The Piston + Ring Set for Isuzu 3KR1 is a high-quality replacement part. Manufactured with premium materials, this piston and ring set is designed to provide optimal performance and durability for your engine. Highlights Engine Model:3KR1 Piston Bore Size:81mm Size:STD 81mm 80x37 Package Include:1 Piston with Pin & Clips & 1 set of Piston Ring Brand:Factorytaiwan Country/Region of Manufacture:Taiwan Manufacturer Part Number:8-94414-745-0