04-07 Honda CRF250R 250X 78mm Wiseco 13.5:1 Pump Gas Piston Top End Cylinder Kit Grizzly 550 8:1 high compression JE piston

8:1 high compression JE piston boosts horsepower

Engineered for durability

All Gtrade 5 Titanium alloy stud and nut kit

Wiseco or Wossner forged 83mm piston**

BPRATV Complete Top End Gasket Set

04-07 Honda CRF250R 250X 78mm Wiseco 13.5:1 Pump Gas Piston Top End Cylinder Kit Grizzly 550 8:1 high compression JE pistonA CRF250R 0409 78 CG 4852M07800, 10001,A CRF250R 0409 78 CG,P400210100008,P400210100009,P400210160006,12100 KRN 670, 4829M07800, 4852M07800, M2042C, C7185, 71014 4, 14401 KRN 671, HC92RH2015104,, VTKTC22983A, 10001 K01, HC92RH2015104, 31. 1335, CC001, 06113 KRN 700, 06113 KRN 710, 06113 KSC 700, 12100 KRN 672, 12100 KRN 730, 12100 KRN 731, 12100 KRN 732, 12191 KRN 671, 12191 KRN 731, 12251 KRN 671, 12251 KRN 731, 13011 KRN 670, 13011 KRN 850, 13101