The 100" to 117" cylinder kits are designed to be used with stock Twin CamŽ Harley-DavidsonŽ flywheel sets and engine cases. Kits fit the H-DŽ stock cylinder stud bolt pattern and include JIMS proven VHR technology black or silver cylinders. Pistons are premium forged with rings using .927" pins and JIMS piston jets (if required), per kit size.
Installation requires increasing size of engine case cylinder spigot bores for larger cylinders
When increasing bore size and stroke on bikes 2003 to present TC models, JIMS highly recommends converting the left crankcase bearing to H-DŽ No. 9028 Timken bearing
120" and 124" require JIMS Stroker Flywheels depending on Alpha/Beta and Early/Late application
116" kits are available kitted with cylinders, flywheels and pistons, call for part numbers