11-9973 103" Twin Cam Flat Top Piston Kit Standard

103 inch Big bore Wiseco flat top standard piston kit has a compression of 9.6:1 with 3-7/8 inch 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.