camshaft profiles
    • Specially machined to accommodate larger valve springs and retainers
    • SAE-52100 Full complement precision needle and cage roller bearings
    • Anodized for a superior finish and to reduce operating temperatures
    • CNC machined pushrod cups and heat-treated Cr40 roller tips
    • Internal oiling system for long lasting performance
    • H.D. Polylocks included

     

  • Extra Long Slot Small Block Chevy Steel Rocker Arms, 1.6:1
    Extra Long Slot Small Block Chevy Steel Rocker Arms, 1.6:1
    (Part #28711802)
    x
                Extra long slot steel rocker arms for small block Chevy with high lift aftermarket camshaft. Higher 1.6:1 ratio provides more valve lift than stock 1.5:1 ratio arms. Balls and nuts not included. Set of 16.
            
  • 1932-1953 Flathead Ford V8 Single Valve Springs
    1932-1953 Flathead Ford V8 Single Valve Springs
    (Part #450185G)
    x
                

    Our complete line of valve train parts to help your flathead Ford V8 run on unleaded fuel. These heavy duty single valve springs are made from top-quality chrome silicon steel and are designed to work with stock 1932-1953 Ford retainers. 

    • Recommended for most street performance 1932-53 Ford/Mercury Flathead V8s
    • Chrome silicon material delivers reliable performance
    • Proper seat pressure for most street and street/strip Flathead cams
    • Installed Height:  2.00"
    • Seat Pressure:  85 lbs @ 2.00" installed height

    Note: "Full Race" cams should be paired with our 450-4005 dual valve springs.

    Flathead Valve Assembly (Link)

     

  • Edelbrock 2215 LS1 Performer RPM Hydraulic Roller Cam, 1500-6500 RPM
    Edelbrock 2215 LS1 Performer RPM Hydraulic Roller Cam, 1500-6500 RPM
    (Part #3252215)
    x
                

    Edelbrock LS1 camshaft for 1997 and up Corvettes and 1998-2002 Camaro/Firebird LS1/LS6 based engines. This cam features more aggressive profiles than conventional cams without excessive valve overlap. Intended for use with OEM or Edelbrock hydraulic roller tappets. Dyno testing has resulted in 25HP gain over stock!

    Note: This camshaft is designed to be used in engine swap applications using a CARBURETOR ONLY. It is not intended to be used in factory EFI-equipped LS1 vehicles.

    325-2215 Instructions (PDF)

  • Flathead Lifter Wrench
    $14.99
    Product Rating: 4.25 Stars
    Flathead Lifter Wrench
    (Part #4508502-2)
    x
                

    Use this handy wrench to set your flathead's adjustable lifters.  For use with our 450-F8502 lifters.

  • COMP Cams 4512-16 Hi-Tech Race Rocker Studs, Big Block Chevy
    COMP Cams 4512-16 Hi-Tech Race Rocker Studs, Big Block Chevy
    (Part #282451216)
    x
                

    COMP Cams® takes pride in having the finest rocker arm studs available on the market. The High Energy™ and Magnum series studs work well in applications with moderate lifts and spring pressures and are available in the popular 3/8” and 7/16” sizes. When ultimate strength is required as with high rpm roller cam applications, the Hi-Tech™ Race Stud is the answer. This stud has a thin jam nut for rocker clearance, rolled threads for maximum contact and a ground-flat top so accurate valve adjustment can be achieved and maintained. The diameter of the jam nut is larger in order to spread the load over a larger area. All COMP Cams® studs have generous radii and a black oxide finish.

    • Set of 16
    • 7/16  Inch Diameter
    • Designed for ultimate strength and locking force
    • High Energy™ and Magnum polylocks are best for moderate lift and spring pressure applications
    • Hi-Tech™ Polylocks work well in all high end race applications
    • The stud girdle polylocks are precision ground for minimum runout and tapered for extra strength in the locking area
  • Manley Chevy 4130 Chromoly Pushrods, .250 Longer, 8.044 Inch
    Manley Chevy 4130 Chromoly Pushrods, .250 Longer, 8.044 Inch
    (Part #50525793)
    x
                

    Manley one-piece 4130 chromoly pushrods are rated to 128,000 psi. Features swedged end, .080" wall, and 5/16" diameter.

    • Heat treated
    • Black oxide finish  
    • For hydraulic or solid flat tappet cam engines with less than 400 lbs. open spring pressure and under 7500 rpm
    • Set of 16

    Pushrod Application Chart (GIF)

  • Chevy Front Timing Cover Chrome Bolt Kit
    Chevy Front Timing Cover Chrome Bolt Kit
    (Part #91303802)
    x
                Chevy front timing cover chrome bolt kit. 
            
Goto Previous PagePrevious Page
1 2 3 4 5 ... 22