Johnson Engine Technology Big Bore Cylinders. We have been installing ductile iron liners into stock Harley Davidson cylinders for decades. We offer Twin Cam 4” and 4 ⅛” big bore cylinders. Stay tuned for Milwaukee 8 cylinders
Twin Cam cylinders 4” or 4 ⅛” Ductile iron liners installed and honed, set up for 117” or 124” - $595
Twin Cam cylinders Bored and Honed 3 ¾” to 3 ⅞” - $240
Milwaukee 8 Big Bore 4 ¼” ” Ductile Iron Lined Cylinders coming 2/2/2021
CP Forged Milwaukee 8 / Twin Cam Piston sets - $395
Johnson Engine Technology bores and hones all of our cylinders using the factory datum locations, we can ensure that the cylinder bores are centered over the connecting rod centerline every time.
Deglaze and Hone cylinders - $95
Hone Cylinder 0.010” oversize - $145