This is a A-373338R91 Gasket Set, Torque Amplifier PN: 373338R91Main Description As Following : A-373338R91 Gasket Set, Torque Amplifier P.N: 373338R91 A-373338R91 Gasket Set, Torque Amplifier P.N: 373338R91 Replaces: 373338 IH , Crossed From: AM373338R91 , Found in Section & Models : Transmission & Rear Axle > Torque Amplifier Parts, Case-IH TRACTOR: SUPER MTA, Case-IH TRACTOR: 400 FARMALL, Case-IH TRACTOR: 450, Case-IH TRACTOR: 560 Associated Items : New Also A-IH-C-MUSCLES, A-IH-O-SUPMTA, A-IH-P-ACCESSORY, A-IH-P-SUPM, A-IH-S-BRAKEREP, A-IH-S-CARBSPEC, A-IH-S-SUPMTAW6, A-IH-S-TUNEUP, A-MAG-S-317, A-SMIH8, A-FRM-IHOL, A-IH-C-MUSCLES, A-IH-O-ELECTRALL, A-IH-O-ROTCUTFH, A-IH-O-400, A-IH-O-400DSL, A-IH-P-ACCESSORY, A-IH-P-HYDTCH, A-IH-P-IMP300, A-IH-P-400 And : High Quality Afternaket Shipped from Both US and Canada