Magnum Mechanical Roller Camshaft Chevy Small Block 262-400ci 1955-98 Lift: .575"/.575"
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-12-705-8

Magnum Mechanical Roller Camshaft Chevy Small Block 262-400ci 1955-98 Lift: .575"/.575"

$57795
ShippingShips on 09/15/2026
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Chevy Small Block 262-400ci 1955-98
    Magnum Mechanical Roller Camshaft
    Chevy Small Block 262-400ci 1955-98
  • Lift: .575"/.575"
  • Duration: 300°/300°
  • Lobe Separation Angle: 110°
  • RPM Range: 3000-7000

    Note: Requires thrust button ans wear plate.
    Mechanical Roller- Excellent choice for maximum street effort, racy idle, 3500 stall with low axle ratio, 10:1 compression and headers.

    Operating Range:3000-7000 RPM
    Duration Advertised:300° Intake / 300° Exhaust
    Duration @ .050':255° Intake / 255° Exhaust
    Valve Lift w/1.5 Rockers:.575' Intake / .575' Exhaust
    Lobe Separation Angle:110°

    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


    Excellent choice for maximum street effort, racy idle, 3500+ stall with low gears, 10:1 compression and headers.

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 Height2.8
Package Width3.0
Package Length24.3
Weight8.49 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)255
Cam StyleMechanical roller tappet
Grind NumberCS 300A-R10
Exh. Duration Advertised (Deg)300
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.575
Int. Duration @ .050 In. (Deg)255
Basic Operating Rpm Range3,000-7,000
Intake Valve Lash0.02 in (0.508 mm)
Intake Valve Lift0.575 in (14.605 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)300
Lobe Separation (Deg)110
Rpm Range3000-7000
Advertised Duration300 int./300 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.575
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.575 int./0.575 exh.
QuantitySold individually
Exhaust Valve Lash0.02 in (0.508 mm)
Exhaust Valve Lift0.575 in (14.605 mm)
Advertised Intake Duration300
Intake Duration At 050 Inch Lift255
Exhaust Duration At 050 Inch Lift255
Advertised Exhaust Duration300
Lifter TypeMechanical Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift255 int./255 exh.
Valve Springs RequiredYes
Vendor Part Number12-705-8
Package Qty1
Package TypeEA
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