FREE 1 to 3-Day Delivery on Orders $149+ Details
Comp Cams LSR Rectangular Port 239/255 Hydraulic Roller Camshaft (10-19 6.0L Silverado 3500 HD)Find parts that fit my vehicle
Item SHS29184
Sale
On Sale
-25% $404.95 Was $541.95
Military, Medical & First Responders
$20.25 Available in AT Cash Rewards.
Confirm Eligibility
Confirm Eligibility
CONFIRM THIS FITS YOUR VEHICLE!
Saved - View your saved items
We're sorry. We couldn't save this product at this time.
or use
Shop Owners Save More!
Sign up for our dealer program
Product Information
Features, Description, Q&A
Features
- _x000D_
- Hydraulic Roller Broad Top End Power Range for High RPM Race-Only LS Engines with Aftermarket Rectangular Port Cylinder Heads and Higher Compression _x000D_
- Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder 1997-2015 _x000D_
- RPM Operating Range: 2400-7200 _x000D_
- Cam Type: Hydraulic Roller _x000D_
- Camshaft Series: LSR Rectangular Port All Out Power _x000D_
- Camshaft Gear Attachment: 3-Bolt _x000D_
- Usage: Strip _x000D_
- Advertised Intake Duration: 289 _x000D_
- Advertised Exhaust Duration: 305 _x000D_
- Intake Duration at .050 Inch Lift: 239 _x000D_
- Exhaust Duration at .050 Inch Lift: 255 _x000D_
- Intake Valve Lift: 0.624 _x000D_
- Exhaust Valve Lift: 0.624 _x000D_
- Lobe Lift Intake: 0.367 _x000D_
- Lobe Lift Exhaust: 0.367 _x000D_
- Lobe Separation: 114 _x000D_
- Intake Centerline: 110 _x000D_
- Valve Timing Lift: 0.006 _x000D_
- Exhaust Close ATDC: 35 _x000D_
- Intake Open BTDC: 34 _x000D_
- Exhaust Open BBDC: 89 _x000D_
- Intake Close ABDC: 75 _x000D_
- Lifter Type: Hydraulic Roller _x000D_
- Fits 10-19 6.0L Silverado 3500 HD _x000D_
Description
High-Performance Hydraulic Roller. The Comp Cams LSR Rectangular Port 239/255 Hydraulic Roller Camshaft is engineered for high RPM, race-only LS engines equipped with aftermarket rectangular port cylinder heads and higher compression ratios. It delivers a broad top-end powerband, optimizing engine performance specifically for strip use. This camshaft is an essential upgrade for enthusiasts targeting aggressive power gains in GM LS GEN III/IV 3-bolt 8-cylinder engines.
_x000D__x000D_Construction and Appearance. Built with precision from high-quality materials, this camshaft is designed to endure the demands of racing applications. Its hydraulic roller design features durable lobes and a smooth finish, ensuring longevity and consistent performance under high-stress conditions.
_x000D__x000D_Installation. Installation requires moderate mechanical skills but no drilling, as it fits standard 3-bolt camshaft gears and can be directly swapped into compatible engines.
_x000D__x000D_Warranty. This camshaft includes a 12-month warranty, providing confidence in its quality and durability.
_x000D__x000D_Application. Specifically designed to fit 2010-2019 6.0L Silverado 3500 HD models, matching OEM specifications for seamless engine integration without modifications.
Comp Cams 54-471-11
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
4.7
Reviews of Comp Cams Engine Products (361)
Questions & Answers
No questions about this product yet.
Ask the First Question
Will It Fit My Silverado 3500
- 6.0L V8 - 10, 11, 12, 13, 14, 15, 16, 17, 18, 19
