- Newer Wiseco pistons: CP pistons, JE pistons, and Arias pistons with the following ring thicknesses: Top ring:
1mm / 0.039" thick
Alloy steel, Gas nitrided, and barrel faced. 2nd ring: 1.2mm / 0.047" thick
Cast iron, phosphate coated, and taper faced, Napier hood. Oil ring: 2.8mm / 0.110" thick
3 piece assembly, stainless steel flex vent spacer, and gas nitrided rails.
Please do your research BEFORE buying. Verify compatibility, once sold returns will not be accepted. Ring Kits are sold as-is.