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COMP CAMSPART NUMBER: 249-11-748-14
Drag Race Mechanical Roller Camshaft 4/7 Swap Firing Order Lift .714"/.680" Duration 312/319 RPM Range 4800-7400
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 4&7 Swap Firing Order
- Drag Race Mechanical Roller Camshaft
4/7 Swap Firing Order
Lift .714"/.680"
Duration 312/319
RPM Range 4800-7400
Mechanical Roller-Good Bracket, good heads 12:1 comp. 4500-5000 stall.
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
Good bracket, good heads, 11:1+ compression, 4500-5000 stall.
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 Height2.8
Package Width2.9
Package Length24.3
Weight10.55 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)282
Cam StyleMechanical roller tappet
Grind Number47S 312-R10
Exh. Duration Advertised (Deg)319
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.714
Int. Duration @ .050 In. (Deg)278
Basic Operating Rpm Range4,800-7,400
Intake Valve Lash0.024 in (0.61 mm)
Intake Valve Lift0.714 in (18.136 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)312
Lobe Separation (Deg)110
Rpm Range4800-7400
Advertised Duration312 int./319 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.68
UsageStrip
Valve Lift With Factory Rocker Arm Ratio0.714 int./0.680 exh.
QuantitySold individually
Exhaust Valve Lash0.026 in (0.66 mm)
Exhaust Valve Lift0.68 in (17.272 mm)
Advertised Intake Duration312
Intake Duration At 050 Inch Lift278
Exhaust Duration At 050 Inch Lift282
Advertised Exhaust Duration319
Lifter TypeMechanical Roller
Duration At 050 Inch Lift278 int./282 exh.
Valve Springs RequiredYes
Vendor Part Number11-748-14
Package Qty1
Package TypeEA
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