Father’s Day Sale – Up to 40% Off! Shop Now >

Find Engine Components for your Sierra 1500

Comp Cams Ultra Pro Magnum Roller Rocker Arm; 3/8-Inch Stud; 1.8 Ratio (07-13 6.0L, 6.2L Sierra 1500)Find parts that fit my vehicle

Item S578226
Our Price

$595.95

Military, Medical & First Responders $29.80 Available in AT Cash Rewards.
Confirm Eligibility

CONFIRM THIS FITS YOUR VEHICLE!

Select a different vehicle Help?
Update or Change Vehicle
    Create a list
    Add to New List

    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_
      • New LS-Specific Ultra Pro Magnum™ Rocker Arms Increase Ratio And Stiffness Over Stock Rockers
      • _x000D_
      • Increase Lift Without The Need To Swap Cams
      • _x000D_
      • LS3/L99/L76 Rectangle Port Head LS Applications
      • _x000D_
      • Set Of 16 Stud Mount Rockers Includes Poly Locks
      • _x000D_
      • Requires 3/8" Studs & Guide Plates GM LS Flat
      • _x000D_
      • Pushrod Diameter 5/16"
      • _x000D_
      • 1.8:1 Ratio
      • _x000D_
      • Fits 07-13 6.0L, 6.2L Sierra 1500
      • _x000D_

      Description

      Performance Enhancement. The Comp Cams Rocker Arms GM LS3 1.8 3/8 Ult offer increased rocker arm ratio and stiffness, improving valve lift and overall engine efficiency without the need to change the camshaft. Designed specifically for LS3-type rectangle port heads, these rocker arms optimize valve train performance for enhanced power output and durability.

      _x000D_

      Construction and Appearance. These rocker arms are constructed with high-quality materials engineered for strength and durability. They feature a precision-machined finish designed to withstand high-stress engine environments, ensuring reliable performance under demanding conditions.

      _x000D_

      Installation. Installation requires standard mechanical skills and uses existing stud mounts with 3/8" studs and guide plates; no drilling or special modifications are necessary, making for a straightforward upgrade.

      _x000D_

      Application. These rocker arms fit 07-13 6.0L, 6.2L Sierra 1500 models using rectangle port heads, providing a direct replacement that enhances valve train performance without additional modifications.

      Comp Cams 1676-16

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      4.7

      Reviews of Comp Cams Engine Products (106)

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Sierra 1500

      • 6.0L V8 - 07, 08, 09, 10, 11, 12, 13
      • 6.2L V8 - 07, 08, 09, 10, 11, 12, 13