Drag Race Mechanical Roller Camshaft Lift .726"/.714" Duration 322/330 RPM Range 5000-7800
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-11-718-9

Drag Race Mechanical Roller Camshaft Lift .726"/.714" Duration 322/330 RPM Range 5000-7800

$55895
2 left in stock
ShippingShips on Sep 14, 2026
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Chevy 396-454ci Big Block 1965-96
    Drag Race Mechanical Roller Camshaft
    Lift .726"/.714"
    Duration 322/330
    RPM Range 5000-7800

    *Note: In order to use these camshafts in 1965-66 396/427ci blocks, it is necessary to machine a 3/16' wide x 7/64' deep groove in the rear main journal of the cam to allow oil flow to the top of the engine.

    ** Note: Requires upgraded gear, thrust button & wear plate.

    Super Comp / Super Gas, 454ci or larger, 5000 stall converter or 4-speed manual.

    Operating Range:5000-7800 RPM
    Duration Advertised:322° Intake / 330° Exhaust
    Duration @ .050' Lift:284° Intake / 294° Exhaust
    Valve Lift w/1.7 Rockers:.726' Intake / .714' Exhaust
    Valve Setting:.028' Intake / .030' Exhaust
    Lobe Separation Angle:110°

    Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572


    Super Gas/Super Comp. 5000+ stall or 4 speed, 454+c.i.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Part TypeCamshaft
BrandCOMP CAMS
Package Height2.75
Package Width2.87
Package Length24.5
Weight10.8 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)294
Cam StyleMechanical roller tappet
Grind NumberCB 322A-R10
Exh. Duration Advertised (Deg)330-1
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.726
Int. Duration @ .050 In. (Deg)284
Basic Operating Rpm Range5,000-7,800
Intake Valve Lash0.028 in (0.711 mm)
Intake Valve Lift0.726 in (18.44 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)322-1
Lobe Separation (Deg)110
Rpm Range5000-7800
Advertised Duration322 int./330 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.714
UsageStrip
Valve Lift With Factory Rocker Arm Ratio0.726 int./0.714 exh.
QuantitySold individually
Exhaust Valve Lash0.03 in (0.762 mm)
Exhaust Valve Lift0.714 in (18.136 mm)
Advertised Intake Duration322
Intake Duration At 050 Inch Lift284
Exhaust Duration At 050 Inch Lift294
Advertised Exhaust Duration330
Lifter TypeMechanical Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift284 int./294 exh.
Valve Springs RequiredYes
Vendor Part Number11-718-9
Package Qty1
Package TypeEA
No Questions
No Reviews

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