Xtreme Energy Mechanical Roller Camshaft Small Kit Small Block Chevy 1955-98 Lift: .576"/.582"
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COMP CAMSPART NUMBER: 249-SK12-772-8

Xtreme Energy Mechanical Roller Camshaft Small Kit Small Block Chevy 1955-98 Lift: .576"/.582"

$1,29295
ShippingShips on 10/22/2026
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Chevy 262-400ci Small Block 1955-98
    Xtreme Energy Mechanical Roller Camshaft Small Kit
    Small Block Chevy 1955-98
  • Lift: .576"/.582"
  • Duration: 286°/292°
  • Lobe Separation Angle: 110°
  • RPM Range: 3000-7000

    *Note: In order to use these camshafts in 1955-57 265ci blocks, it is necessary to machine a small groove in the rear main journal of the cam to allow oil flow to the top of the engine.

    **Note: Requires thrust button & wear plate.

    Good in weekend warrior with 3000 or more stall. Needs good intake and exhaust with low gears.

    Operating Range:3000-7000 RPM
    Duration Advertised:286° Intake / 292° Exhaust
    Duration @ .050' Lift:248° Intake / 254° Exhaust
    Valve Lift w/1.5 Rockers:.576' Intake / .582' Exhaust
    Valve Setting:.016' Intake / .018' 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

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 Width10.3
Package Length25.3
Weight17.94 PG
Part CategoryPerformance Parts
UsageStreet/Performance
Intake Valve Lift0.576 in (14.63 mm)
Int. Duration Advertised (Deg)286
Exh. Duration @ .050 In. (Deg)254
Rpm Range3000-7000
Lifter TypeMechanical Roller
Exh. Duration Advertised (Deg)292
Engine Make/SizeChevy Small Block (262-400)
Int. Duration @ .050 In. (Deg)248
Exhaust Valve Lift0.582 in (14.783 mm)
Vendor Part NumberSK12-772-8
Package Qty1
Package TypeEA
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