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- Kit takes your 96" or 103" motor to a full 110 cubic inches without removing the engine from chassis
- 4" Big Bore Cylinder and Piston package increases the internal bore from 3⁷⁄₈" to 4", without increasing the outside diameter of the cylinder spigot
- The cylinder slips into the existing case bore without modification
- Kit will add a whooping 7 cubic inches of displacement for more torque throughout the RPM range
- This kit includes Motorshop front and rear cylinder, system-matched Wiseco Flat Top Forged Piston Kit with rings and gasket kit
- The compression ratio is 10.5:1
- Fits 2007-2017 Twin Cam models
- Replaces OEM: 92500039