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 non-adjustable pedestal mount LS3.
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.
- For LS3/L99/L76 - Rectangle Port Head LS Applications
- Full Set Of 16 Bolt Down Rockers - Includes Bolts
- 1.8:1 Ratio
Application Summary:
| Year |
Make/Model |
| 2009-2015 |
Cadillac CTS |
| 2007-2016 |
Cadillac Escalade |
| 2007-2016 |
Cadillac Escalade ESV |
| 2007-2013 |
Cadillac Escalade EXT |
| 2007-2009 |
Chevrolet Avalanche |
| 2010-2016 |
Chevrolet Camaro |
| 2008-2013 |
Chevrolet Corvette |
| 2007-2013 |
Chevrolet Silverado 1500 |
| 2014-2017 |
Chevrolet SS |
| 2007-2009 |
Chevrolet Suburban 1500 |
| 2008-2009 |
Chevrolet Tahoe |
| 2008 |
GMC Sierra |
| 2011-2013 |
GMC Sierra |
| 2015-2016 |
GMC Sierra |
| 2007-2013 |
GMC Sierra 1500 |
| 2007-2014 |
GMC Yukon |
| 2007-2014 |
GMC Yukon XL 1500 |
| 2008-2009 |
Hummer H2 |
| 2008-2009 |
Pontiac G8 |
| Attributes |
| Amazon ASIN |
B00N6LMJ18 |
| ASIN |
B00N6LMJ18 |
| C.A.R.B. E.O. Number |
N/A |
| C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967? |
Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for On-Road Vehicles? |
No |
| C.A.R.B. Exempt for Racing and Off-Road Only Vehicles? |
Yes, but must be a race/competition only vehicle. |
| C.A.R.B. Exemption Reason |
N/A |
| California Proposition 65 |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Country of Origin (Primary) |
US |
| Emission Code |
Legal US |
| Engine Family |
LS3 (Factory Offset), LS3 (Factory Offset) |
| Engine Make/Size |
Chevy LS Series |
| Harmonized Tariff Code (Schedule B) |
8409914000 |
| Hazardous Material Code |
N |
| Life Cycle Status Code |
Available to Order |
| Maximum Valve Spring Open Pressure |
850, 850 |
| NAFTA Preference Criterion Code |
B |
| Ratio |
1.8 |
| Rocker Arm Material |
8650 Chromemoly Steel, 8650 Chromemoly Steel |
| Rocker Arm Ratio |
1.8, 1.8 |
| Rocker Arm Series |
Ultra Pro Magnum, Ultra Pro Magnum |
| Rocker Stud Diameter |
Pedestal Mount, Pedestal Mount |
| SDR Required Flag |
N |
| SDS Sheet Number |
N/A |
| Stud Size |
N/A |
| GTIN |
00036584240686 |
