Hastings, Replacement piston rings, Ironhead XL900
With a stock compression ratio.
Replacement pistons rings for 1957 -1971 900cc Ironhead sportster models. With a STD cylinder bore of 3.00″( 76.20mm )
1st ring: 1.6 mm thick
2nd ring: 1.6 mm thick
oil ring: 4.75 mm thick
Made to original specs and available in STD through 0.80″ oversize.
Sold per set.