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






