Buick Rainier Engine Camshaft Kit - COMP Cams - Stage 1 LST - 04-07. Built for 5.3L LS-powered Rainier models, this cam kit delivers a responsive, turbo-ready package for street-driven builds.

The COMP Cams Stage 1 LST is optimized for LS 4.8/5.3 turbo applications and excels in “cam only” setups with unknown back pressure. This matched kit streamlines your upgrade with the right supporting hardware for durability and tuning headroom: pushrods, dual springs, retainers, locks, spring seats, and valve seals. Its hydraulic-roller profile is designed for strong low-to-midrange torque and quick spool behavior. For timing set needs, see MK54-330-24 (24x, 1-pole) or MK54-330-58 (58x, 4-pole). Stage 2 option: CK54-332-11.

Features

• For 2004-2007 Buick Rainier 5.3L LS turbo projects
• Stage 1 LST camshaft for cam-only turbo builds
• Complete valvetrain kit: pushrods, dual springs, retainers, locks, seats, seals
• Hydraulic-roller design for crisp drivability
• GM LS 4.8/5.3 compatibility; confirm reluctor/timing set as required

Questions about fitment or your build plan? Call us. We offer installation and customization at our Austin, TX and Los Angeles, CA area shops: 512-982-9393 (TX), 562-981-6800 (CA).

Buying multiple items? Contact us for shipping discounts.

We install on premises at both locations.

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