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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-11-564-4
Nitrous HP Hydraulic Flat Tappet Camshaft Chevy Big Block 396-454ci 1965-96 Lift: .551"/.568"
$30995
Ships on 09/15/2026
Lowest Price GuaranteeChevy Big Block 396-454ci 1965-96
- Nitrous HP Hydraulic Flat Tappet Camshaft
- Lift: .551"/.568"
- Duration: 274°/292°
- Lobe Separation Angle: 113°
- RPM Range: 2000-6500
High performance street with 100-150 nitrous kit or small blower. Needs 2500 stall.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
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Chevy Big Block 396-454ci 1965-96
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
Weight10.6 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)244
Cam StyleHydraulic flat tappet
Grind NumberCB NX 274H-13
Exh. Duration Advertised (Deg)292
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.553
Int. Duration @ .050 In. (Deg)230
Basic Operating Rpm Range2,000-6,500
Intake Valve Lift0.551 in (13.995 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)274
Lobe Separation (Deg)113
Rpm Range2000-6500
Advertised Duration274 int./292 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.568
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.553 int./0.568 exh.
QuantitySold individually
Exhaust Valve Lift0.568 in (14.427 mm)
Advertised Intake Duration274
Intake Duration At 050 Inch Lift230
Exhaust Duration At 050 Inch Lift244
Advertised Exhaust Duration292
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift230 int./244 exh.
Valve Springs RequiredYes
Vendor Part Number11-564-4
Package Qty1
Package TypeEA
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