PISTON + PIN (4mm Oil Ring) Premium

IZUMI = OE Alfin (ME052939 on crown of piston)

Partners ring set PR2613
Suits
FV418 All models
KV208 Crane 7/89-3/95

Piston length = 158.20mm
Round combustion bowl Toridial
combustion bowl diameter = 68.40mm
Bowl depth = 25.10mm at lowest point , 14.10mm at highest point (Spec ex Izumi)
Bowl cc = 82.50cc
compression height = 83.10mm
Gudgeon pin daimeter = 50.00mm
Top ring land from crown of piston = 15.70mm
2 x valve reliefs
1 x oil squirter cut out