K133 Yamaha RD350/RD400 73-75 Wiseco Piston Kit – 66.00 MM Bore ring groove and pin bore

ring groove and pin bore resists potential wear

00mm Bore TIN Coated

From compression and sealing to oil control

GP Series 2-stroke pistons are up to the challenge

00 mm Inner Diameter

K133 Yamaha RD350/RD400 73-75 Wiseco Piston Kit – 66.00 MM Bore ring groove and pin boreWiseco 2 Stroke Forged Series Piston Kit, 66. 00 mm Bore Wisecos legacy is rooted in 2 stroke piston manufacturing and performance, dating over 80 years ago back to 1941. Today, Wiseco 2 stroke pistons are the result of decades of experience, incorporating the latest in 2 stroke piston manufacturing and design to deliver the performance Wiseco built its name on. Engineered, forged, and machined in the USA in Mentor, OH Designed and built for each