Athena S4F08300007B Piston Kit (290cc Big Bore) (B) - 6.00mm Oversize to 82.96mm, 13.5:1 Compression casual-wear-bags-pouches Fine tune your primary clutch

Fine tune your primary clutch with Venom springs manufactured from high tensile wire to exacting tolerances

Rinses away salt buildup on hulls

1994-1999 KTM 125 SX

Suspended perpendicular from the rest of the cooling stack

Athena S4F08300007B Piston Kit (290cc Big Bore) (B) - 6.00mm Oversize to 82.96mm, 13.5:1 Compression casual-wear-bags-pouches Fine tune your primary clutchBore: 82. 96mm Compression: 13. 5: 1 Compression Sizing: 6. 00mm Oversize All pistons are forged using a precision heat treatment process that allows for production tolerances of just . 005mm. Forged piston kits are available in A, B and C sizing. Forged piston tooling allows for the lightest available product. Kits include antiwear coated piston, rings, pin and circlip. Made in Germany. Vehicle Fitment: 2009 2016 Kawasaki KX250F 2007 2022 Suzuki RM