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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-11-733-9
Drag Race Mechanical Roller Camshafts Lift .806"/.758" Duration 322/339 RPM Range 5600-8000
$50595
Ships on 09/16/2026
Lowest Price GuaranteeChevy 396-454ci Big Block 1965-96
- Drag Race Mechanical Roller Camshafts
Lift .806"/.758"
Duration 322/339
RPM Range 5600-8000
Mechanical Roller-Bracket 500 + cu in carbs Auto or Manual
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
Bracket 500+c.i., tunnel cam, 5500+ stall or manual.
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 Height2.9
Package Width2.9
Package Length24.3
Weight10.15 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)298
Cam StyleMechanical roller tappet
Grind Number322A-R12
Exh. Duration Advertised (Deg)339
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.806
Int. Duration @ .050 In. (Deg)282
Basic Operating Rpm Range5,600-8,000
Intake Valve Lash0.024 in (0.61 mm)
Intake Valve Lift0.806 in (20.472 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)322
Lobe Separation (Deg)112
Rpm Range5600-8000
Advertised Duration322 int./339 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.758
UsageStrip
Valve Lift With Factory Rocker Arm Ratio0.806 int./0.758 exh.
Camshaft Gear Attachment3-bolt
QuantitySold individually
Exhaust Valve Lash0.028 in (0.711 mm)
Exhaust Valve Lift0.758 in (19.253 mm)
Advertised Intake Duration322
Intake Duration At 050 Inch Lift282
Exhaust Duration At 050 Inch Lift298
Advertised Exhaust Duration339
Lifter TypeMechanical Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift282 int./298 exh.
Valve Springs RequiredYes
Vendor Part Number11-733-9
Package Qty1
Package TypeEA
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