PISTON + PIN (1A Series, 4mm Oil Ring) Premium Std

IZUMI = GENUINE ! No. Stamped ME090163. (4mm oil ring) no oil squirter cut out
partners ring set PR2620

Combustion bowl dia: 72.50mm
Combustion bowl depth: 24.40mm
Top ring land 23.00mm from crown of piston
NO oil squirter cut outs
Compression height : 88.10mm
Gudgeon pin Dia : 50.0mm
4 ring piston
1st ring : 3.5mm keystone
2nd ring : 3.0mm flat
rd ring : 3.0mm flat
Oil ring : 4.0mm flat
Crown of piston 2 valve reliefs


Bowl volume = 104.00cc

Note
P2620 suits FV415 From engine #324119> on

For FV415 up to >#324118 OE = ME090141(Crown = ME090139) This supersedes from earlier piston ME062402 (Crown = ME062000) .Both of these pistons use 6mm oil ring . Use P2620 + PR2620 in sets as replacement for these two references.

If nil can use P2691 in sets ONLY

CLE 18/7/11