Includes: Seals, O-Rings, Adapter Gasket, Small Parts, Fork Inserts, Planet Washers, Main roller bearings, Caged needle bearings, Chain. The NP231 case can have either the 1.00" wide chain or the 1.25" wide chain. This kit includes the 1.00" Wide / 62 Pitches / Round Pin Chain. FITS FOR CHEVY BLAZER & GMC JIMMY: 6 CYL 4.3L 1995 - 1997 - 5spd, NP 231 (aluminum case, chain driven, 16MM wide input bearing (6010-N). CHEVROLET S10 & GMC S15 - Series compack trucks: 6 CYL 4.3L 1995 - 1997 - 5spd, NP 231 (aluminum case, chain driven, 16MM wide input bearing (6010-N). FITS FOR DODGE 100, 150, 200, 250, 300, 350, 1500, 2500, 3500 (Series Light Trucks): 8 CYL 5.2L 1994 - 2001 - 5spd, NP 231 (aluminum case, chain driven, 16MM wide input bearing). 8 CYL 5.9L 1994 - 2001 - 5spd, NP 231 (aluminum case, chain driven, 16MM wide input bearing). FITS FOR DODGE DAKOTA: 6 CYL 3.9L 1994 - 2000 - 5spd, NP 231 (aluminum case, chain driven, 16MM wide input bearing). 8 CYL 4.7L 2000 - 5spd, NP 231 (aluminum case, chain driven). 8 CYL 5.2L 1994 - 1999 - 5spd, NP 231 (aluminum case, chain drive). FITS FOR DODGE DURANO: 6 CYL 3.9L 1998 - 1999 - 5spd, NP 231 (aluminum case, chain driven). 8 CYL 5.2L 1998 - 2000 - 5spd, NP 231 (aluminum case, chain driven). 8 CYL 5.9L 1998 - 2003 - 5spd, NP 231 (aluminum case, chain driven).