Timing Chains and Sprockets

Chevy Small-Block V8 | Timing Chains and Sprockets


12341093	Roller Timing Chain Kit
This heavy-duty timing set is used and recommended by many top NASCAR stock car racing teams. It includes a double-roller chain (P/N 3735411), a steel crankshaft sprocket (P/N 3735413), and an iron camshaft sprocket (P/N 3735412).
Technical Notes: Do not use with 1987 and later engines with hydraulic roller camshafts.


12367600	Front Cover / Plug
This cover / plug is used to cover the hole on the front cover of a 1996 LT4 engine when the distributor is removed and a rear mounted distributor is used.



12370835	Timing Chain Kit "Extreme Duty LT1/LT4"
This extreme duty timing chain kit is for 1995 and newer model "Gen II" LT1 and LT4 engines. To convert 1993 and 1994 engines, you must use camshaft P/N 10224242, distributor P/N 1104032, timing cover P/N 12552426, vac harness P/N 12554395, and vac fitting P/N 14082470. Included in this kit are the following steel gears: water pump gear, a camshaft sprocket, crankshaft sprocket P/N 14088784, and timing chain P/N 14088783. These parts are not the production replacement components, but this roller chain kit is a great performance upgrade. Use with pin drive camshaft only.



12371043	Timing Chain Kit "Single Roller Design"
This special performance single roller design timing chain kit can be used on all 1987 and newer small block engines with roller lifter camshaft, except LT1, LT4, and 1997 and later LS1. This kit is quieter than the double roller chain. This kit includes the following components: camshaft sprocket P/N 12552129, crankshaft sprocket P/N 14088784, chain P/N 14088783, retainer P/N 10168501, retainer P/N 10088128, three bolts P/N 9424877, and two bolts P/N 14093637. Use these components for single service requirements. They will not work on flat tappet camshafts.



12552129	Camshaft Sprocket
Single roller heavy-duty type sprocket for use with the ZZ design 350 High-Output V8 engine.



12554553	Camshaft Dowel Pin




12555885	Camshaft Spocket, LT4
This cam sprocket is used on all LT4 engines and is a true roller design to prevent stretching and decrease friction noises.
Technical Notes: Use with timing chain P/N 12555887 and crank sprocket P/N 12555886.


12555886	Crankshaft Sprocket, LT4
This crankshaft sprocket is used on all LT4 engines and is a true roller design to prevent stretching and decreases friction noises.
Technical Notes: Use with timing chain P/N 12555887 and cam sprocket P/N 12555885.


12555887	Timing Chain, LT4
This timing chain is used on all LT4 engines and is a true roller design to prevent stretching and decrease friction noises.
Technical Notes: Use with cam sprocket P/N 12555885 and crank sprocket P/N 12555886.


14088783	Roller Timing Chain
Single roller heavy-duty type chain for use with ZZ design 350 High-Output V8 engine.



14088784	Crankshaft Sprocket
Single roller heavy-duty type sprocket for use with ZZ design 350 High-Output engine.



9424877	Camshaft Bolt
5/16-18 x 1"