96" to 103" big bore pop-up piston kit. Std

Fits 07-17 96" Twin Cam models as a 96" to 103" conversion. Compatible with stock 4-3/8" 96" stroke. Stock cylinders must be bored to 3-7/8" big bore, other modifications not required. The forged pistons have a 5cc pop-up dome, weight is same as stock. 10.1:1CR with stock heads. 1.270" deck height. Crankcase boring and re-balancing is not required and pistons are compatible with S&S and stock cylinder heads. Complete with rings, wrist pins and clips.