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COMP Cams 1676-16 Ultra Pro Magnum 1.8 Ratio Rocker Arm Set for GM LS3 w/ 3/8" Stud
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These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.8 ratio, these rockers fit LS3 with a 3/8" diameter stud.
New LS-Specific Ultra Pro Magnumâ„¢ Rocker Arms From COMP Cams Increase Ratio And Stiffness Over Stock Rockers, While Also Increasing Lift without The Need To Swap Cams. As LS engines continue to grow in popularity, COMP Cams has expanded its line of Rocker arms to build components specific to LS Applications.- LS3/L99/L76 - Rectangle Port Head LS Applications
- Set Of 16 Stud Mount Rockers - Includes Poly Locks - Requires 3/8" Studs & Guide Plates - GM LS Flat - 5/16" Pushrod Diameter
- 1.8:1 Ratio
Specifications
| Engine Family | LS3 (Factory Offset) |
| Maximum Valve Spring Open Pressure | 850 |
| Rocker Arm Material | 8650 Chromemoly Steel |
| Rocker Arm Ratio | 1.8 |
| Rocker Arm Series | Ultra Pro Magnum |
| Rocker Stud Diameter | 3/8 IN |
⚠️ California Proposition 65 Warning
California Residents: This product can expose you to chemicals which are known to the State of California to cause cancer or other reproductive harm. Please visit www.p65warnings.ca.gov for more information.
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