Twin Cam 106" big bore piston kit. +.010"

Fits 99-06 88" Twin Cam with stock cylinders that have been bored to 3-7/8", and equipped with 4-1/2" stroker flywheels. Gives 9.7:1CR with stock heads. The forged pistons have a flat top, weight is same as stock. 1.020" deck height. Also as replacement for S&S 106" Hot Set-Up kits. Crankcase boring and re-balancing is not required and pistons are compatible with S&S and stock cylinder heads. Complete with pistons, rings, wrist pins and clips.