Hastings, 3-7/16" bore chr/moly piston ring set. STD - 41-E78 1200cc/74" B.T. (excl. Flatheads) (NU) 939104 see the Quick Reference Guide

see the Quick Reference Guide in the back of the FatBook

ROADSIDE PARTS TAILLIGHT CHROME COPPER GRILL

with required connectors

Lamp: rood

Hastings, 3-7/16" bore chr/moly piston ring set. STD - 41-E78 1200cc/74" B.T. (excl. Flatheads) (NU) 939104 see the Quick Reference GuideStd cyl. bore: 3. 4375" (87. 312mm). 1st ring: 1. 6mm. 2nd ring: 1. 6mm. oil ring: 4. 75mm. Tech tip: Piston grooves vs piston rings. It's not difficult to determine if a Hastings piston ring set will fit a certain piston. You should measure the height of the piston groove in the piston itself. The 2 top grooves will be for compression rings, the lower groove will be for the oil ring. In most cases Hastings oil rings are of the low tension 3 piece