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.
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