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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-K11-405-5
Comp Cams Blower/Turbo Mechanical Flat Tappet Camshafts
$77495
Ships on 10/19/2026
Lowest Price GuaranteeBig Block Chevy 396-454ci 1965-96
- Blower and Turbo Mechanical Flat Camshaft Complete Kit
- Blower And Turbo Camshaft Complete Kit
- 1 Year Limited Warranty
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 for street and mild strip use with 671 or larger blower.
Chevy Big Block 262-400ci 1955-98
Lift: .612"/.605"
Duration: 290°/304°
Lobe Separation Angle: 114°
RPM Range: 3500-7000
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 Kit
BrandCOMP CAMS
Package Height5.2
Package Width10.5
Package Length25.4
Weight25.65 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)266
Cam StyleMechanical flat tappet
Grind Number290DS-14
Exh. Duration Advertised (Deg)304
Locks IncludedYes
Engine Make/SizeChevy Big Block (396-454)
Retainers IncludedYes
Intake Valve Lift With Factory Rocker Arm Ratio (I0.612
Int. Duration @ .050 In. (Deg)255
Assembly Lubricant IncludedYes
Basic Operating Rpm Range3,500-7,000
Pushrods IncludedNo
Gaskets IncludedNo
Intake Valve Lash0.028 in (0.711 mm)
Rocker Arms IncludedNo
Intake Valve Lift0.612 in (15.545 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)290
Lobe Separation (Deg)114
Rpm Range3500-7000
Lifter StyleMechanical flat tappet
Advertised Duration290 int./304 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.605
Valve Springs IncludedYes
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.612 int./0.605 exh.
QuantitySold as a kit
Valve Stem Seals IncludedYes
Exhaust Valve Lash0.03 in (0.762 mm)
Exhaust Valve Lift0.605 in (15.367 mm)
Advertised Intake Duration290
Outside Diameter Of Outer Spring1.509 in (38.3 mm)
Intake Duration At 050 Inch Lift255
Exhaust Duration At 050 Inch Lift266
Timing Chain StyleDouble non-roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration304
Lifter TypeMechanical Flat Tappet
Duration At 050 Inch Lift255 int./266 exh.
Valve Springs RequiredNo
Lifters IncludedYes
Vendor Part NumberK11-405-5
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
