3 groove. (100 pack).
FO140TA | 2.3L / 140 SOHC L4 8V "2,A,B" 3.780" Bore 77-97
FORD
FO281C | 4.6L / 281 SOHC V8 16V "6,9,V,W,X" 90.20mm Bore 91-11
FORD,
LINCOLN,
MERCURY
FO281CB | 4.6L / 281 DOHC V8 32V "R,V" Nat. Asp. 90.20mm Bore 93-04
MERCURY,
FORD,
LINCOLN
MA2302T | 2.3L / 2302 SOHC L4 8V Ford 96.00mm Bore 94-97
MAZDA