Manley Performance SB Chevy LS-1 Billet w/ Torrington Bearin & 9 Keyway Crankshaft Sprock

- Fully machined billet steel camshaft and crankshaft sprockets

- Roller chain designed with .250" diameter rollers

- Nine keyway crankshaft sprocket enabling either 0°, or +/- 2°, +/- 4°, +/- 6°, +/- 8° of timing

- Camshaft sprockets are machined for and include a captive Torrington thrust bearing

- Chain 76233

- Torrington 42419