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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-11-704-9
Comp Cams Oval Track Camshafts
$50595
Ships on 09/09/2026
Lowest Price GuaranteeBig Block Chevrolet 396-454ci 1965-1996Mechanical Roller
- Oval Track Mechanical Roller Camshaft
Chevrolet 396-454ci 1965-1996
Lift: .714"/.714"
Duration: 300°/308°
Lobe Separation Angle: 108°
RPM Range: 3800-6800
3/8 mile - 5/8 mile high bank track. Works best in large engine.
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
MECHANICAL ROLLER - 3/8 to 5/8 mile high bank track. Works best in large engine.
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
Weight12.4 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)274
Cam StyleMechanical roller tappet
Grind NumberCB 300BR-8
Exh. Duration Advertised (Deg)308-5
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.714
Int. Duration @ .050 In. (Deg)266
Basic Operating Rpm Range3,800-6,800
Intake Valve Lash0.022 in (0.559 mm)
Intake Valve Lift0.714 in (18.136 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)300-5
Lobe Separation (Deg)108
Rpm Range3800-6800
Advertised Duration300 int./308 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.714
UsageStrip
Valve Lift With Factory Rocker Arm Ratio0.714 int./0.714 exh.
QuantitySold individually
Exhaust Valve Lash0.024 in (0.61 mm)
Exhaust Valve Lift0.714 in (18.136 mm)
Advertised Intake Duration300
Intake Duration At 050 Inch Lift266
Exhaust Duration At 050 Inch Lift274
Advertised Exhaust Duration308
Lifter TypeMechanical Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift266 int./274 exh.
Valve Springs RequiredYes
Vendor Part Number11-704-9
Package Qty1
Package TypeEA
No Questions
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