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SHIPPING UPDATE: Due to high demand, orders are currently processing in 5-7 business days. Need it faster? Contact us to upgrade to expedited shipping! If you’ve found the item elsewhere or can’t wait, no problem—we completely understand. Just reach out to us, and we’ll cancel your order. Thanks for your patience and support! BRAPPPPPPPPPP!
SHIPPING UPDATE: Due to high demand, orders are currently processing in 5-7 business days. Need it faster? Contact us to upgrade to expedited shipping! If you’ve found the item elsewhere or can’t wait, no problem—we completely understand. Just reach out to us, and we’ll cancel your order. Thanks for your patience and support! BRAPPPPPPPPPP!

BPRATV TRX400EX TRX 400EX Cylinder Wiseco Piston Stock Bore Top End Rebuild Kit

by BPRATV
Save 3% Save 3%
Original price $472.99
Original price $472.99 - Original price $472.99
Original price $472.99
Current price $459.99
$459.99 - $459.99
Current price $459.99

12100-KCY-670, 12191-KCY-672, 13011-KCY-670, 13101-KCY-670, 90601-KA5-000, 13111-KCY-670, 12100-HN1-A70, 12191-KCY-672, 12251-HN1-003, 12391-KCY-671, 14560-KCW-851, 12100-HN1-A70, 12191-KCY-672, 13011-KCY-670, 12100-KCY-670, 4606M08800, C7826, 71016-4, 12191-KCY-673, 13011-KCY-670, 90601-KA5-000, 13103-KCY-67013111-KCY-670, 12251-HN1-003, 12209-KL4-005, 4040, 4606M08700, 4606M08800, 4667M08900, 808829, 808894, 8604DA, H0402027S, M2033

Works on all Honda TRX 400EX, 400X, and XR400R models and years!!

  • BPRATV 85mm Stock Bore Cylinder
  • 85mm Wiseco, JE, CP Carrillo, or Wossner Forged Piston Kit**
  • Nitrite-coated piston rings
  • Chrome wrist pin
  • Circlips
  • Cometic big bore top-end gasket kit
  • MLS big bore head gasket
  • BPRATV HD Replacement Cam Chain
  • Talon TITANIUM cylinder head stud kit - LIFETIME WARRANTY*
  • No case or head mods required
  • Runs on pump or race gas

1-year warranty on the complete kit for your peace of mind*

BPRATV - The Best Parts. The Best Performance. The Best Price.

BRAPPPPPPPPPP!
12100-KCY-670, 12191-KCY-672, 13011-KCY-670, 13101-KCY-670, 90601-KA5-000, 13111-KCY-670, 12100-HN1-A70, 12191-KCY-672, 12251-HN1-003, 12391-KCY-671, 14560-KCW-851, 12100-HN1-A70, 12191-KCY-672, 13011-KCY-670, 12100-KCY-670, 4606M08800, C7826, 71016-4, 12191-KCY-673, 13011-KCY-670, 90601-KA5-000, 13103-KCY-67013111-KCY-670, 12251-HN1-003, 12209-KL4-005, 4040, 4606M08700, 4606M08800, 4667M08900, 808829, 808894, 8604DA, H0402027S, M2033
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