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Cylinder Heads

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Cylinder Heads
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Shop Cylinder Heads At Speedway Motors

When it comes to the amount of power your engine can produce, the cylinder heads are a major component. Cylinder heads flows fuel/air in and exhaust gases out, so needless to say, it's important in building horsepower and torque. As with most engine components, bigger isn't always better and selecting the right heads is crucial to making big time horsepower. Trust the pros at Speedway Motors to not only help you select the right cylinder heads for your application, but also to get the best prices around.

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
    $369.99
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    You don't sacrifice quality for a low price - get both with a Flo-Tek aluminum cylinder head. This Chevy aluminum head is loaded with high end features like bronze valve guides, multi angle valve job, and 3/8" screw-in rocker studs with guideplates. This is a pre-1986 design small block Chevy cylinder head with a standard exhaust port design. Heads are sold each.

    • Head is sold individually
    • 180cc intake runners
    • 62cc exhaust runners
    • 64cc combustion chambers
    • 2.02" and 1.60" stainless steel valves
    • High performance springs for .550" lift
    • Compatible with most flat tappet camshafts
    • Five angle valve job
    • Bronze guides
    • Straight plug
    • 3/8" screw-in studs and guide plates
    • Port for temperature probe
    • Works well with most flat tappet street cams

    Flow Numbers:

    • Valve Lift     .400"     .500"     .600"
    • Intake           206       237       244   
    • Exhaust        165       177       187
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    $1,024.95 $695.99
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                Direct bolt-on heads for AMC 343, 360, 390, and 401 Stock and Super Stock racers. No port profiling or bowl blending of ports. 
    • Out-of-the-Box Bolt-On Performance
    • Hand-Blended Intake and Exhaust Bowls
    • CNC-Matched Intake/Exhaust Ports in Std Location
    • Thicker Deck Surfaces than Other Brands
    • 54cc Dual-Quench Combustion Chamber
    • Offers Improved Mid To High Lift Flow

    Installation Instructions (PDF)

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  • Product Rating: 4.50 Stars
    $369.99
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    You don't need to spend a fortune to get a top-performing, lightweight aluminum cylinder head for your small-block Ford V8. This Flo-Tek head has a long list of high-end features, minus the hefty price tag.

    • Head is sold individually
    • 180cc intake runners
    • 62cc exhaust runners
    • 1.94" intake and 1.54" swirl-polished exhaust valves
    • 58cc chambers
    • Performance valve springs (.550 lift)
    • 115 lbs. spring seat pressure
    • Compatible with most flat tappet camshafts
    • Hardened locks and retainers
    • PC seals
    • High-temp exhaust seats
    • Multi angle valve job
    • Bronze guides
    • 3/8" rocker studs and guide plates

    See how this Flo-Tek head stacks up against the competition in Car Craft Magazine's tech article; 6 Small Block Ford Cylinder Heads That Work.

    Head Flow Specs:

    Lift        Intake        Exhaust
    .400      209          137
    .500      223          161
    .600      248          191

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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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    $1,595.95 $1,219.99
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                These assembled Performer RPM 454-O High-Compression cylinder heads from Edelbrock are designed for use with Big Block Chevy engines.  They feature unique oval intake ports that flow like rectangular ports but with a smaller size to provide exceptional throttle response.  Ideal for high-compression applications, these heads feature a 100cc chamber volume and come with ports profiled to increase air flow in a lightweight design.
    • Aluminum, Assembled
    • 100cc Chamber, 295cc Intake
    • Chevy Big Block

    Installation Instructions (PDF)

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    Product Rating: 2.00 Stars
    $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: 5.00 Stars
    $369.99
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    You don't sacrifice quality for a low price - get both with a Flo-Tek aluminum cylinder head. This Chevy aluminum head is loaded with high end features like bronze valve guides, Multi angle valve job, and 3/8" screw-in rocker studs with guideplates. These are a pre-1986 design small block Chevy cylinder head.

     


    • Head is sold individually
    • 180cc intake runners
    • 62cc exhaust runners
    • 64cc combustion chambers
    • 2.02" and 1.60" stainless steel valves
    • High performance springs for .550" lift
    • Compatible with most flat tappet camshafts
    • Multi angle valve job
    • Bronze guides
    • 3/8" screw-in studs and guide plates
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