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 1.52 ratio, these rockers fit Chevrolet V6 with a 7/16" diameter stud.
The Ultra Pro Magnumâ„¢ Roller Rocker Arms for Chevy V6 200-262 c.i.d. Applications 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. These Rocker arms feature a 7/16" Stud diameter and 1.52 ratio. 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.
The Ultra Pro Magnumâ„¢ Roller Rocker Arms for Chevy V6 200-262 c.i.d. Applications 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. These Rocker arms feature a 7/16" Stud diameter and 1.52 ratio. 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.
- Investment 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.
Application Summary:
| Year | Make/Model |
|---|---|
| 2002-2007 | Buick Rendezvous |
| 2005-2007 | Buick Terraza |
| 1985-2005 | Chevrolet Astro |
| 1995-2005 | Chevrolet Blazer |
| 1985-1986 | Chevrolet C10 |
| 1988-1998 | Chevrolet C1500 |
| 1985-1986 | Chevrolet C20 |
| 1988-1995 | Chevrolet C2500 |
| 1993-1995 | Chevrolet Camaro |
| 1983-1990 | Chevrolet Caprice |
| 1993 | Chevrolet Caprice |
| 1978-1979 | Chevrolet El Camino |
| 1983-1987 | Chevrolet El Camino |
| 2005-2007 | Chevrolet Equinox |
| 1996-2007 | Chevrolet Express 1500 |
| 1996-2005 | Chevrolet Express 2500 |
| 1985-1995 | Chevrolet G10 |
| 1985-1995 | Chevrolet G20 |
| 1985-1995 | Chevrolet G30 |
| 1983-1985 | Chevrolet Impala |
| 2000-2007 | Chevrolet Impala |
| 1985-1986 | Chevrolet K10 |
| 1988-1998 | Chevrolet K1500 |
| 1985 | Chevrolet K20 |
| 1988-1995 | Chevrolet K2500 |
| 1991-1997 | Chevrolet Lumina |
| 1996 | Chevrolet Lumina APV |
| 1978-1979 | Chevrolet Malibu |
| 1983 | Chevrolet Malibu |
| 2004-2007 | Chevrolet Malibu |
| 1978-1979 | Chevrolet Monte Carlo |
| 1983-1988 | Chevrolet Monte Carlo |
| 1995-1997 | Chevrolet Monte Carlo |
| 2000-2007 | Chevrolet Monte Carlo |
| 1987 | Chevrolet R10 |
| 1987 | Chevrolet R20 |
| 1988-2004 | Chevrolet S10 |
| 1988-1994 | Chevrolet S10 Blazer |
| 1999-2007 | Chevrolet Silverado 1500 |
| 2005-2007 | Chevrolet Uplander |
| 1987 | Chevrolet V10 |
| 1997-2005 | Chevrolet Venture |
| 2007 | GMC Acadia |
| 1985-1986 | GMC C1500 |
| 1988-1998 | GMC C1500 |
| 1985-1986 | GMC C2500 |
| 1988-1995 | GMC C2500 |
| 1978-1979 | GMC Caballero |
| 1983-1987 | GMC Caballero |
| 1985-1995 | GMC G1500 |
| 1985-1995 | GMC G2500 |
| 1985-1995 | GMC G3500 |
| 1992-2001 | GMC Jimmy |
| 1985-1986 | GMC K1500 |
| 1988-1998 | GMC K1500 |
| 1985 | GMC K2500 |
| 1988-1995 | GMC K2500 |
| 1987 | GMC R1500 |
| 1987 | GMC R2500 |
| 1988-1990 | GMC S15 |
| 1988-1991 | GMC S15 Jimmy |
| 1985-2005 | GMC Safari |
| 1996-2007 | GMC Savana 1500 |
| 1996-2005 | GMC Savana 2500 |
| 1999-2007 | GMC Sierra 1500 |
| 1991-2004 | GMC Sonoma |
| 1991 | GMC Syclone |
| 1992-1993 | GMC Typhoon |
| 1987 | GMC V1500 |
| 2000 | Isuzu Hombre |
| 1999-2004 | Oldsmobile Alero |
| 1991-1994 | Oldsmobile Bravada |
| 1996-2001 | Oldsmobile Bravada |
| 1991-1996 | Oldsmobile Cutlass Supreme |
| 1996-2004 | Oldsmobile Silhouette |
| 2001-2005 | Pontiac Aztek |
| 1986 | Pontiac Bonneville |
| 1993-1995 | Pontiac Firebird |
| Attributes | |
| Amazon ASIN | B005H89R7W |
| ASIN | B005H89R7W |
| 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 | Chevrolet V6 200-262, Chevrolet V6 200-262 |
| Engine Make/Size | Chevy Small Block (262-400) |
| 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 | 1.52 |
| Rocker Arm Material | 8650 Chromemoly Steel, 8650 Chromemoly Steel |
| Rocker Arm Ratio | 1.52, 1.52 |
| Rocker Arm Series | Ultra Pro Magnum, Ultra Pro Magnum |
| Rocker Stud Diameter | 7/16, 7/16 |
| SDR Required Flag | N |
| SDS Sheet Number | N/A |
| Stud Size | 7/16 |
| GTIN | 00036584195863 |