255-0025: HEAD AS-CYL
255-0026: HD GP-CYL BA
255-0027: HEAD GP-CYL
255-0032: HEAD GP-CYL
255-0033: HEAD GP-CY B
255-0897: 17.49mm Outer Diameter Valve Guide
255-2993: 3.3mm Thick Valve Cover Gasket
255-8666: Insert-Valve Seat
085-5694: COVER A
255-8679: 13.80mm Internal Diameter Valve Spring Seat
256-1278: HEAD
256-3830: MECHANISM GP
