VT No: 11-9973
103" Big bore Wiseco flat top standard piston kit has a compression of 9.6:1 with 3-7/8" bore. Kit includes top end gasket set and pistons that are Armor X coated.
Kit includes Armor X coated pistons. **Note:Run engine at moderate speeds for at least 500 miles, avoiding excessive running in lower gears, in order to properly break-in new pistons and rings.