Wiseco, 1340 Evo B.T. High Compression Piston Kit. STD

Forged aluminium. Domed 10:1 high compression piston kits include wrist pins; circlips and Hastings rings. Compatible with OEM heads. Note: Pistons will fit stock style Hastings rings with 1.6mm (0.062") top & middle ringlands and 4.0mm oil rings.

Fitment: 84-99 Evo Big Twin (NU)

Suitable where the listed fitment matches.