Description
The Wiseco ProLite Piston Kit WK1029 is designed for overboring or top end rebuilding of your Kawasaki JS300 or 300SX (1986-1991). This kit includes a forged 77.5mm piston, rings, wrist pin, circlips, and a complete top end gasket set. Forged construction delivers improved tensile strength and durability compared to cast pistons, ensuring reliable performance for vintage watercraft engines. Ideal for restoring power and reliability to your Kawasaki JS300 or 300SX.
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