The 4" big bore cylinder and piston package increases the internal bore from 3-7/8" to 4, without increasing the outside diameter of the cylinder spigot. The cylinder slips into the existing case bore without modification.
Kit will add 7 cubic inches of displacement for more torque throughout the RPM range. The kit includes front and rear cylinders and system-matched pistons with rings. The finished honed size of this bore cylinder is 4.005. The item "Vtwin Black 110 Motorcycle Cylinder Engine Kit for 07-17 Harley Touring Softail" is in sale since Thursday, March 19, 2020.
This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Cylinder Heads & Valve Covers". The seller is "jtscycleparts" and is located in Cobleskill, New York. This item can be shipped worldwide.