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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-11-312-4
Specialty Hydraulic Flat Tappet Camshafts Lift .537"/.537" Duration 276/284 Lobe Angle 112°
$18299
Ships on 09/15/2026
Lowest Price GuaranteeChevrolet Hydraulic Flat Tappet 396-454 V8 1965-1996 W/ 1.7 Rockers
- Specialty Hydraulic Flat Tappet Camshafts
Lift .537"/.537"
Duration 276/284
Lobe Angle 112°
These specialty cams from COMP Cams are available in many applications and camshaft types. No matter what setup you're running, whether you race, cruise, or pull, COMP Cams has a cam for you.
396; 402; 427; 454; 496; 502; 572; 632; Chevrolet; BBC; Big Block Chevy; Big Block Chevrolet; Chevelle; Corvette; Mark IV; GEN 4; Monte Carlo; Caprice; Sprint; Nova; Camaro; Firebird; L78; Z16; L37; L34; L35; L37; L66; LS3; L34; L35; L37; L66; COPO; ZL1; C10; K10
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 Width3.0
Package Length24.5
Weight10.49 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)236
Cam StyleHydraulic flat tappet
Grind NumberCB 276AH-12
Exh. Duration Advertised (Deg)284-3
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.537
Int. Duration @ .050 In. (Deg)228
Intake Valve Lift0.537 in (13.64 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)276-3
Lobe Separation (Deg)112
Rpm Range1800-6000
Advertised Duration276 int./284 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.537
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.537 int./0.537 exh.
Camshaft Gear Attachment3-bolt
QuantitySold individually
Exhaust Valve Lift0.537 in (13.64 mm)
Advertised Intake Duration276
Intake Duration At 050 Inch Lift228
Exhaust Duration At 050 Inch Lift236
Advertised Exhaust Duration284
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift228 int./236 exh.
Valve Springs RequiredYes
Vendor Part Number11-312-4
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
