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Camshaft HV Series Stage 1 NSR GM LS Hydraulic Roller Comp Cams 54-271-11

54-271-11
This HV NSR (No Springs Required) cam for GM cathedral port LS engines is a drop in camshaft upgrade designed to provide amazing drivability and throttle response in larger vehicles. Provides increased torque across the entire RPM range with a significant horsepower bump.
Pricing: $515.95
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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.


Offers excellent drivability and throttle response while being easy to tune. Excellent choice for heavier daily driver vehicles (trucks/SUVs). Provides a deep rumble with a mild, yet noticeable lope. Works with stock springs and converters. +69 hp & +29 ft-lbs at peak over Gen IV 5.3L.


Computer Controlled Compatible:Yes
Valve Springs Required:No
Maximum Advance At Camshaft:5 deg
Engine Family:GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
RPM Operating Range:2500 - 6200
Grind Number:LS272PU-12
Cam Type:Hydraulic Roller
Camshaft Series:HV
Usage:Street
California Proposition 65:Yes
Advertised Intake Duration:272°
Advertised Exhaust Duration:278°
Intake Duration at .050 Inch Lift:218°
Exhaust Duration at .050 Inch Lift:226°
Intake Valve Lift:0.541in
Exhaust Valve Lift:0.541in
Lobe Lift Intake:0.318in
Lobe Lift Exhaust:0.318in
Lobe Separation:112°
Intake Centerline:107°
Exhaust Close ATDC:-4°
Intake Open BTDC:2°
Exhaust Open BBDC:36°
Intake Close ABDC:50°
Lifter Type:Roller Tappet
Recommended Cold Lash Setting - Intake:Hyd
Recommended Cold Lash Setting - Exhaust:Hyd
Direct Injection:No
VVT Compatible:No
Phaser Requirement :None
Fuel Management Strategy Compatible:No

Details

  • 54-271-11
  • 54-271-11
  • COMP Cams
  • New

Shipping Information

  • Item Requires Shipping
  • 10.0 lbs.
  • W2.7500” x H2.7500” x L24.0000”

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