Cloyes Original True Roller Timing Chain Set - SB Ford 841001 600'' exhaust valves with AFR's

600'' exhaust valves with AFR's iron ductile interlocking valve seats

and exhaust system that can reduce a vehicle’s emissions by up to 60%

Each ARP kit includes the correct number of fasteners for your application

1979-1981 GMC K1500Fits all GM TH350 and TH250 automatic transmissions

2001-2001 GMC Sierra 3500

Cloyes Original True Roller Timing Chain Set - SB Ford 841001 600'' exhaust valves with AFR'sChains in Cloyes True Roller Timing Chain Sets use oversize . 250" diameter rollers that roll as the enter and exit the sprocket teeth, reducing friction and increasing power. Cam sprockets are dynamically balanced and made from either 30, 000 PSI tensile cast iron or SAE D7003 ductile iron. Sets also have multi keyway crank sprockets, heat treated for high strength. Cloyes was founded in the early 1920s in Cleveland, Ohio, by Raymond Cloyes, who