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Product Discontinued
COMP CAMSPART NUMBER: 249-11-727-9
Drag Race Mechanical Roller Camshaft Lift .800"/.748" Duration 312/319 RPM Range 5200-8000
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Chevy 396-454ci Big Block 1965-96
- Drag Race Mechanical Roller Camshaft
Lift .800"/.748"
Duration 312/319
RPM Range 5200-8000
Mechanical Roller-550-600 c.i. engines. Pro Street. Pontiac heads, works with nitrous.
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
550-600c.i. engines. Pro Street. Pontiac heads, works with nitrous.
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 Height3.1
Package Width3.6
Package Length24.3
Weight10.4 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)302
Cam StyleMechanical roller tappet
Grind NumberCB 324D-R12
Exh. Duration Advertised (Deg)340-3
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.8
Int. Duration @ .050 In. (Deg)286
Basic Operating Rpm Range5,200-8,000
Intake Valve Lash0.028 in (0.711 mm)
Intake Valve Lift0.8 in (20.32 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)324-6
Lobe Separation (Deg)112
Rpm Range5200-8500
Advertised Duration324 int./340 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.748
UsageStrip
Valve Lift With Factory Rocker Arm Ratio0.800 int./0.748 exh.
QuantitySold individually
Exhaust Valve Lash0.03 in (0.762 mm)
Exhaust Valve Lift0.748 in (18.999 mm)
Advertised Intake Duration324
Intake Duration At 050 Inch Lift286
Exhaust Duration At 050 Inch Lift302
Advertised Exhaust Duration340
Lifter TypeMechanical Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift286 int./302 exh.
Valve Springs RequiredYes
Vendor Part Number11-727-9
Package Qty1
Package TypeEA
No Questions
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