COMP Cams GM LS3/LS4 HV Series Camshaft LS272PU-12
COMP Cams GM LS3/LS4 HV Series Camshaft LS272PU-12
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Description
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.
Product Overview
This COMP CamsĀ® 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.
Product Details
| Advance: | 5 |
|---|---|
| Advertised Exhaust Duration: | 278 |
| Advertised Intake Duration: | 272 |
| Basic Operating RPM Range: | 1,600-6,400 |
| California Proposition 65: | WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov |
| Cam Type: | Hydraulic Roller |
| Camshaft Intake Centerline: | 107 |
| Camshaft Series: | HV |
| Computer Controlled Compatible: | Yes |
| Description: | LXN/LSN 218/222 Hydraulic Roller Camshaft for 3-Bolt GM LS |
| Direct Injection: | No |
| Engine Platform: | GM LS GEN III/IV |
| Exhaust Close ATDC: | -4 |
| Exhaust Duration at .050 inch Lift: | 226 |
| Exhaust Lobe Lift: | 0.318 |
| Exhaust Open BBDC: | 36 |
| Exhaust Valve Lash: | Hyd |
| Exhaust Valve Lift with Factory Rocker Arm Ratio: | .541 |
| Exhaust Valve Lift: | .541 |
| Factory Rocker Ratio: | 1.7 |
| Fuel Management Strategy Compatible: | No |
| Grind Number: | LS272PU-12 |
| Intake Close ABDC: | 50 |
| Intake Duration at .050 Inch Lift: | 218 |
| Intake Lobe Lift: | 0.318 |
| Intake Open BTDC: | 2 |
| Intake Valve Lash: | Hyd |
| Intake Valve Lift with Factory Rocker Arm Ratio: | .541 |
| Intake Valve Lift: | .541 |
| Lifter Type: | Roller |
| Lobe Separation: | 112 |
| Part Number: | cca54-271-11 |
| Phaser Requirement: | None |
| Title: | LXN/LSN 218/222 Hydraulic Roller Camshaft for 3-Bolt GM LS |
| Usage: | Street |
| VVT Compatible: | No |
| Valve Springs Required: | Yes |
Application Summary
Fits all 3-Bolt GM LS engines, but designed for use with our RHS Sheet Metal Intake
Part Type
Engine Camshaft
Specifications
- Product Attributes - Brand
- COMP Cams
- Product Attributes - Manufacturer's Part Number
- 54-271-11
- Product Attributes - Part Type
- Camshafts
- Product Attributes - Product Line
- COMP Cams HV NSR Camshafts
- Product Attributes - UPC
- 036584380719
- Product Attributes - Cam Style
- Hydraulic roller, OE roller
- Product Attributes - Camshaft Use
- Street/Strip
- Product Attributes - Basic Operating RPM Range
- 1,600-6,400
- Product Attributes - Intake Duration at 050 inch Lift
- 218
- Product Attributes - Exhaust Duration at 050 inch Lift
- 226
- Product Attributes - Duration at 050 inch Lift
- 218 int./226 exh.
- Product Attributes - Advertised Intake Duration
- 272
- Product Attributes - Advertised Exhaust Duration
- 278
- Product Attributes - Advertised Duration
- 272 int./278 exh.
- Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
- 0.541 in.
- Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
- 0.541 in.
- Product Attributes - Valve Lift with Factory Rocker Arm Ratio
- 0.541 int./0.541 exh.
- Product Attributes - Lobe Separation (degrees)
- 112
- Product Attributes - Camshaft Gear Attachment
- 3-bolt
- Product Attributes - Remanufactured
- No
- Product Attributes - Computer-Controlled Compatible
- Yes
- Product Attributes - Valve Springs Required
- No
- Product Attributes - Quantity
- Sold individually.
Reference Information
| Brand Name/s | Comp Cams |
|---|---|
| StreetFX SKU | cca54-271-11 |
| SFX Item ID | 4124821 |
| Supplier Item Code | 4124821 |
| Manufacturer SKU | 54-271-11 |
| Manufacturer UPC | 36584380719 |
| Alternative References | COM54-271-11, CPC54-271-11, LS3/LS4, LS272PU-12 |
Brochures
Compatibility
Fits all 3-Bolt GM LS engines, but designed for use with our RHS Sheet Metal Intake
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