Native Racing's 'Big Bore' Piston Kit
![Feb-26-2022-CVMA (Sat) [[cf63580b09]] - Race 4 500 Supersport-350 Supersport - CVR_1577_Feb2622_258PM_CaliPhoto.jpg](https://images.squarespace-cdn.com/content/v1/5cf7120a4241b90001869e33/1657313161702-6BUUI7LEMUPV3ZLKPAGE/Feb-26-2022-CVMA+%28Sat%29+%5B%5Bcf63580b09%5D%5D+-+Race+4+500+Supersport-350+Supersport+-+CVR_1577_Feb2622_258PM_CaliPhoto.jpg)
![Feb-27-2022-CVMA (Sun) [[a3977b6969]] - Race 6 500 Supersport-350 Supersport (Holeshot) - CVR_3457_Feb2722_111PM_CaliPhoto.jpg](https://images.squarespace-cdn.com/content/v1/5cf7120a4241b90001869e33/1657313161557-GFK6AC1U386VCZKS73UH/Feb-27-2022-CVMA+%28Sun%29+%5B%5Ba3977b6969%5D%5D+-+Race+6+500+Supersport-350+Supersport+%28Holeshot%29+-+CVR_3457_Feb2722_111PM_CaliPhoto.jpg)
Native Racing's 'Big Bore' Piston Kit
$499.00
Transform your BMW G310R track bike into a championship winner with Native Racing’s Big Bore Piston Kit.
Part of the R&D out of the MRK2 Superbike project, this piston kit brings the baby BMW to 324cc and 13:1 compression!
The only mod that will open the door to 40+ horsepower for the single cylinder G310R. Will also fit into the G310GS.
Requires honing of cylinder sleeve and NikaSeal coating, not included.
13:1 Compression, up from 10.4:1.
Forged Steel construction, made in California
Includes piston pin, ring set, and head gasket
Utilized OEM head gasket, safe and reliable
Note: Not for sale in CA without compliance waiver