WISECO Forged Pistons. Wiseco Sport Compact pistons are made from dedicated forgings produced in-house to give you a lightweight piston with superior strength and optimal design. Being the multivalve piston technology leader, this line features specially designed valve pockets, complex dome and crown shapes, the steel nitride/Napier rings and optimised skirt profiles. The pistons come standard with the ArmorGlide® coating material for reduced friction and noise, freeing up horsepower. Sold in complete sets with pins and rings.
 
77MM BORE/STD & 8.5 CR - K618M77
 
77.5MM BORE/OVERSIZED & 8.0 CR - K618M775
 
Please note, these are a non-stock special order item and delivery can take 10-15 days.