Hastings, Replacement piston rings, Ironhead XL1000
With a ( stock ) 9:1 compression ratio.
Replacement pistons rings for 1972 -1985 1000cc Ironhead sportster models. With a STD cylinder bore of 3.187″( 80.96mm )
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 0.70″ oversize.
Sold per set.