Cloyes Hex-A-Just True Roller Timing Chain Set - SB Chevy (.005" Shorter) NB100020 From the one-piece sealed housing

From the one-piece sealed housing with a built-in clear sight window to the massive 1

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3 in Round to 3-1/2 x 2-1/8 in Oval

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Cloyes Hex-A-Just True Roller Timing Chain Set - SB Chevy (.005" Shorter) NB100020 From the one-piece sealed housingThe Hex A Just System, a true roller timing chain set, allows timing adjustments down to a fraction of a degree. The Torrington needle thrust bearing reduces friction between the block and cam sprocket. 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 of Cloyes