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Fully machined steel crankshaft sprocket with three keyways enabling different settings: -4, 0, or +4 degrees of timingCast camshaft sprocket with Torrington thrust bearing or brass wear shimRoller chain designed with .250" diameter rollersChevrolet kits include a brass wear shim or a captive Torrington bearing

Manley

Manley Performance is a leading manufacturer of high-performance engine components, specializing in valve train parts, pistons, rods, and crankshafts. Known for their precision engineering and use of high-quality materials, Manley products are designed to handle extreme power and performance demands in racing and motorsport applications. Trusted by enthusiasts and professionals worldwide, Manley continues to provide innovative solutions for building high-revving, durable engines that push the limits of performance.

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