# COMP Cams Rocker Arms CS 1.6 3/8 Ultra P Ultra Pro Magnumâ„¢ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums but they also take Stud mount Rocker performance, stability and value to a whole new level. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and increases durability. Featuring Oversized trunnions, precision-sorted needle bearings and hardened Roller tips for the ultimate in performance and dependability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050" locks without clearance or fitment issues.Chevy V6 200-262 c.i.d. - 1988 and later with Self Aligning Rockers - 3/8" Stud - 1.6 RatioInvestment cast 8650 chromemoly body and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia. Unique black oxide exterior finish helps prevent corrosion and increases durability.Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050" locks without clearance or fitment issues.Feature Oversized trunnions, precision-sorted needle bearings and hardened Roller tips.Lifetime Warranty - So strong that we guarantee the Rocker bodies against breakage for life. For use with up to 850 lbs of open spring pressure. This Part Fits: Year Make Model Submodel 2005-2007 Buick LaCrosse CXS 2002-2007 Buick Rendezvous CX 2002-2003,2005 Buick Rendezvous CX Plus 2002-2007 Buick Rendezvous CXL 2002-2003,2005 Buick Rendezvous CXL Plus 2004-2005 Buick Rendezvous Ultra 2005-2007 Buick Terraza CX 2005-2007 Buick Terraza CXL 2004-2007 Cadillac CTS Base 2004-2007 Cadillac SRX Base 2005-2007 Cadillac STS Base 1988-2005 Chevrolet Astro Base 1988-1995 Chevrolet Astro CL 1988-1995 Chevrolet Astro CS 1996-2005 Chevrolet Astro LS 1988-2005 Chevrolet Astro LT 1995-1999,2005 Chevrolet Blazer Base 1996-2004 Chevrolet Blazer LS 1995-2001 Chevrolet Blazer LT 1999-2001 Chevrolet Blazer Trailblazer 2001-2005 Chevrolet Blazer Xtreme 2003-2005 Chevrolet Blazer ZR2 1994-1997 Chevrolet C1500 Base 1988-1998 Chevrolet C1500 Cheyenne 1988-1992 Chevrolet C1500 Scottsdale 1988-1998 Chevrolet C1500 Silverado 1990-1998 Chevrolet C1500 WT 1994-1995 Chevrolet C2500 Base 1988-1995 Chevrolet C2500 Cheyenne 1988-1992 Chevrolet C2500 Scottsdale 1988-1995 Chevrolet C2500 Silverado 1994-1995 Chevrolet C2500 WT 1993-1995 Chevrolet Camaro Base 1988-1990 Chevrolet Caprice Base 1988-1990,1993 Chevrolet Caprice Classic 1988 Chevrolet Caprice Classic Brougham 1988 Chevrolet Caprice Classic LS Brougham 2005-2007 Chevrolet Equinox LS 2005-2007 Chevrolet Equinox LT 1996-2007 Chevrolet Express 1500 Base 1996-2006 Chevrolet Express 1500 LS 2001-2002,2006 Chevrolet Express 1500 LT 1996-2005 Chevrolet Express 2500 Base 1996-2005 Chevrolet Express 2500 LS 1988-1995 Chevrolet G10 Beauville 1988-1995 Chevrolet G10 Chevy Van 1988-1995 Chevrolet G10 Sportvan 1988-1995 Chevrolet G20 Beauville 1988-1995 Chevrolet G20 Chevy Van 1988-1995 Chevrolet G20 Sportvan 1988-1995 Chevrolet G30 Beauville 1988-1995 Chevrolet G30 Chevy Van 1988-1995 Chevrolet G30 Hi-Cube 2000-2005 Chevrolet Impala Base 2006-2007 Chevrolet Impala LS 2006-2007 Chevrolet Impala LT 2006-2007 Chevrolet Impala LTZ 2006-2007 Chevrolet Impala Police 1994-1997 Chevrolet K1500 Base 1988-1998 Chevrolet K1500 Cheyenne 1988-1992 Chevrolet K1500 Scottsdale 1988-1998 Chevrolet K1500 Silverado 1991 Chevrolet K1500 Sport 1990-1998 Chevrolet K1500 WT 1994-1995 Chevrolet K2500 Base 1988-1995 Chevrolet K2500 Cheyenne 1988-1992 Chevrolet K2500 Scottsdale 1988-1995 Chevrolet K2500 Silverado 1994-1995 Chevrolet K2500 WT 1992-1994 Chevrolet Lumina Euro 1995-1996 Chevrolet Lumina LS 1997 Chevrolet Lumina LTZ 1991-1994 Chevrolet Lumina Z34 1996 Chevrolet Lumina APV Base 1996 Chevrolet Lumina APV LS 2004-2007 Chevrolet Malibu LS 2004-2007 Chevrolet Malibu LT 2006-2007 Chevrolet Malibu LTZ 2004 Chevrolet Malibu Maxx 2004-2007 Chevrolet Malibu Maxx LS 2004-2007 Chevrolet Malibu Maxx LT 2006-2007 Chevrolet Malibu Maxx LTZ 2006-2007 Chevrolet Malibu Maxx SS 2006-2007 Chevrolet Malibu SS 1988 Chevrolet Monte Carlo Base 1988,2000-2007 Chevrolet Monte Carlo LS 2003 Chevrolet Monte Carlo LS Competition 2003 Chevrolet Monte Carlo LS Sport 2006-2007 Chevrolet Monte Carlo LT 2006 Chevrolet Monte Carlo LTZ 1995-1997 Chevrolet Monte Carlo Z34 1991 Chevrolet S10 Baja 1988-2003 Chevrolet S10 Base 1988-1990 Chevrolet S10 Durango 1992-1993 Chevrolet S10 EL 1994-2004 Chevrolet S10 LS 1988-1989 Chevrolet S10 Sport 1994-1998 Chevrolet S10 SS 1988-1992 Chevrolet S10 Tahoe 1999-2003 Chevrolet S10 Xtreme 1994-2003 Chevrolet S10 ZR2 2002-2004 Chevrolet S10 ZR5 1988-1994 Chevrolet S10 Blazer Base 1988-1989 Chevrolet S10 Blazer High Country 1994 Chevrolet S10 Blazer LT 1988-1990,1992 Chevrolet S10 Blazer Sport 1988,1990-1994 Chevrolet S10 Blazer Tahoe 1991-1994 Chevrolet S10 Blazer Tahoe LT 1999-2005 Chevrolet Silverado 1500 Base 1999-2006 Chevrolet Silverado 1500 LS 1999-2005 Chevrolet Silverado 1500 LT 2002-2004,2006-2007 Chevrolet Silverado 1500 WT 2004 Chevrolet Silverado 1500 Z71 Off-Road 2007 Chevrolet Silverado 1500 Classic LS 2007 Chevrolet Silverado 1500 Classic WT 2005-2007 Chevrolet Uplander Base 2005-2007 Chevrolet Uplander LS 2005-2007 Chevrolet Uplander LT 1997-2000,2002 Chevrolet Venture Base 1997-2005 Chevrolet Venture LS 2000-2005 Chevrolet Venture LT 2000-2005 Chevrolet Venture Plus 2000-2003 Chevrolet Venture Value 2000-2003 Chevrolet Venture Warner Bros. 2007 GMC Acadia SLE 2007 GMC Acadia SLT 1988-1993 GMC C1500 Sierra 1997 GMC C1500 Sierra GT 1994-1998 GMC C1500 Sierra SL 1988-1998 GMC C1500 Sierra SLE 1994-1998 GMC C1500 Sierra SLT 1988-1993 GMC C1500 Sierra SLX 1994-1998 GMC C1500 Sierra Special 1988-1993 GMC C2500 Sierra 1994-1995 GMC C2500 Sierra SL 1988-1995 GMC C2500 Sierra SLE 1988-1993 GMC C2500 Sierra SLX 1988-1993 GMC G1500 Rally 1988-1993 GMC G1500 Rally STX 1988-1995 GMC G1500 Vandura 1988-1995 GMC G2500 Rally 1988-1995 GMC G2500 Rally STX 1988-1995 GMC G2500 Vandura 1988-1995 GMC G3500 Vandura 1988-1995 GMC G3500 Vandura Special 1992-1996 GMC Jimmy Base 2000-2001 GMC Jimmy Diamond Edition 1998-2000 GMC Jimmy Envoy 1995-1999,2001 GMC Jimmy SL 1992-2001 GMC Jimmy SLE 1993-2001 GMC Jimmy SLS 1992-2001 GMC Jimmy SLT 1988-1993 GMC K1500 Sierra 1994-1998 GMC K1500 Sierra SL 1988-1998 GMC K1500 Sierra SLE 1995 GMC K1500 Sierra SLS 1994-1998 GMC K1500 Sierra SLT 1988-1993 GMC K1500 Sierra SLX 1994-1998 GMC K1500 Sierra Special 1993 GMC K1500 Sierra Sport 1988-1993 GMC K2500 Sierra 1994-1995 GMC K2500 Sierra SL 1988-1995 GMC K2500 Sierra SLE 1988-1993 GMC K2500 Sierra SLX 1988-1990 GMC S15 Base 1988 GMC S15 Gypsy 1988-1990 GMC S15 High Sierra 1988-1990 GMC S15 Sierra Classic 1988-1991 GMC S15 Jimmy Base 1988-1990 GMC S15 Jimmy Gypsy 1988-1990 GMC S15 Jimmy Sierra Classic 1991 GMC S15 Jimmy SLE 1991 GMC S15 Jimmy SLS 1991 GMC S15 Jimmy SLT 1988-1989 GMC S15 Jimmy Timberline 1988-1997,2003-2005 GMC Safari Base 1993 GMC Safari GT 1995-2002 GMC Safari SL 1988-2005 GMC Safari SLE 1988-2005 GMC Safari SLT 1988-1990,1994-1998 GMC Safari SLX 1996-2007 GMC Savana 1500 Base 2006 GMC Savana 1500 LS 2006 GMC Savana 1500 LT 1996-2000,2003-2005 GMC Savana 1500 SLE 2001-2002 GMC Savana 1500 SLT 1996-2005 GMC Savana 2500 Base 1998-2000,2003-2005 GMC Savana 2500 SLE 2002 GMC Savana 2500 SLT 2002-2005 GMC Sierra 1500 Base 2002 GMC Sierra 1500 HT 1999-2003,2006 GMC Sierra 1500 SL 1999-2004 GMC Sierra 1500 SLE 1999-2004 GMC Sierra 1500 SLT 2002-2007 GMC Sierra 1500 WT 2007 GMC Sierra 1500 Classic SL 2007 GMC Sierra 1500 Classic WT 1991-1993 GMC Sonoma Base 1992 GMC Sonoma GT 1994-2004 GMC Sonoma SL ## Details - **Price:** 528.39 CAD - **Vendor:** COMP Cams - **Type:** Rocker Arms ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 528.39 CAD | In stock | ## Images - Photo - Primary - Photo - Primary - Photo - Primary - Logo Image - Logo Image --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/comp-cams-rocker-arms-cs-1-6-3-8-ultra-p) > Updated: 2026-06-27