🚚 Free Worldwide Shipping on All Orders!Shop Now
Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts
HomeStore

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts

$116.66

Original: $388.88

-70%
Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts—

$388.88

$116.66

The Story

12100-KCY-670, 4606M08800, C7826, 71016-4, 12191-KCY-673,12100-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 400EX, 400X, and XR400R models and years

  • 88mm heavy-duty big bore cylinder
  • 88mm big bore Wiseco 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
  • Talon TITANIUM cylinder head stud kit - LIFETIME WARRANTY*
  • NGK spark plug
  • No case or head mods required
  • Runs on pump or race gas
  • 1-year warranty for your peace of mind*

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

BRAPPPPPPPPPP!

12100-KCY-670, 4606M08800, C7826, 71016-4, 12191-KCY-673,12100-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

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 2

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 3

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 4

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 5

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 6

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 7

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 8

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 9

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 10

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 11

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 12

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 13

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 14

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 15

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 16

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 17

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 18

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 19

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 20

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 21

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 22

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 23

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Honda 400EX 400X 88mm Big Bore Kit +3 Cylinder Piston 426cc Upper Assembly Parts - Image 24

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Description

12100-KCY-670, 4606M08800, C7826, 71016-4, 12191-KCY-673,12100-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 400EX, 400X, and XR400R models and years

  • 88mm heavy-duty big bore cylinder
  • 88mm big bore Wiseco 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
  • Talon TITANIUM cylinder head stud kit - LIFETIME WARRANTY*
  • NGK spark plug
  • No case or head mods required
  • Runs on pump or race gas
  • 1-year warranty for your peace of mind*

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

BRAPPPPPPPPPP!

12100-KCY-670, 4606M08800, C7826, 71016-4, 12191-KCY-673,12100-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