Wiseco 86.5mm K-Series K20 Pistons: 9.8:1
Part Number: K631M865
Inside Continental United States
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Will It Fit Your Vehicle?
The Wiseco 9.8:1 pistons are designed for a K20 cylinder head and engine block.
Includes 4 pistons, 4 wrist pins, 4 wrist pin locks, and 4 rings.
Wiseco Sport Compact pistons are made from dedicated forgings produced in-house to give you a light weight piston with superior strength and optimal design. Being the multivalve piston technology leader, the line features specially designed valve pockets, complex dome and crown shapes, the steel nitride/napier xx rings and optimized skirt profiles.