GS1000 MTC 1085 Big Bore Kit - 73mm MTC Big Bore Kit

Exclusive to us. MTC forged big bore kit for the GS1000. 73mm 1085cc. these are a straight rebore of the stock barrells. The kit is complete with pistons,rings, gudgeon pins , head gasket and circlips.. these pistons give a true 10.50 :1 cr when installed. The wiseco piston, whilst nominally 10.25:1 usually gives around 9.5:1 when installed, sometimes less, i.e same as standard. We have redesigned the MTC Produced SPS kit ,the new design is 15%, 48g lighter and also features a tool steel wrist pin for the ultimate endurance and wear resistance.