HV NSR Cam 218/226 .541/.541 Hyd Roller for GEN III/IV 4.8L/5.3L/6.0L (54-271-11)
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Compatibility
- Platform
- Universal
- Vehicle-specific fitment
- Review application details below
- Need help?
- Confirm fitment with us before ordering — (714) 202-7886
We list the engine platform a part is built for. That is not year-and-trim application data, so it does not confirm a fit on your specific vehicle.
- Est. install labor: 11.0 hrs — $1,375 at $125/hr. Pick Install at HRC and a 20% labor deposit ($275) is due at checkout; the balance is due at completion.
- An estimate for a stock vehicle, not a quote — we confirm it in writing when you book, before any labor is authorized. Seized hardware, prior modifications, diagnosis and machine work are quoted separately; tuning is arranged through our tuning partner. Questions: (714) 202-7886.
- Warranty & track disclaimer — read before you race it.
- Shipping & returns — rates and RMA terms.
- Installed in-house in Huntington Beach, CA — labor & service policy.
- Affirm and PayPal available at checkout.
More ways to pay at checkout
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.
| Part Type | Engine Camshaft |
|---|---|
| Advance | 5 |
| Exhaust Open BBDC | 36 |
| Intake Open BTDC | 2 |
| Exhaust Close ATDC | -4 |
| Intake Close ABDC | 50 |
| Factory Rocker Ratio | 1.7 |
| Intake Valve Lash | Hyd |
| Exhaust Valve Lash | Hyd |
| Intake Valve Lift with Factory Rocker Arm Ratio | 0.541 |
| Exhaust Valve Lift with Factory Rocker Arm Ratio | 0.541 |
| Basic Operating RPM Range | 2500 - 6200 |
| Direct Injection | No |
| VVT Compatible | No |
| Phaser Requirement | None |
| Fuel Management Strategy Compatible | No |
| Computer Controlled Compatible | Yes |
| Valve Springs Required | Yes |
| Engine Platform | GM LS GEN III/IV |
| 10602 | LS272PU-12 |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov |
| 987 | 278° |
| Camshaft Series | HV |
| 988 | 272° |
| Usage | Street |
| 990 | Hydraulic Roller |
| 8962 | 226° |
| Grind Number | LS272PU-12 |
| Cam Type | Hydraulic Roller |
| 1120 | 0.541" |
| Lifter Type | Roller |
| 994 | 0.541" |
| Camshaft Intake Centerline | 107 |
| 8963 | 218° |
| Advertised Intake Duration | 272 |
| 1122 | 0.541" |
| 996 | 0.541" |
| Advertised Exhaust Duration | 278 |
| Intake Duration at .050 Inch Lift | 218 |
| 1022 | Hydraulic Roller |
| 997 | 112° |
| Exhaust Duration at .050 inch Lift | 226 |
| Intake Lobe Lift | 0.318 |
| Exhaust Lobe Lift | 0.318 |
| Lobe Separation | 112 |
| Weight | 10 lb |
| UPC | 00036584380719 |
| Country of Origin | USA |
Verified fitment · 752 applications
- Buick Allure 5.3L (2008–2009)
- Buick LaCrosse 5.3L (2008–2009)
- Buick Rainier 5.3L (2004–2007)
- Cadillac CTS 6.2L (2009–2015)
- Cadillac Escalade 5.3L (2002–2005)
- Cadillac Escalade 6.0L (2002–2013)
- Cadillac Escalade 6.2L (2007–2016)
- Cadillac Escalade ESV 6.0L (2003–2006)
- Cadillac Escalade ESV 6.2L (2007–2015)
- Cadillac Escalade EXT 6.0L (2002–2006)
- Cadillac Escalade EXT 6.2L (2007–2013)
- Chevrolet Avalanche 1500 5.3L (2002–2006)
- Chevrolet Avalanche 5.3L (2007–2013)
- Chevrolet Avalanche 6.0L (2007–2009)
- Chevrolet Camaro 6.2L (2010–2015)
- Chevrolet Camaro 7.0L (2014–2015)
- Chevrolet Caprice 6.0L (2011–2017)
- Chevrolet Cheyenne 5.3L (2007–2016)
- Chevrolet Colorado 5.3L (2009–2012)
- Chevrolet Corvette 6.0L (2005–2007)
- Chevrolet Corvette 6.2L (2009–2013)
- Chevrolet Corvette 7.0L (2006–2013)
- Chevrolet Express 1500 5.3L (2003–2014)
- Chevrolet Express 2500 4.8L (2010–2017)
- Chevrolet Express 2500 5.3L (2003–2005)
- Chevrolet Express 2500 6.0L (2010–2020)
- Chevrolet Express 3500 4.8L (2010–2017)
- Chevrolet Express 3500 6.0L (2010–2020)
- Chevrolet Express 4500 6.0L (2010–2019)
- Chevrolet Express Cargo 6.0L (2012–2017)
- Chevrolet Express Pasajeros 6.0L (2010–2019)
- Chevrolet Impala 5.3L (2006–2009)
- Chevrolet LCF 3500 6.0L (2016–2018)
- Chevrolet LCF 4500 6.0L (2016–2019)
- Chevrolet Monte Carlo 5.3L (2006–2007)
- Chevrolet SSR 5.3L (2003–2004)
- Chevrolet Silverado 1500 4.8L (2010–2013)
- Chevrolet Silverado 1500 5.3L (1999–2013)
- Chevrolet Silverado 1500 6.0L (2003–2013)
- Chevrolet Silverado 1500 6.2L (2009–2013)
- Chevrolet Silverado 1500 Classic 5.3L (2007)
- Chevrolet Silverado 1500 Classic 6.0L (2007)
- Chevrolet Silverado 2500 5.3L (1999–2016)
- Chevrolet Silverado 2500 HD 6.0L (2010–2019)
- Chevrolet Silverado 3500 6.0L (2008–2018)
- Chevrolet Silverado 3500 HD 6.0L (2010–2019)
- Chevrolet Suburban 1500 5.3L (2000–2014)
- Chevrolet Suburban 1500 6.0L (2007–2013)
- Chevrolet Suburban 2500 6.0L (2010–2013)
- Chevrolet Suburban 3500 HD 6.0L (2016–2019)
- Chevrolet Suburban 6.0L (2017–2019)
- Chevrolet Tahoe 5.3L (2000–2014)
- Chevrolet Tahoe 6.0L (2008–2013)
- Chevrolet Tahoe 6.2L (2008–2009)
- Chevrolet Trailblazer 5.3L (2006–2008)
- Chevrolet Trailblazer EXT 5.3L (2003–2006)
- GMC Canyon 5.3L (2009–2012)
- GMC Envoy 5.3L (2005–2009)
- GMC Envoy XL 5.3L (2003–2006)
- GMC Envoy XUV 5.3L (2004–2005)
- GMC Savana 1500 5.3L (2003–2014)
- GMC Savana 2500 4.8L (2010–2017)
- GMC Savana 2500 5.3L (2003–2005)
- GMC Savana 2500 6.0L (2010–2020)
- GMC Savana 3500 4.8L (2010–2017)
- GMC Savana 3500 6.0L (2010–2020)
- GMC Savana 4500 6.0L (2010–2019)
- GMC Sierra 1500 4.8L (2010–2013)
- GMC Sierra 1500 5.3L (1999–2013)
- GMC Sierra 1500 6.0L (2004–2013)
- GMC Sierra 1500 6.2L (2007–2013)
- GMC Sierra 1500 Classic 5.3L (2007)
- GMC Sierra 1500 Classic 6.0L (2007)
- GMC Sierra 2500 5.3L (1999–2000)
- GMC Sierra 2500 HD 6.0L (2010–2019)
- GMC Sierra 3500 HD 6.0L (2010–2019)
- GMC Sierra 5.3L (2015–2016)
- GMC Sierra 6.2L (2008)
- GMC Yukon 5.3L (2000–2014)
- GMC Yukon 6.0L (2008–2013)
- GMC Yukon 6.2L (2007–2014)
- GMC Yukon XL 1500 5.3L (2000–2014)
- GMC Yukon XL 1500 6.0L (2007–2009)
- GMC Yukon XL 1500 6.2L (2007–2014)
- GMC Yukon XL 2500 6.0L (2010–2013)
- Hummer H2 6.0L (2004–2007)
- Hummer H2 6.2L (2008–2009)
- Hummer H3 5.3L (2008–2010)
- Hummer H3T 5.3L (2009–2010)
- Pontiac G8 6.0L (2008–2009)
- Pontiac Grand Prix 5.3L (2005–2008)
| Part No. | 54-271-11 |
|---|---|
| Brand | COMP Cams |
| Part Type | Engine Camshaft |
| Weight | 10 lb |
| UPC | 00036584380719 |
| Country of Origin | USA |
Platform-level fitment (Ford + GM, Phase 1). We publish the engine platform a part is built for — not year-and-trim application data — so nothing here confirms a fit on a specific vehicle. Confirm fitment with us before ordering: (714) 202-7886.
Commonly Needed With This
Parts builders usually buy alongside this one — gaskets, seals and hardware for the install. These are suggestions, not a verified fit: call (714) 202-7886 to confirm before ordering.
