Polaris XP 1000 - Includes 4340 billet crank, 78mm stroke, Pro625+ rods (4.921" c-to-c), custom CP or JE pistons (choice of bore/compression).
| Crank # | BC5901 - 78mm (180° pin) |
| Rod # | BC6902 - 4.921" |
| Piston # | BC7901 / BC7902 - Custom |
The BC stroker kit for the Polaris XP 1000 engine platform incorporates a 78mm (+4mm) stroke in the OEM 180° crank pin configuration. Depending on bore size that you decide, the BC kit will take you up to a 1065cc with stock 93mm bore or a whopping 1180cc with the big bore 98mm configuration. As usual, each BC kit features your choice of custom CP, JE or BME aluminum forged pistons, 5100 series wrist pins (9310 pins available upon request for big HP applications), locks and complete ring pack. Available in any desired bore and compression ratio.
- BC 4340 steel billet crankshaft (78mm stroke) w/OEM 180° crank pin.
- BC 4340 steel ProH2K, Pro625+ or Carrillo connecting rods.
- CP, JE or BME aluminum forged pistons (any bore size, any compression ratio).
- 5100 Series carbon steel alloy wrist pins. 9310 Series pin upgrade available.
- Ductile iron plasma top rings, tapered second ring, low tension oil rings.
- Fully system balanced and ready to install. (50% deposit required)
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