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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-54-455-11
LSR Cathedral Port Hydraulic Roller Camshaft GM Gen III/LS1/LS2/LS6 1997-Present (Three bolt) Lift: .604"/.610"
$40495
Ships on 09/15/2026
Lowest Price GuaranteeLSR Cathedral Port Hydraulic Roller Camshafts Small Displacement Or Max Torque, 4.8L-5.7L
- LSR Cathedral Port Hydraulic Roller Camshaft
- Lift: .604"/.610"
- Duration: 265°/273°
- Lobe Separation Angle: 112°
- RPM Range: 1300-6500
- Very Strong Torque
- Excellent Response
- Works Best In Heavy Vehicles
- Low RPM Applications
- 1 Year Limited Warranty
Operating Range: 1300-6500 RPM Duration Advertised: 265° Intake / 273° Exhaust Duration @ .050': 215° Intake / 223° Exhaust Valve Lift w/1.7 Rockers: .604' Intake / .610' 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
Very strong torque and excellent response. Works best in heavy vehicles, low RPM applications.
GM Gen III/LS1/LS2/LS6 1997-Present (Three bolt)
Part TypeCamshaft
BrandCOMP CAMS
Package Height2.8
Package Width2.9
Package Length24.3
Weight9.79 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)233
Cam StyleHydraulic roller tappet
Grind Number265LRHR12
Exh. Duration Advertised (Deg)273
Engine Make/SizeChevy Small Block LS1
Intake Valve Lift With Factory Rocker Arm Ratio (I0.604
Int. Duration @ .050 In. (Deg)215
Basic Operating Rpm Range1,300-6,500
Intake Valve Lift0.604 in (15.342 mm)
Computer-Controlled CompatibleYes
Int. Duration Advertised (Deg)265
Lobe Separation (Deg)112
Rpm Range1300-6500
Advertised Duration265 int./273 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.61
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.604 int./0.610 exh.
Camshaft Gear Attachment3-bolt
QuantitySold individually
Exhaust Valve Lift0.61 in (15.494 mm)
Advertised Intake Duration265
Intake Duration At 050 Inch Lift215
Exhaust Duration At 050 Inch Lift223
Advertised Exhaust Duration273
Lifter TypeHydraulic Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift215 int./223 exh.
Valve Springs RequiredYes
Vendor Part Number54-455-11
Package Qty1
Package TypeEA
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