BSA B40-B44 piston ring set GPM Standard + Oversizes
Overviewcondition: NOS
made in Italy
Std size = 79 mm + .020" oversize is 79.5 mm +.040"= 80 mm + .060" = 80.5 mm
fits 350 - 440cc singles Width: piston rings 1/16" Oil ring 1/8"
condition: NOS
made in Italy
Std size = 79 mm + .020" oversize is 79.5 mm +.040"= 80 mm + .060" = 80.5 mm
fits 350 - 440cc singles Width: piston rings 1/16" Oil ring 1/8"