89" 3-1/2" Bore Cylinder and Piston Kit For 1984-'99 Big Twins With Stock Cylinder heads and 4-5/8" Stroke Flywheels - Wrinkle Black Finish Headlight-Bucket Removable faceplate

Removable faceplate

Wrinkle black powder coat finish matches stock black engine components

Designed using Finite Element Analysis (FEA)

Fitment: 99-17 Twin Cam & M8 / 16-up FLT Touring & 15-up FLHTCUL/FLHTKL (Will not fit 2019-up M8 Softails)

This completely 3-D profiled design is minimalistic and fluid as you can get

89" 3-1/2" Bore Cylinder and Piston Kit For 1984-'99 Big Twins With Stock Cylinder heads and 4-5/8" Stroke Flywheels - Wrinkle Black Finish Headlight-Bucket Removable faceplateThis 3 1 2" bore cylinder and piston kit can be used to build an 89" stroker engine, or the replace the cylinders and piston in an engine with an existing 89" S&S stroker with stock cylinder heads. The kit contains S&S 3 1 2" bore cylinders, S&S 3 1 2" bore 4 5 8" stroker pistons,