This Transmission has an Aluminum case & top cover with the casting 13-52 , and all Brass synchro rings This kit includes: BEARINGS, SEALS, SNAP RINGS, NEEDLE BEARINGS, WASHERS, BRASS SYNCHRO RINGS SET. No Chinese bearings! FITS 4-SPEED T4 NON WORLD CLASS EQUIPPED GM: '84-'86 1.9L S-BLAZER & JIMMY, '84-'86 1.9L S-10 & S15 PICKUP, '84 2.0L S-BLAZER & JIMMY, '84 2.0L S-10 & S15 PICKUP, '84-'85 2.2L S10 & S15 PICKUP, '85-'87 2.5L S-BLAZER & JIMMY, '84-'87 2.5L S10 & S15 PICKUP, '84-'87 2.8L S-BLAZER & JIMMY, '84-'87 2.8L S10 & S15 PICKUP. FITS T5 NON WORLD CLASS EQUIPPED GM: '83-'86 CAMARO & FIREBIRD 2.5L, '83-'87 CAMARO & FIREBIRD 2.8L & 5.0L, '85-'89 ASTRO VAN 2.5L, '85-'89 SAFARI VAN 2.5L, '87-'89 ASTRO VAN 4.3L, '87-'89 SAFARI VAN 4.3L, '83-'86 S BLAZER & S JIMMY 1.9L, '83-'84 S BLAZER& S JIMMY 2.0L, '84-'85 S JIMMY 2.2L, '85-'87 S BLAZER 2.5L, '84-'93 S JIMMY 2.5L, '83-'89 S BLAZER 2.8L, '83-'93 S JIMMY 2.8L, '82-'86 S10 & S15 PICK UP 1.9L, '83-'84 S10 & S15 PICK UP 2.0L, '84-'85 S10 & S15 PICK UP 2.2L, '84-'92 S10 PICK UP 2.5L, '84-'93 S15 PICK UP 2.5L, '82-'92 S10 PICK UP 2.8L, '82-'93 S15 PICK UP 2.8L. FITS T5 NON WORLD CLASS EQUIPPED FORD: '83-'84 MUSTANG 2.3L & 5.0L, '83-'84 THUNDERBIRD 2.3L. FITS T5 NON WORLD CLASS EQUIPPED MERCURY: '83-'84 CAPRI 5.0L, '83-'84 COUGAR 2.3.