Comp Cams ROCKER ARMS, GM LS3 1.8 BOLT D
(16) Ultra Pro Magnum Roller Rockers - Bolt Down - GM
- For LS3/L99/L76 - Rectangle Port Head LS Applications
- Full Set Of 16 Bolt Down Rockers - Includes Bolts
- 1.8:1 Ratio
New LS-Specific Ultra Pro MagnumT 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. New Ultra Pro MagnumT Rockers are made from investment-cast 8650 chromemoly steel, utilize upgraded trunnions and needle bearings over stock and are stronger, stiffer and more durable than the stock parts. They also feature a 1.8 ratio (compared to the stock rockers' 1.7) and utilize a roller tip instead of a slider. The higher ratio and increased stiffness make these rockers a great option for increasing lift without changing cams. This increased stiffness, along with the upgraded trunnion package and roller wheel, also makes them a perfect choice when running aftermarket valve springs. The rockers are available in a bolt-down design that uses stock rocker stands and in a stud-mount option for customers looking for an adjustable valve train. The stud-mount version is perfect for individuals running mechanical lifters as well. COMP Cams® LS Ultra Pro MangumT Rockers Arms are available for LS1, LS2, LS3, LS6 and LS-based truck engines and come in individual sets or kits featuring studs and guide plates. Kits do not include pushrods, but they are available separately.
- Increased (1.8) ratio & stiffness make rockers a great option for increasing lift w/o changing cams
- Investment-cast 8650 chromemoly steel body creates components stronger, stiffer & more durable than stock
- Increased stiffness, upgraded trunnion & roller wheel make rockers perfect for aftermarket valve springs
- Two designs available - bolt-down using stock rocker stands & and stud-mount for adjustable valve trains
- Available in individual sets or kits for LS1, LS2, LS3, LS6 & LS-based truck applications
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2012 | Cadillac | CTS | 3.6L, 3.0L |
| 2009 - 2015 | Cadillac | CTS | Base, V, Luxury, Premium |
| 2011 - 2014 | Cadillac | CTS | Coupe |
| 2010 - 2015 | Cadillac | CTS | Performance |
| 2013 | Cadillac | CTS | V Luxury |
| 2014 - 2015 | Cadillac | CTS | Vsport, Vsport Premium |
| 2007 - 2014 | Cadillac | Escalade | Base |
| 2009 - 2013 | Cadillac | Escalade | Hybrid |
| 2010 - 2013 | Cadillac | Escalade | Hybrid Platinum |
| 2008 - 2014 | Cadillac | Escalade | Platinum |
| 2011 - 2014 | Cadillac | Escalade | Premium, Luxury |
| 2012 | Cadillac | Escalade | Special Edition |
| 2007 - 2014 | Cadillac | Escalade ESV | Base |
| 2011 - 2014 | Cadillac | Escalade ESV | Luxury, Premium |
| 2008 - 2014 | Cadillac | Escalade ESV | Platinum |
| 2012 | Cadillac | Escalade ESV | Special Edition |
| 2007 - 2013 | Cadillac | Escalade EXT | Base |
| 2011 - 2013 | Cadillac | Escalade EXT | Luxury, Premium |
| 2007 - 2009 | Chevrolet | Avalanche | LTZ, LS, LT, Base |
| 2011 - 2012 | Chevrolet | Camaro | 2SS, 1SS, 1LT |
| 2010 - 2015 | Chevrolet | Camaro | LS |
| 2016 | Chevrolet | Camaro | RS |
| 2010 - 2016 | Chevrolet | Camaro | SS, LT |
| 2014 - 2015 | Chevrolet | Camaro | Z/28 |
| 2012 - 2015 | Chevrolet | Camaro | ZL1 |
| 2008 | Chevrolet | Corvette | 427 Limited Edition Z06 |
| 2013 | Chevrolet | Corvette | 427, LT |
| 2008 - 2013 | Chevrolet | Corvette | Base, Z06 |
| 2010 - 2013 | Chevrolet | Corvette | Grand Sport |
| 2011 | Chevrolet | Corvette | Z06 Carbon |
| 2009 - 2013 | Chevrolet | Corvette | ZR1 |
| 2009 - 2013 | Chevrolet | Silverado 1500 | Hybrid |
| 2007 - 2013 | Chevrolet | Silverado 1500 | LS, Base, WT, LTZ, LT |
| 2010 - 2013 | Chevrolet | Silverado 1500 | XFE |
| 2014 - 2017 | Chevrolet | SS | Base |
| 2007 - 2009 | Chevrolet | Suburban 1500 | LTZ, LS, LT, Base |
| 2007 | Chevrolet | Suburban 1500 | Z71 |
| 2008 - 2009 | Chevrolet | Tahoe | LTZ, Z71, LT, Base, Hybrid, LS |
| 2009 - 2013 | GMC | Sierra 1500 | Hybrid |
| 2007 - 2013 | GMC | Sierra 1500 | SLT, SL, WT, SLE, Denali |
| 2010 - 2013 | GMC | Sierra 1500 | XFE |
| 2007 - 2012 | GMC | Yukon | Base |
| 2010 - 2013 | GMC | Yukon | Denali Hybrid |
| 2007 - 2014 | GMC | Yukon | Denali, SLE, SLT |
| 2008 - 2013 | GMC | Yukon | Hybrid |
| 2007 - 2014 | GMC | Yukon XL 1500 | Denali, SLT, SLE |
| 2008 - 2009 | Hummer | H2 | Base, Adventure, Luxury |
| 2008 - 2009 | Pontiac | G8 | GT, Base |
| 2009 | Pontiac | G8 | GXP |
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Comp Cams ROCKER ARMS, GM LS3 1.8 BOLT D
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Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.