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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-11-755-14
Drag Race Mechanical Roller Camshaft 4/7 Swap Firing Order Lift .878"/.867" Duration 322/360 RPM Range 4800-8500
$54695
Ships on 09/16/2026
Lowest Price GuaranteeChevy 396-454ci Big Block 1965-96 4&7 Swap Firing Order
- Drag Race Mechanical Roller Camshaft
4/7 Swap Firing Order
Lift .878"/.867"
Duration 322/360
RPM Range 4800-8500
Mechanical Roller-Pro Mod & Mountain motor applications
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
Pro Mod and Mountain motor applications.
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 Length24.2
Weight9.75 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)320
Cam StyleMechanical roller tappet
Grind Number47s 322PMR-18
Exh. Duration Advertised (Deg)360
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.878
Int. Duration @ .050 In. (Deg)292
Basic Operating Rpm Range4,800-8,500
Intake Valve Lash0.024 in (0.61 mm)
Intake Valve Lift0.878 in (22.301 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)322
Lobe Separation (Deg)118
Rpm Range4800-8500
Advertised Duration322 int./360 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.867
UsageStrip
Valve Lift With Factory Rocker Arm Ratio0.878 int./0.867 exh.
QuantitySold individually
Exhaust Valve Lash0.026 in (0.66 mm)
Exhaust Valve Lift0.867 in (22.022 mm)
Advertised Intake Duration322
Intake Duration At 050 Inch Lift292
Exhaust Duration At 050 Inch Lift320
Advertised Exhaust Duration360
Lifter TypeMechanical Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift292 int./320 exh.
Valve Springs RequiredYes
Vendor Part Number11-755-14
Package Qty1
Package TypeEA
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