H22A1 2.2 16V DOHC VTEC PGM-FI 2157 200hp@6800rpm 161tq@5500rpm 92-96 Prelude VTEC
H22A 2.2 16V DOHC VTEC PGM-FI 2157 220hp@7200rpm 163tq@6500rpm 97-01 Prelude SiR
H22A4 2.2 16V DOHC VTEC PGM-FI 2157 200hp@7000rpm 156tq@5250rpm 99-01 Prelude
H22A 2.2 16V DOHC VTEC PGM-FI 2157 200hp@7200rpm 163tq@6500rpm 97-01 Prelude Type-S
H22A4 2.2 16V DOHC VTEC PGM-FI 2157 195hp@7000rpm 156tq@5250rpm 97-98 Prelude
H22A1 2.2 16V DOHC VTEC PGM-FI 2157 190hp@6800rpm 158tq@5500rpm 94-96 Prelude VTEC
H23 2.3 16V DOHC PGM-FI 2259 160hp@5800rpm 156tq@4500rpm 93-95 Prelude Type-S
H23A1 2.3 16V DOHC VTEC PGM-FI 2259 160hp@5800rpm 156tq@4500rpm 92-96 Prelude Si
yes, i have too much time on my hands right now.

. and i believe the only prelude with an LSD was the 97 and up type s. i could be wrong. one of those EXTREMELY rare times i'm wrong.haha. jus playin
the ones in red are 5th gen
you'll find the engine code engraved on the front side of engine block right below the distributor.