DNJ Engine Rebuild Kit Includes: Full Gasket Sets,Main Bearings Set,Piston Set,Piston Ring Set,Rod Bearings Set,Thrust Washer Engine Designation: B21A1 Brief Fitment Information: [1990-1991] Honda Prelude 2.1L L4 DOHC 16V Part Warranty: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.