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Comp Cams Blower/Turbo Mechanical Flat Tappet Camshafts
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-12-405-5

Comp Cams Blower/Turbo Mechanical Flat Tappet Camshafts

$32595
ShippingShips on 09/09/2026
Lowest PriceLowest Price Guarantee

Small Block Chevy 262-400ci 1955-98
    Blower and Turbo Mechanical Flat Camshaft
    Chevy Small Block 262-400ci 1955-98
    Lift: .540"/.563"
    Duration: 290°/300°
    Lobe Separation Angle: 114°
    RPM Range: 3000-6500

    Mild Bracket and Hot Street with small blower or 471 blower.

    265, 283, 307, 302, 305, 327, 350, 383, 400, 427, L46, L48, L65, LM1, LT-1, L82, L81, LS9, L83, L98, L05, LG3, LG4, LT1, LT4, Camaro, Corvette, Chevelle, Stingray, Silverado, C10, Firebird, Chevrolet, Chevy, Small Block Chevy, Caprice, Malibu, Impala, Nova, 355, GEN1, Monte Carlo, S10


    Mild bracket and hot street with small blower or 471 blower.

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

    These blower and turbo camshafts from Comp Cams are available in a variety of grinds. They work with your blower or turbo to help provide the most power possible.

    Camshaft & Lifter Kits are indicated by a CL in their part number and include Camshaft, Lifters, Assembly Lube, Decals, and Instructions.

    Complete Kits are indicated by a K in their part number and include Camshaft, Lifters, Timing Chain & Gears, Valve Springs, Retainers, Locks, Assembly Lube, Decals, and Instructions.

    Small Kits are indicated by a SK in their part number and include Camshaft, Lifters, Timing Chain Set, Assembly Lube, Decals, and Instructions.

Part TypeCamshaft
Product LineComp Cams Blower/Turbo Mechanical Flat Tappet Camshafts
BrandCOMP CAMS
Package Height4.3
Package Width6.3
Package Length25.6
Weight8.74 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)265
Cam StyleMechanical flat tappet
Grind NumberCS 290AS-14
Exh. Duration Advertised (Deg)300-1
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.54
Int. Duration @ .050 In. (Deg)255
Basic Operating Rpm Range3,000-6,500
Intake Valve Lash0.026 in (0.66 mm)
Intake Valve Lift0.563 in (14.3 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)290-1
Lobe Separation (Deg)114
Rpm Range3000-6500
Advertised Duration290 int./300 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.563
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.540 int./0.563 exh.
QuantitySold individually
Exhaust Valve Lash0.028 in (0.711 mm)
Exhaust Valve Lift0.563 in (14.3 mm)
Advertised Intake Duration290
Intake Duration At 050 Inch Lift255
Exhaust Duration At 050 Inch Lift265
Advertised Exhaust Duration300
Lifter TypeMechanical Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift255 int./265 exh.
Valve Springs RequiredYes
Vendor Part Number12-405-5
Package Qty1
Package TypeEA
No Questions
No Reviews

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