Cloyes Original True Roller Timing Set - .005" Reduced Center Distance - SB Chevy - 85-Up 305-350 Helmet Anchor 1986-1990 GMC G1500

1986-1990 GMC G1500

1/2 in NPT Female to 3/4 in NPT Male

Right hand thread standard

a straight and 90° male 1/8" NPT to 3/16" inverted flare fittings

1/4 in Hex Shank

Cloyes Original True Roller Timing Set - .005" Reduced Center Distance - SB Chevy - 85-Up 305-350 Helmet Anchor 1986-1990 GMC G1500Chains have oversize . 250" dia. Rollers that actually spin as they enter and exit the sprocket teeth, dynamically balanced cast iron or ductile iron cam sprockets and heat treated, multiple keyway crank sprockets. Cloyes was founded in the early 1920s in Cleveland, Ohio, by Raymond Cloyes, who started the business by manufacturing by hand a small quantity of replacement fiber and aluminum timing gears for trucks and automobiles. Thus began the story