Hummer H3 Engine Camshaft Kit - COMP Cams Stage 1 LST 58X Master Cam Kit for 4.8/5.3 Turbo (2008-2010). A street-friendly cam and valvetrain package built for turbocharged LS 4.8 and 5.3 engines using the 58X system.

Engineered for cam-only builds with unknown back pressure, this kit pairs the COMP Cams LST Stage 1 turbo profile with a matched timing set and valvetrain hardware for dependable, boost-ready operation. The included 58X, 4-pole reluctor timing set provides the correct crank signal for late Gen IV applications. For 24X needs, see part M54-330-24. Contents include lifters, pushrods, springs, retainers, locks, seats, and seals.

Features

• Stage 1 LST turbo cam for LS 4.8/5.3
• Complete Master Kit: lifters, pushrods, springs, retainers, locks, seats, seals
• 58X 4-pole reluctor timing set included
• Hydraulic roller design
• Suited to 2008-2010 Hummer H3 5.3L and other 58X LS truck/SUV builds

Have questions or want expert guidance on your setup? Call us at 512-982-9393 (TX) or 562-981-6800 (CA). We have two locations in Austin, Texas and the Los Angeles, California area, where we offer installation and customization services.

If you are considering purchasing multiple items, please contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov