NOTE: These kits require you to send your cylinder, head , and power valve for porting, plating, and machining. MCB Big Bore kx85 kit Kits are based around your modified cylinder. Please call 810-395-7162 for core availability. Your KX92cc 2-Stroke Big Bore Kit is already ported for the 92cc displacement and requires modifications to your power ...Dennis Kirk has been the leader in Powersports aftermarket parts and accessories since 1969. Over 160,000 unique items in stock & ready to ship today.
Kit 450r 99mm 02-08 Cp Bore Motor Stroker Crf450r 510cc Crf Rebuild Big Hotrods Motor Crf450r Bore Rebuild 02-08 Kit Stroker 99mm Big 510cc 450r Crf Cp Hotrods 02-08 Crf450r See Price 14-15 Yz250f Yzf250 Yz 250f 77m Stock Bore Hotrods Stroker Motor Rebuild Kit 3mm 14-15 Yz250f