Engines and Components› Camshafts and Valvetrain

COMP Cams

XR288HR10 CAM/LIFTER KIT

$1,327.17

SKU: C007 CL51-751-11

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

COMP Cams Magnum 243/243 Solid Roller Cam and Lifter Kit for Pontiac 265-455 V8 engines (1955-1981). Features choppy idle, broad power range, increased compression. Recommended for 3000+ stall converters, headers, lower gears. Includes cam, lifters, assembly lube. RPM range: 2,200-6,500. Advertised duration: 288 (int/exh). Duration @ 0.050 inch lift: 244 (int/exh). Valve lift: 0.55 (int/exh). Lobe separation: 110. Solid roller type, 1-bolt gear attachment. Lash settings: 0.020 (int/exh). Street/strip usage.

Fitment

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Specifications

BrandCOMP Cams
Part NumberC007 CL51-751-11

Videos

COMP Cams #Techtips: Hydraulic Roller Lifters

COMP Cams #Techtips: Hydraulic Roller Lifters
Why Upgrade to Solid Roller Lifters - Race MAx Direct Tech

Why Upgrade to Solid Roller Lifters - Race MAx Direct Tech
Roller Cam Conversions - The Only Way To Fix Modern Cam And Lifter Problems? A Cost Benefit Analysis

Roller Cam Conversions - The Only Way To Fix Modern Cam And Lifter Problems? A Cost Benefit Analysis
COMP Cams Quick Tech: The 10-10-10 Break-In Method

COMP Cams Quick Tech: The 10-10-10 Break-In Method
Solid Roller Cams.. What you need to know for running them on the street!

Solid Roller Cams.. What you need to know for running them on the street!
How to convert you Flat-tappet cam to roller cam installation

How to convert you Flat-tappet cam to roller cam installation
How to Convert From Flat-Tappet to a Roller Camshaft

How to Convert From Flat-Tappet to a Roller Camshaft

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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