Buick Rainier Camshaft – COMP Cams Stage 2 LST Max Horsepower Solid Roller Cam (2004–2007). A purpose-built upgrade for GM LS 3-bolt setups, ideal for 5.3L Rainier performance builds using stock pistons.

The Stage 2 LST 242/254 solid roller profile is engineered for maximum horsepower and high RPM while retaining factory piston valve reliefs. In a properly matched combo, it delivers strong acceleration from about 3500–7500 rpm, and maintains valvetrain stability to 7500 rpm when paired with COMP CK or MK kits of matched components. Suits enthusiasts seeking a decisive step up on a 2004–2007 Rainier 5.3L or other compatible LS applications. Always confirm piston-to-valve clearance, spring selection, and tuning for your build.

Features

• Stage 2 LST 242/254 solid roller design
• For 3-bolt GM LS platforms
• Works with stock pistons with factory valve reliefs
• Approx. 3500–7500 rpm operating range
• CK/MK kits available for matched valvetrain components

Have questions about fitment or supporting mods? Call Austin, TX 512-982-9393 or Los Angeles, CA area 562-981-6800. We offer installation and customization services at both locations.

If you are purchasing multiple items, contact us for shipping discounts. We install on premises at our Austin and Los Angeles locations.

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