Sp1 09-808 T-Moly Series Piston Kit - 0.50mm Oversize to 73.50mm body-guards-accessories-disc-guards 2007-2008 KTM 250 XC-F

2007-2008 KTM 250 XC-F

2018-2019 KTM 50 SX Mini

clamping area but taper down to 1in

directly derived from MotoGP

so if you want the cleanest

Sp1 09-808 T-Moly Series Piston Kit - 0.50mm Oversize to 73.50mm body-guards-accessories-disc-guards 2007-2008 KTM 250 XC-FSilicone aluminum alloy construction with teflon and molybdenum coating and hard anodized crown.. Machined smooth heads. MOS 2 Coating:. Draws heat through piston walls and out the bottom. Reduces heat and friction, for added power and longevity. Helps eliminate cold seizures, and increases durability. Hard anodized crowns. Hypereutectic Cast. Vehicle Fitment: 1979 1980 Yamaha EC540 1980 1983 Yamaha SR540 1984 1991 Yamaha SR540 SRV 1988 1991 Yamaha