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This tensioner constantly keeps proper alignment with it's billet aluminum pivot arm that easily bolts to the side of the tunnel and a ball bearing type sprocket for accurate chain tracking. Chain tensioner zr 120 NOTE: In order to hang the Bank 1 Chain, the Crankshaft has to be rotated so that the Crankshaft Keyway faces straight down and the Triangle Alignment Marks on the Bank 2 controllers point at each other.
