Wiseco, 1340 Evo B.T. Piston Kit. +.040"

Stock replacement forged piston kit. Stock 8.5:1 compression ratio. Complete with Hastings rings; circlips and wrist pins. Note: Will also fit Evo B.T. models equipped with Screamin' Eagle cylinders heads; which will give a higher 9.5:1 compression ratio.

Fitment: 84-99 Evo Big Twin (NU)

Suitable where the listed fitment matches.