Chevrolet TR-Series

TR Series	Engine	Part Numbers	Adjustments	Notes	Year
163STR Prev 1of1 Next	Small Block V8 350 Small Block V6 4.3Z without balance shaft	S288FR, S289R, 3DR58	Crank +/- 4 degrees	Without hydraulic roller cam	1966 - 1981
168SA-1TR Prev 1of1 Next	Big Block V8 396, 454	S394FR, S395R, 3DR66	Crank +/- 4 degrees		1965 - UP
446HDSTR Prev 1of1 Next	Small Block V8	S634F, S645R, 4SR46	Crank +/- 4 degrees	Without hydraulic roller cam Uses 1/2" pitch single row roller chain with independent seamless rollers	1966 - 1981
710STR Prev 1of1 Next	Big Block V8	S710F, S717R, 4SR50	Crank +/- 4 degrees	Uses 1/2" pitch single row roller chain with independent seamless rollers	1965 - UP
784HDSTR	V6 Small Block 4.3L without balance shaft V8 Small Block 350 engine 8-keyway	S732FR, S645R, 4Sr46	Crank +/- 4 degrees	Small block with hydraulic roller cam except motors with reverse flow cooliing sysstem Uses 1/2" pitch single row roller chain with independent seamless rollers 8-keyways, 4-advances, 3-retarded	1985 - 2002
TR Series	Engine	Part Numbers	Adjustments	Notes	Year