CAM LIFTER KIT LS1 XR277HR-12
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-CL54-418-11

CAM LIFTER KIT LS1 XR277HR-12

$74795
ShippingShips on Sep 07, 2026
Lowest PriceLowest Price Guarantee

XFI RPM Hydraulic Roller Camshafts
    XFI RPM Hydraulic Roller Cam and Lifter Kit
    GM Gen III/LS1/LS2/LS6 1997-PRESENT (Three-Bolt)
  • Lift: .534''/.537''
  • Duration: 277°/281°
  • Lobe Separation Angle 112°
  • RPM Range: 2000-6800

    Street/strip camshaft designed for use with FAST LSX intake. Must have programmer.

    Operating Range:2000-6800 RPM
    Duration Advertised:277° Intake / 281° Exhaust
    Duration @ .050':224° Intake / 228° Exhaust
    Valve Lift w/1.7 Rockers:.534' Intake / .537' 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


    Street/strip camshaft designed for use with FAST LSX intake. Requires programmer.

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
Exh. Duration @ .050 In. (Deg)228
Exh. Duration Advertised (Deg)281
Engine Make/SizeChevy Small Block (262-400)
Int. Duration @ .050 In. (Deg)224
Exhaust Valve Lift0.537 in (13.64 mm)
Intake Valve Lift0.534 in (13.564 mm)
Int. Duration Advertised (Deg)278
Rpm Range2000-6800
Lifter TypeHydraulic Roller
Part FitmentSemi Universal
Vendor Part NumberCL54-418-11
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
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