Topaz FWD L4-140 2.3L HSC (VIN X) (1989)
Valve: Specifications
2.3L/4-140 HSC, 1989-92
Exhaust .................................................................................................................................................................................................................... .377 inch
Intake ....................................................................................................................................................................................................................... .392 inch
2.3L/4-140 HSO, 1989-91
Exhaust .................................................................................................................................................................................................................... .413 inch
Intake ....................................................................................................................................................................................................................... .413 inch