COMP Cams · New
COMP Cams GM LS3/LS4 HV Series Camshaft LS272PU-12
MPN 54-271-11 · Store SKU cca54-271-11
Supplier stock checked 11/8/2026, 8:51:44 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
This COMP Cams® HV NSR cam is designed for GM cathedral port 4.8L/5.3L/6.0L powered vehicles. It provides amazing drivability and throttle response while also requiring minimal tuning. Torque is increased across the entire operating range while still producing +69 horsepower at peak. Get the most out of your daily driver truck, SUV or 4x4 without sacrificing street manners. The NSR HV cam will provide a deep rumble with a mild, yet noticeable lope. At .541" lift, this cam is designed to allow drop-in performance with stock valve springs. Also compatible with stock converters. This COMP Cams® HV NSR cam is designed for GMcathedral port 4.8L/5.3L/6.0L powered vehicles. Itprovides amazing drivability and throttle responsewhile also requiring minimal tuning. HV NSR Cam 218/226 .541/.541 Hyd Roller for GEN III/IV 4.8L/5.3L/6.0L LXN/LSN 218/222 Hydraulic Roller Camshaft for 3-Bolt GM LS
Manufacturer fitment & guides
- Fits all 3-Bolt GM LS engines, but designed for use with our RHS Sheet Metal Intake
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y
