CAM LIFTER KIT LS1 XER281HR-12
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-CL54-446-11

CAM LIFTER KIT LS1 XER281HR-12

$59595
ShippingShips on 10/16/2026
Lowest PriceLowest Price Guarantee

XFI XE-R Hydraulic Roller Camshafts
    XFI XE-R Hydraulic Roller Cam and Lifter Kit
    GM Gen III/LS1/LS2/LS6 1997-PRESENT (Three-Bolt)
  • Lift: .595''/.598''
  • Duration: 281°/283°
  • Lobe Separation Angle 112°
  • RPM Range: 2400-7200

    Xtreme Energy XE-R design for standard displacement LS6 and LS1.

    Operating Range:2400-7200 RPM
    Duration Advertised:281° Intake / 283° Exhaust
    Duration @ .050':232° Intake / 234° Exhaust
    Valve Lift w/1.7 Rockers:.595' Intake / .598' Exhaust
    Lobe Separation Angle:112°

    GM, 4.8, 5.3, 5.7, 6.0, 6.2, 7.0, LS1, LS2, LS3, LS4, LS6, LS7, LSA, LS9, Camaro, Silverado, LS Swap, 383, 350, SBC, Chevelle, Yukon, L92, LM7, 325, GMC, Trailblazer, Corvette, GM LS, GEN III, GEN 3, GEN IV, GEN 4, DOD, AFM, VVT, BTR, Texas Speed


    Xtreme Energy XE-R design for standard displacement LS6 and LS1.

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 Height3.0
Package Width6.0
Package Length25.0
Weight12.36 PG
Part CategoryPerformance Parts
UsageStreet/Performance
Intake Valve Lift0.595 in (15.113 mm)
Int. Duration Advertised (Deg)281
Exh. Duration @ .050 In. (Deg)234
Rpm Range2400-7200
Lifter TypeHydraulic Roller
Exh. Duration Advertised (Deg)283
Engine Make/SizeChevy Small Block (262-400)
Int. Duration @ .050 In. (Deg)232
Exhaust Valve Lift0.598 in (15.189 mm)
Vendor Part NumberCL54-446-11
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations
p65 warning
Your Cart

Your shopping cart is empty!