Track OrderOrder Status & ReturnsHelpGift CardsHelpHelp CenterPhone1-800-345-4545
Logo
Cart0
$000
Comp Cams Blower/Turbo Mechanical Flat Tappet Camshafts
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-K11-405-5

Comp Cams Blower/Turbo Mechanical Flat Tappet Camshafts

$77495
ShippingShips on 12/18/2026
Lowest PriceLowest Price Guarantee

Items You Need

159 Engine Break-In Oil Additive [12-Ounce]

COMP CAMS

159 Engine Break-In Oil Additive [12-Ounce]

Part Number : 249-159
$2395
Precision Cam Degree Wheel Kit [11 in.]

JEGS

Precision Cam Degree Wheel Kit [11 in.]

Part Number : 555-81621
$14999$161.99
You Save$12.00
Valve Spring Compressor [Stud Mount]

JEGS

Valve Spring Compressor [Stud Mount]

Part Number : 555-80518
$919$9.99
You Save$0.80
Engine Assembly Lube [4 oz. Bottle]

JEGS

Engine Assembly Lube [4 oz. Bottle]

Part Number : 555-28000
$599$6.99
You Save$1.00

Big Block Chevy 396-454ci 1965-96
    Blower and Turbo Mechanical Flat Camshaft Complete Kit
    Chevy Big Block 262-400ci 1955-98
    Lift: .612"/.605"
    Duration: 290°/304°
    Lobe Separation Angle: 114°
    RPM Range: 3500-7000

  • 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.

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 Kit
Product LineComp Cams Blower/Turbo Mechanical Flat Tappet Camshafts
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
Some parts are not legal for use in California or other states with similar laws / regulations
p65 warning