
Comp Cams Rocker Arm, GM LS1 1.8 3/8 Ultra Pro Mag

New LS-Specific Ultra Pro Magnum 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 |
---|---|---|---|
2001 - 2004 | Avanti | II | Base |
2008 - 2009 | Buick | LaCrosse | CXL, Super, CX |
2008 | Buick | LaCrosse | CXS |
2004 - 2007 | Buick | Rainier | CXL |
2004 - 2005 | Buick | Rainier | CXL Plus |
2004 - 2005 | Cadillac | CTS | Base, V |
2002 - 2013 | Cadillac | Escalade | Base |
2010 - 2013 | Cadillac | Escalade | Hybrid Platinum |
2009 - 2013 | Cadillac | Escalade | Hybrid, Platinum |
2011 - 2013 | Cadillac | Escalade | Premium, Luxury |
2012 | Cadillac | Escalade | Special Edition |
2007 - 2013 | Chevrolet | Avalanche | Base |
2013 | Chevrolet | Avalanche | Black Diamond LT, Black Diamond LTZ, Black Diamond LS |
2007 - 2012 | Chevrolet | Avalanche | LT, LTZ, LS |
2002 - 2006 | Chevrolet | Avalanche 1500 | Base, LS, Z71, LT |
2002 - 2003 | Chevrolet | Avalanche 1500 | North Face, On Road Edition |
2003 | Chevrolet | Avalanche 1500 | WBH |
2004 - 2006 | Chevrolet | Avalanche 1500 | Z66 |
1998 - 2002 | Chevrolet | Camaro | Base, Z28, Z28 SS |
1998 | Chevrolet | Camaro | Lujo |
2009 - 2012 | Chevrolet | Colorado | LT, Base, WT |
2003 | Chevrolet | Corvette | 50th Anniversary Edition, 50th Anniversary Edition Pace Car |
1997 - 2004 | Chevrolet | Corvette | Base |
1998 | Chevrolet | Corvette | Indianapolis 500 Pace Car |
2001 - 2004 | Chevrolet | Corvette | Z06 |
2003 - 2007 | Chevrolet | Express 1500 | Base, LS |
2006 - 2007 | Chevrolet | Express 1500 | LT |
2003 - 2019 | Chevrolet | Express 2500 | Base, LS |
2010 - 2019 | Chevrolet | Express 2500 | LT |
2010 - 2019 | Chevrolet | Express 3500 | Base, LS, LT |
2008 | Chevrolet | Impala | 50th Anniversary Edition |
2006 - 2009 | Chevrolet | Impala | SS, LTZ, Police, LT, LS |
2016 - 2017 | Chevrolet | LCF 3500 | Base |
2006 - 2007 | Chevrolet | Monte Carlo | LS, LT, SS |
2006 | Chevrolet | Monte Carlo | LTZ |
2002 | Chevrolet | Silverado 1500 | Custom |
2004 - 2013 | Chevrolet | Silverado 1500 | Hybrid |
1999 - 2013 | Chevrolet | Silverado 1500 | LS, Base, LT |
2007 - 2013 | Chevrolet | Silverado 1500 | LTZ |
2003 - 2006 | Chevrolet | Silverado 1500 | SS |
2002 - 2013 | Chevrolet | Silverado 1500 | WT |
2010 - 2013 | Chevrolet | Silverado 1500 | XFE |
2004 | Chevrolet | Silverado 1500 | Z71 |
2007 | Chevrolet | Silverado 1500 Classic | LT, SS, Hybrid, LS, WT |
1999 - 2000 | Chevrolet | Silverado 2500 | LT, Base, LS |
2015 - 2019 | Chevrolet | Silverado 2500 HD | High Country |
2010 - 2019 | Chevrolet | Silverado 2500 HD | WT, LTZ, LT |
2015 - 2019 | Chevrolet | Silverado 3500 HD | High Country |
2010 - 2019 | Chevrolet | Silverado 3500 HD | LTZ, LT, WT |
2003 - 2004 | Chevrolet | SSR | Base |
2000 - 2012 | Chevrolet | Suburban 1500 | Base |
2000 - 2014 | Chevrolet | Suburban 1500 | LT, LS |
2006 - 2014 | Chevrolet | Suburban 1500 | LTZ |
2004 - 2007 | Chevrolet | Suburban 1500 | Z71 |
2010 - 2013 | Chevrolet | Suburban 2500 | LT, LS |
2016 - 2019 | Chevrolet | Suburban 3500 HD | LT, LS |
2000 - 2012 | Chevrolet | Tahoe | Base |
2008 - 2013 | Chevrolet | Tahoe | Hybrid |
2000 | Chevrolet | Tahoe | Limited |
2000 - 2014 | Chevrolet | Tahoe | LS, LT |
2007 - 2014 | Chevrolet | Tahoe | LTZ |
2012 - 2014 | Chevrolet | Tahoe | PPV, SSV |
2000 - 2009 | Chevrolet | Tahoe | Z71 |
2006 - 2007 | Chevrolet | Trailblazer | A, B, LS |
2006 - 2008 | Chevrolet | Trailblazer | Base, LT, SS |
2003 - 2006 | Chevrolet | Trailblazer EXT | LS, LT |
2003 - 2004 | Chevrolet | Trailblazer EXT | North Face |
2009 - 2012 | GMC | Canyon | SLT, Base, SLE, WT |
2005 - 2009 | GMC | Envoy | SLT, Denali, SLE |
2005 - 2006 | GMC | Envoy XL | Denali |
2003 - 2006 | GMC | Envoy XL | SLT, SLE |
2004 - 2005 | GMC | Envoy XUV | SLE, SLT |
2003 - 2007 | GMC | Savana 1500 | Base |
2006 - 2007 | GMC | Savana 1500 | LT, LS |
2003 - 2005 | GMC | Savana 1500 | SLE |
2003 - 2019 | GMC | Savana 2500 | Base |
2010 - 2019 | GMC | Savana 2500 | LT, LS |
2010 - 2013 | GMC | Savana 2500 | SL |
2003 - 2013 | GMC | Savana 2500 | SLE |
2010 - 2019 | GMC | Savana 3500 | LS, LT, Base |
2010 - 2013 | GMC | Savana 3500 | SLE, SL |
2002 - 2005 | GMC | Sierra 1500 | Base |
2001 | GMC | Sierra 1500 | C3 |
2002 | GMC | Sierra 1500 | HT |
2005 - 2013 | GMC | Sierra 1500 | Hybrid |
1999 - 2013 | GMC | Sierra 1500 | SLE, SL, SLT |
2002 - 2013 | GMC | Sierra 1500 | WT, Denali |
2010 - 2013 | GMC | Sierra 1500 | XFE |
2007 | GMC | Sierra 1500 Classic | Denali, Hybrid, SL, SLT, SLE, WT |
1999 - 2000 | GMC | Sierra 2500 | SLT, SL, SLE |
2015 - 2019 | GMC | Sierra 2500 HD | Base |
2011 - 2019 | GMC | Sierra 2500 HD | Denali |
2010 - 2019 | GMC | Sierra 2500 HD | SLE, SLT |
2010 - 2014 | GMC | Sierra 2500 HD | WT |
2015 - 2019 | GMC | Sierra 3500 HD | Base |
2011 - 2019 | GMC | Sierra 3500 HD | Denali |
2010 - 2019 | GMC | Sierra 3500 HD | SLE, SLT |
2010 - 2014 | GMC | Sierra 3500 HD | WT |
2007 - 2012 | GMC | Yukon | Base |
2010 - 2013 | GMC | Yukon | Denali Hybrid |
2000 - 2014 | GMC | Yukon | Denali, SLT, SLE |
2008 - 2013 | GMC | Yukon | Hybrid |
2006 | GMC | Yukon | SL |
2001 - 2014 | GMC | Yukon XL 1500 | Denali |
2006 | GMC | Yukon XL 1500 | SL |
2000 - 2014 | GMC | Yukon XL 1500 | SLT, SLE |
2010 - 2013 | GMC | Yukon XL 2500 | SLE, SLT |
2007 | Hummer | H2 | Adventure, Special Edition, Luxury |
2004 - 2007 | Hummer | H2 | Base |
2008 - 2010 | Hummer | H3 | Base, Adventure, Alpha, Luxury |
2009 | Hummer | H3 | Championship Series |
2008 - 2009 | Hummer | H3 | X |
2010 | Hummer | H3T | Adventure |
2009 - 2010 | Hummer | H3T | Alpha, Base |
2003 - 2006 | Isuzu | Ascender | Base, LS |
2003 - 2005 | Isuzu | Ascender | Limited |
2004 - 2005 | Isuzu | Ascender | S |
1998 - 2002 | Pontiac | Firebird | Formula, Base, Trans Am |
2005 - 2008 | Pontiac | Grand Prix | Base, GXP |
2005 - 2007 | Pontiac | Grand Prix | GT |
2005 | Pontiac | Grand Prix | GTP |
2004 | Pontiac | GTO | Base |
2006 - 2009 | Saab | 9-7x | 5.3i, 4.2i |
2008 - 2009 | Saab | 9-7x | Aero |
2005 | Saab | 9-7x | Linear, Arc |
