Flat top. 1.514" CH. Hyper. Use R89156 or C89156 rings.
3.0L / 183 OHV V6 12V "1,2,U" Vulcan 89.00mm Bore 86-07
FORD
3.0L / 183 OHV V6 12V "U,V" Vulcan 89.00mm Bore 86-08
FORD
3.0L / 2982 OHV V6 12V "U,V" Ford 8U Vulcan 89.00mm Bore 94-07
MAZDA
FO183C | 3.0L / 183 OHV V6 12V "1,2,U" Vulcan 89.00mm Bore 86-07
FORD,
MERCURY
FO183T | 3.0L / 183 OHV V6 12V "U,V" Vulcan 89.00mm Bore 86-08
FORD
MA2982T/FO | 3.0L / 2982 OHV V6 12V "U,V" Ford 8U Vulcan 89.00mm Bore 94-07
MAZDA