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COMP Cams Rocker Arm CS 1.6 3/8 Ultra Pro

Unlock the full potential of your Chevrolet Small Block or V6 engine with the Ultra Pro Magnum Roller Rocker Arm from COMP Cams. This high-performance rocker arm features a 1.6 ratio and 3/8" stud diameter, making it perfect for applications requiring increased strength and rigidity.

Made from durable 8650 chromemoly steel with a unique black oxide exterior finish, this rocker arm is designed to withstand up to 850 lbs of spring pressure. The arched, web-like design and oversized trunions ensure optimal dynamic balance and reduced moment of inertia.

  • 1.6 ratio and 3/8" stud diameter for increased strength and rigidity
  • Made from durable 8650 chromemoly steel with black oxide exterior finish
  • Optimized retainer and valve spring clearances for use with most diameter springs and retainers
  • Oversized trunions and precision-sorted needle bearings for ultimate performance and dependability

This product fits more vehicles than loaded. Please select your vehicle to see all fits.

Make Model Year Type
Buick Century 1980 Base
Buick Century 1980 Estate
Buick Century 1980 Limited
Buick Commercial Chassis 1991 Base
Buick Commercial Chassis 1992 Base
Buick Commercial Chassis 1993 Base
Buick LaCrosse 2005 CXS
Buick LaCrosse 2006 CXS
Buick LaCrosse 2007 CXS
Buick Regal 1980 Base
Buick Regal 1980 Limited
Buick Rendezvous 2002 CX
Buick Rendezvous 2002 CX Plus
Buick Rendezvous 2002 CXL
Buick Rendezvous 2002 CXL Plus
Buick Rendezvous 2003 CX
Buick Rendezvous 2003 CX Plus
Buick Rendezvous 2003 CXL
Buick Rendezvous 2003 CXL Plus
Buick Rendezvous 2004 CX
Buick Rendezvous 2004 CXL
Buick Rendezvous 2004 Ultra
Buick Rendezvous 2005 CX
Buick Rendezvous 2005 CX Plus
Buick Rendezvous 2005 CXL
Buick Rendezvous 2005 CXL Plus
Buick Rendezvous 2005 Ultra
Buick Rendezvous 2006 CX
Buick Rendezvous 2006 CXL
Buick Rendezvous 2007 CX
Buick Rendezvous 2007 CXL
Buick Roadmaster 1991 Estate Wagon
Buick Roadmaster 1992 Base
Buick Roadmaster 1992 Estate Wagon
Buick Roadmaster 1992 Limited
Buick Roadmaster 1993 Base
Buick Roadmaster 1993 Estate Wagon
Buick Roadmaster 1993 Limited
Buick Terraza 2005 CX
Buick Terraza 2005 CXL
Buick Terraza 2006 CX
Buick Terraza 2006 CXL
Buick Terraza 2007 CX
Buick Terraza 2007 CXL
Cadillac Brougham 1990 Base
Cadillac Brougham 1990 d'Elegance
Cadillac Brougham 1991 Base
Cadillac Brougham 1991 d'Elegance
Cadillac Brougham 1992 Base
Cadillac Brougham 1992 d'Elegance
Cadillac Commercial Chassis 1992 Brougham
Cadillac Commercial Chassis 1993 Brougham
Cadillac CTS 2004 Base
Cadillac CTS 2005 Base
Cadillac CTS 2006 Base
Cadillac CTS 2007 Base
Cadillac Eldorado 1980 Base
Cadillac Eldorado 1980 Biarritz
Cadillac Eldorado 1980 Cabriolet
Cadillac Fleetwood 1993 Base
Cadillac Fleetwood 1993 Brougham
Cadillac Seville 1980 Base
Cadillac Seville 1980 Elegante
Cadillac SRX 2004 Base
Cadillac SRX 2005 Base
Cadillac SRX 2006 Base
Cadillac SRX 2007 Base
Cadillac STS 2005 Base
Cadillac STS 2006 Base
Cadillac STS 2007 Base
Chevrolet Astro 1985 Base
Chevrolet Astro 1985 CL
Chevrolet Astro 1985 CS
Chevrolet Astro 1986 Base
Chevrolet Astro 1986 CL
Chevrolet Astro 1986 CS
Chevrolet Astro 1987 Base
Chevrolet Astro 1987 CL
Chevrolet Astro 1987 CS
Chevrolet Astro 1987 LT
Chevrolet Astro 1988 Base
Chevrolet Astro 1988 CL
Chevrolet Astro 1988 CS
Chevrolet Astro 1988 LT
Chevrolet Astro 1989 Base
Chevrolet Astro 1989 CL
Chevrolet Astro 1989 CS
Chevrolet Astro 1989 LT
Chevrolet Astro 1990 Base
Chevrolet Astro 1990 CL
Chevrolet Astro 1990 CS
Chevrolet Astro 1990 LT
Chevrolet Astro 1991 Base
Chevrolet Astro 1991 CL
Chevrolet Astro 1991 CS
Chevrolet Astro 1991 LT
Chevrolet Astro 1992 Base
Chevrolet Astro 1992 CL
Chevrolet Astro 1992 CS
Chevrolet Astro 1992 LT
COMP Cams manufactures camshafts and other valvetrain components. Products include everything from valve springs and hardware to pushrods, lifters, and even intake manifolds. COMP Cams’ history of producing high quality parts for everything from street cars to Pro Stock and Sprint Cup teams has proven their place in the market. The same technology used to develop parts for NASCAR and NHRA is used in all of their performance parts, down to the very basic street setup.
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