WISECO PISTON KIT, 8.5:1 +.030 INCH

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.

Fits: > 84-99 1340cc Evo B.T.