The Ultra Pro Magnum Roller Rocker Arms for Chevy V8 265-400 applications take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 7/16" stud diameter and 1.6 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 trunions, 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.
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Catalog


This Part Fits:

Year	Make	Model	Submodel
1980	Buick	Century	Base
1980	Buick	Century	Estate
1980	Buick	Century	Limited
1991-1993	Buick	Commercial Chassis	Base
2005-2007	Buick	LaCrosse	CXS
1980,1986-1987	Buick	Regal	Base
1980-1981,1986-1987	Buick	Regal	Limited
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
1992-1993	Buick	Roadmaster	Base
1991-1993	Buick	Roadmaster	Estate Wagon
1992-1993	Buick	Roadmaster	Limited
2005-2007	Buick	Terraza	CX
2005-2007	Buick	Terraza	CXL
1990-1992	Cadillac	Brougham	Base
1990-1992	Cadillac	Brougham	d'Elegance
1992-1993	Cadillac	Commercial Chassis	Brougham
2004-2007	Cadillac	CTS	Base
2016	Cadillac	CTS	Vsport
2014-2015	Cadillac	CTS	Vsport Premium
1980	Cadillac	Eldorado	Base
1980	Cadillac	Eldorado	Biarritz
1980	Cadillac	Eldorado	Cabriolet
1993	Cadillac	Fleetwood	Base
1993	Cadillac	Fleetwood	Brougham
1980	Cadillac	Seville	Base
1980	Cadillac	Seville	Elegante
2004-2007	Cadillac	SRX	Base
2005-2007	Cadillac	STS	Base
1980-1982	Checker	Marathon	Base
1980-1982	Checker	Marathon	Deluxe
1985-2005	Chevrolet	Astro	Base
1985-1995	Chevrolet	Astro	CL
1985-1995	Chevrolet	Astro	CS
1996-2005	Chevrolet	Astro	LS
1987-2005	Chevrolet	Astro	LT
1994-1999,2005	Chevrolet	Blazer	Base
1992-1993	Chevrolet	Blazer	Cheyenne
1987	Chevrolet	Blazer	Custom Deluxe
1996-2004	Chevrolet	Blazer	LS
1995-2001	Chevrolet	Blazer	LT
1988-1991	Chevrolet	Blazer	Scottsdale
1987-1994	Chevrolet	Blazer	Silverado
1994	Chevrolet	Blazer	Silverado Sport
1999-2001	Chevrolet	Blazer	Trailblazer
2001-2005	Chevrolet	Blazer	Xtreme
2003-2005	Chevrolet	Blazer	ZR2
1980	Chevrolet	C10	Big Ten
1980-1981	Chevrolet	C10	Cheyenne
1981-1986	Chevrolet	C10	Custom
1980	Chevrolet	C10	Custom Deluxe
1981	Chevrolet	C10	Deluxe
1980-1986	Chevrolet	C10	Scottsdale
1980-1986	Chevrolet	C10	Silverado
1981-1986	Chevrolet	C10 Suburban	Custom
1980	Chevrolet	C10 Suburban	Custom Deluxe
1981	Chevrolet	C10 Suburban	Deluxe
1980,1982,1984-1986	Chevrolet	C10 Suburban	Scottsdale
1980,1982-1986	Chevrolet	C10 Suburban	Silverado
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
1992-1995	Chevrolet	C1500 Suburban	Base
1995	Chevrolet	C1500 Suburban	LS
1995	Chevrolet	C1500 Suburban	LT
1992-1994	Chevrolet	C1500 Suburban	Silverado
1980-1981	Chevrolet	C20	Cheyenne
1981-1986	Chevrolet	C20	Custom
1980	Chevrolet	C20	Custom Deluxe
1981	Chevrolet	C20	Deluxe
1980-1986	Chevrolet	C20	Scottsdale
1980-1986	Chevrolet	C20	Silverado
1981-1986	Chevrolet	C20 Suburban	Custom
1980	Chevrolet	C20 Suburban	Custom Deluxe
1981	Chevrolet	C20 Suburban	Deluxe
1980,1982,1984-1986	Chevrolet	C20 Suburban	Scottsdale
1980,1982-1986	Chevrolet	C20 Suburban	Silverado
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
1992-1995	Chevrolet	C2500 Suburban	Base
1995	Chevrolet	C2500 Suburban	LS
1995	Chevrolet	C2500 Suburban	LT
1992-1994	Chevrolet	C2500 Suburban	Silverado
1980-1981	Chevrolet	C30	Cheyenne
1981-1986	Chevrolet	C30	Custom
1980	Chevrolet	C30	Custom Deluxe
1981	Chevrolet	C30	Deluxe
1980-1986	Chevrolet	C30	Scottsdale
1980-1986	Chevrolet	C30	Silverado
1994-1995	Chevrolet	C3500	Base
1988-1995	Chevrolet	C3500	Cheyenne
1988-1992	Chevrolet	C3500	Scottsdale
1988-1995	Chevrolet	C3500	Silverado
1980,1988,1993-1995	Chevrolet	Camaro	Base
1980-1986	Chevrolet	Camaro	Berlinetta
1985-1990	Chevrolet	Camaro	Iroc-Z
1987	Chevrolet	Camaro	LT
1980	Chevrolet	Camaro	Rally Sport
1989-1992	Chevrolet	Camaro	RS
1992	Chevrolet	Camaro	RS Heritage Edition
1981-1987	Chevrolet	Camaro	Sport
1980-1987,1991-1992	Chevrolet	Camaro	Z28
1992	Chevrolet	Camaro	Z28 Heritage Edition
1982	Chevrolet	Camaro	Z28 Indianapolis 500 Pace Car
1986-1992	Chevrolet	Caprice	Base
1980-1996	Chevrolet	Caprice	Classic
1986-1990	Chevrolet	Caprice	Classic Brougham
1981-1982	Chevrolet	Caprice	Classic Estate
1980-1981	Chevrolet	Caprice	Classic Landau
1993-1994	Chevrolet	Caprice	Classic LS
1987-1990	Chevrolet	Caprice	Classic LS Brougham
1991-1993	Chevrolet	Caprice	Classic LTZ
1980	Chevrolet	Caprice	Classic Sport
2015-2016	Chevrolet	Colorado	LT
1988	Chevrolet	Corvette	35th Anniversary Edition
1980-1982,1984-1991	Chevrolet	Corvette	Base
1982	Chevrolet	Corvette	Collector's Edition
1986	Chevrolet	Corvette	Indianapolis 500 Pace Car
1980-1987	Chevrolet	El Camino	Base
1981-1986	Chevrolet	El Camino	Conquista
1980-1981	Chevrolet	El Camino	Royal Knight
1980-1987	Chevrolet	El Camino	SS
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
1983	Chevrolet	G10	Base
1980-1995	Chevrolet	G10	Beauville
1981-1984,1986-1987	Chevrolet	G10	Bonaventure
1980-1995	Chevrolet	G10	Chevy Van
1980-1995	Chevrolet	G10	Sportvan
1980-1995	Chevrolet	G20	Beauville
1983-1984	Chevrolet	G20	Bonaventure
1980-1995	Chevrolet	G20	Chevy Van
1980-1981	Chevrolet	G20	Nomad
1980-1995	Chevrolet	G20	Sportvan
1980-1996	Chevrolet	G30	Beauville
1983-1984	Chevrolet	G30	Bonaventure
1980-1996	Chevrolet	G30	Chevy Van
1980-1996	Chevrolet	G30	Hi-Cube
1980-1996	Chevrolet	G30	Sportvan
1980-1985,2000-2005	Chevrolet	Impala	Base
1981-1982	Chevrolet	Impala	Estate
2006-2007	Chevrolet	Impala	LS
2006-2007	Chevrolet	Impala	LT
2006-2007	Chevrolet	Impala	LTZ
2006-2007	Chevrolet	Impala	Police
1980	Chevrolet	Impala	Sport
1980-1981	Chevrolet	K10	Cheyenne
1981-1986	Chevrolet	K10	Custom
1980	Chevrolet	K10	Custom Deluxe
1981	Chevrolet	K10	Deluxe
1980-1986	Chevrolet	K10	Scottsdale
1980-1986	Chevrolet	K10	Silverado
1981-1986	Chevrolet	K10 Suburban	Custom
1980	Chevrolet	K10 Suburban	Custom Deluxe
1981	Chevrolet	K10 Suburban	Deluxe
1980,1982,1984-1986	Chevrolet	K10 Suburban	Scottsdale
1980,1982-1983,1985-1986	Chevrolet	K10 Suburban	Silverado
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
1992-1995	Chevrolet	K1500 Suburban	Base
1995	Chevrolet	K1500 Suburban	LS
1995	Chevrolet	K1500 Suburban	LT
1992-1994	Chevrolet	K1500 Suburban	Silverado
1980-1981	Chevrolet	K20	Cheyenne
1981-1986	Chevrolet	K20	Custom
1980	Chevrolet	K20	Custom Deluxe
1981	Chevrolet	K20	Deluxe
1980-1986	Chevrolet	K20	Scottsdale
1980-1983,1985-1986	Chevrolet	K20	Silverado
1981-1986	Chevrolet	K20 Suburban	Custom
1980	Chevrolet	K20 Suburban	Custom Deluxe
1981	Chevrolet	K20 Suburban	Deluxe
1980,1982,1984-1986	Chevrolet	K20 Suburban	Scottsdale
1980,1982-1983,1985-1986	Chevrolet	K20 Suburban	Silverado
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
1992-1995	Chevrolet	K2500 Suburban	Base
1995	Chevrolet	K2500 Suburban	LS
1995	Chevrolet	K2500 Suburban	LT
1992-1994	Chevrolet	K2500 Suburban	Silverado