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Oval Track

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Oval Track
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Shop Oval Track Engines At Speedway Motors

Speedway Motors is the circle track engine authority! Whether you have a Ford or Chevy race motor, Speedway has the engine parts you need at the best prices around. Our large assortment of iron cylinder heads, performance camshafts and racing valve train components allows you to tailor your engine to any racing condition. Speedway also has a variety of durable claimer engine kits, oil pumps and oil pans to help keep costs down without sacrificing performance or reliability.

Oval Track, Cylinder Heads

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                This head is engraved and serial numbered by  Engine Quest for IMCA's Sport Mods, Stock Cars, and Hobby Stocks. Now  approved for WISSOTA Midwest Mods and Street Stocks.

    Assembled heads will include the following:
    • 3/8" screw in studs # 915-99156
    • 76 cc combustion chamber
    • 176-178 cc intake runners
    • Straight plug
    • 1.94/1.50 intake/exhaust valves #910-14140-1 & 910-14145-1
    • Available bare or assembled and blue printed
    • Heavy duty valves
    • Retainers and locks # 915-39741 & 577-555
    • 1.25" high-performance valve springs # 180-671515
    • Three angle valve job


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  • Product Rating: 4.00 Stars
    $599.99
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                These Offy flathead Ford heads are finned for high heat dissipation, bigger water capacity for "built" engines and everybody knows, nothing beats a full-dress flathead for beauty! Heads have a .400" valve relief.

    3-5/16" bore, 4" stroke = 9:1 compression ratio
    3-5/16" bore, 3 3/4" stroke = 8.6:1 compression ratio.

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    $595.99 $569.99
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    Extensive R&D and modern CAD systems give these heads more power potential and greater heat control than any before! Works well on stock or modified engines. For 1949-1953 Ford 8BA and 8CM Mercury V8 engines (24-stud).

    • The original Edelbrock design
    • Rugged, ribbed internally and externally with a large water capacity
    • Cast at the Edelbrock Foundry in the USA of T-6 tempered A356 aluminum
    • Excellent breathing characteristics
    • 8:1 compression with stock bore & stroke
    • C/R increase is approx 3/10 of a percent with each 1/8" stroke
    • Accepts .410" valve lift

    325-1115 Instructions (PDF)

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  • Product Rating: 4.50 Stars
    $599.99
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                These Offy flathead Ford heads are finned for high heat dissipation, bigger water capacity for "built" engines and everybody knows, nothing beats a full-dress flathead for beauty! Heads have a .400" valve relief.

    3-5/16" bore, 4" stroke = 9:1 compression ratio
    3-5/16" bore, 3 3/4" stroke = 8.6:1 compression ratio.

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    $569.99
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    For early Ford and Mercury Flathead 24-stud V8 engines, 1938-1948. Extensive R&D and modern CAD systems give these heads more power potential and greater heat control than any before! Work well on stock or modified engines. Has a 65cc chamber producing 8:1 compression with the stock bore & stroke.

    • The original Edelbrock design for Fords and Mercurys
    • Rugged, ribbed internally and externally, with a large water capacity and excellent breathing characteristics
    • Cast at the Edelbrock Foundry in the USA of T-6 tempered A356 aluminum
    • 8.0:1 compression ratio on blocks with a 3/16" base relief (stock bore and stroke)
    • Compression ratio increase is approximately 3/10 of a percent with each 1/8" stroke

    NOTE: These heads should accept .410 valve lift. Edelbrock has changed the spark plug configuration for these heads recently. They now recommend Champion plug 271-RC12YC or Autolite 373-3924.

    325-1125 Instructions (PDF)

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    Product Rating: 5.00 Stars
    $574.99 $569.99
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    Edelbrock now offers their 1938-1948 Ford/Mercury 24-Stud Flathead cylinder heads with the traditional block letters Vic Sr. used. Extensive R&D and modern CAD systems give these heads more power potential and greater heat control than any before! Works well on stock or modified engines.

    These heads have 65cc chambers producing 8:1 compression with the stock bore & stroke. Plus, they accept up to .410" valve lift for use with most performance cams.

    • The original Edelbrock design for Fords and Mercurys
    • Rugged, ribbed internally and externally, with a large water capacity and excellent breathing characteristics
    • Cast at the Edelbrock Foundry in the USA of T-6 tempered A356 aluminum
    • 8.0:1 compression ratio on blocks with a 3/16" base relief (stock bore and stroke)
    • Compression ratio increase is approximately 3/10 of a percent with each 1/8" stroke

    325-1126 Instructions (PDF)

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    Product Rating: 5.00 Stars
    $619.99 $599.99
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    Extensive R&D and modern CAD systems give these heads more power potential and greater heat control than any before! Works well on stock or modified engines. For 1949-1953 Ford 8BA and 8CM Mercury V8 engines (24-stud).

    • New “raised roof” combustion chamber design
    • Supports high lift cams
    • Perfect for reducing C/R in supercharger applications or on low octane fuel
    • Increased valve clearance and increased flow for more power
    • Rugged, ribbed internally and externally with a large water capacity
    • Cast at the Edelbrock Foundry in the USA of T-6 tempered A356 aluminum

    325-1116 Instructions (PDF)

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    $298.99
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    If you are running a Super Stock at a WISSOTA sanctioned track, these are the heads to use. They are the Dart #10024361.

    • 165cc intake runner
    • 67cc combustion chamber
    • 1.94" intake valve size
    • 1.50" exhaust valve size
    • Straight spark plugs
    • 1.25" spring
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