No case boring is required, simplifying installation. No case boring required. Kit has a front and rear flat piston. Cylinders are aluminum. Features cast in steel sleeve. Piston Size: 3.5422 Front piston # 10086M09000 Rear Piston -# 10087M09000 Ring # 9000XX (Not available from DK) Cylinder Size: 3.5445.
The kit includes all necessary hardware without the gaskets but I use them from the great James gasket kit PART# 047010 or 17041-92-A
The pistons are from the high quality company WISECO.Everything was easy to handle.
actually since over 500 mls no issues i guess this will last long as expect.