Hummer H3T Engine Camshaft Kit – COMP Cams – Stage 1 LST (2009–2010). Purpose-built for 5.3L H3T projects planning a turbo, this kit readies your LS for reliable boost in a street-driven package.

The Stage 1 LST hydraulic roller profile targets GM LS 4.8/5.3L cam-only turbo builds where backpressure and other specs are still being finalized. Its matched components simplify parts selection and support dependable valve control under boost. Kit includes pushrods, dual valve springs, retainers, locks, spring seats, and valve seals.

Features

• Stage 1 LST turbo cam for GM LS 4.8/5.3L
• Suited to cam-only turbo builds with uncertain backpressure
• Hydraulic roller; fits 2009–2010 H3T 5.3L LS-based V8 (turbo use)
• Complete kit: pushrods, dual springs, retainers, locks, seats, seals

Need help with fitment or supporting mods? Call our Austin, Texas or Los Angeles, California area teams—we offer installation and customization at both shops: 512-982-9393 (TX), 562-981-6800 (CA). If you are purchasing multiple items, please contact us for shipping discounts. We install on premises at both locations.

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