NOS Kitaco 52mm 88cc LIGHT Piston & Rings Set suitable for use with Z50J 6V, Z50J1, Z50ACompatible with the following cylinder heads: HONDA 6V 50CC CLYINDER HEAD Flat top piston kit compatible with the Kitaco light 88cc 6V kit. REPLACEMENT PISTON KIT FO RLIGHT BIG BORE KIT MAKE SURE OF CORRECT APPLICATION BEFORE PURCHASE. CURRENT 85 88cc PISTON IS 0. 8 0. 8 1. 5 PISTON RING TYPE 75cc IS 1. 0 1. 0 2. 0 PISTN RING 0. 8 0. 8 1. 5 RING TYPE HAS "R" STAMP ON TOP OF PISTON. KITACO BIG BORE KIT LIGHT 88cc F(APPLICATION A) FOR CYLINDER WITH OIL