Page 227 of GM Performance Parts 2006 Catalog by GM Parts Direct

Timing Chain, 502 (second design Gen VI) B Camshaft Bolt C Timing Chain Kit, 502 (second design Gen VI) A 225 TIMING CHAINS SPROCKETS The timing chain is the vital link for engine timing between the crankshaft and camshaft. GM Performance Parts timing chains and sprockets deliver strength and accuracy for many miles of dependable service. A. 12371053 Timing Chain Kit, 502 (second design Gen VI) Heavy-duty timing chain kit for all second-design 502 Gen VI roller-lifter engines with aluminum front timing cover. Kit includes chain P/N 10114177, crankshaft sprocket P/N 12550039, camshaft sprocket P/N 12551401, camshaft retainer and bolts. Also used in 572. B. 10114177 Timing Chain, 502 (second design Gen VI) Single-roller design for all second-design 502 Gen VI engines. Use with crankshaft sprocket P/N 12550039 and camshaft sprocket P/N 12551401. 12554553 Camshaft Dowel Pin (not shown) C. 9424877 Camshaft Bolt 5/16-18 x 0.75" bolt. 3975949 Shim (not shown) Camshaft sprocket shim, 0.10" thick.

[close]