Skip to content
OEM & Performance ATV, UTV & Dirt Bike Parts for Yamaha, Honda, Polaris, Can-Am & More — Shipped Fast from BPRATV
OEM & Performance ATV, UTV & Dirt Bike Parts for Yamaha, Honda, Polaris, Can-Am & More — Shipped Fast from BPRATV

Honda TRX400X / XR400 / XR400R

Filters

Save 13% Save %
$459.99
$459.99 - $459.99
$459.99
$398.88
$398.88 - $398.88
$398.88

TRX400EX 400EX 400X XR400 87mm 87 416cc JE Cometic 10.8:1 Cylinder Big Bore Kit

JE Pistons
In stock

1043-2, M2002, M2003, M2001,4606M08700,12100-KCY-670, 4606M08500, C7826, 71016-4, 12191-KCY-673, 30-33750, 13011-KCY-670, 90601-KA5-000, 13103-KCY-...

View full details
$459.99
$459.99 - $459.99
$459.99
$398.88
$398.88 - $398.88
$398.88
Save 13% Save %
Save 28% Save %
$496.85
$496.85 - $496.85
$496.85
$359.36
$359.36 - $359.36
$359.36

TRX400EX TRX 400EX XR400 Kibblewhite Valves Spring Guides Head Rebuild Kit Valve

Kibblewhite Precision
In stock

330-3120,30-3111,30-3115,30-3117,71016-4, 14711-KCY-670, 14721-KCY-670 14411-KCY-670, 14421-KCY-670 14431-KCY-670, 14445-KF0-000 14446-KF0-000, 144...

View full details
$496.85
$496.85 - $496.85
$496.85
$359.36
$359.36 - $359.36
$359.36
Save 28% Save %
Sold out
$97.66
$97.66 - $97.66
$97.66
$86.48
$86.48 - $86.48
$86.48

Honda TRX400EX 400X XR400 Kibblewhite Heavy Duty High Temp Head Studs 30-33750

Kibblewhite Precision
Out of stock

Upgrade your Honda TRX400EX with Kibblewhite heavy duty head studs featuring 180000 PSI alloy steel construction and superior clamping force. Upg...

View full details
$97.66
$97.66 - $97.66
$97.66
$86.48
$86.48 - $86.48
$86.48
Sold out
Save 22% Save %
$44.99
$44.99 - $44.99
$44.99
$34.99
$34.99 - $34.99
$34.99

Honda 400EX XR400 87mm 416cc Big Bore Wiseco Replacement Piston Rings Set 3425XC

Wiseco
In stock

Honda 400EX / 400X / XR400 87mm Wiseco Big Bore Piston Replacement Rings KitPart# 3425XCThese rings are for Wiseco Piston Part #'s 4606M08700, 4628...

View full details
$44.99
$44.99 - $44.99
$44.99
$34.99
$34.99 - $34.99
$34.99
Save 22% Save %
Save 13% Save %
$229.99
$229.99 - $229.99
$229.99
$199.98
$199.98 - $199.98
$199.98

Honda 400EX 400X XR400R OEM Timing Guide Tensioner & Chain Tensioner Cam Chain

Honda OEM
Low stock

FITS ALL HONDA 400EX 400X XR400R MODELS AND YEARSGenuine Honda OEM cam chain guide - OEM Part # 14620-KCY-670Genuine Honda OEM cam chain tensioner ...

View full details
$229.99
$229.99 - $229.99
$229.99
$199.98
$199.98 - $199.98
$199.98
Save 13% Save %
Save 20% Save %
$33.34
$33.34 - $33.34
$33.34
$26.68
$26.68 - $26.68
$26.68

Honda TRX400EX/TRX400X/XR400R 0.027" MLS Cylinder Head Gasket 86mm 85mm OEM Bore

Cometic Gaskets
In stock

Replace your TRX400EX head gasket with Cometic MLS. Fits 85-86mm bore, .027 thickness, durable and high performance. Cometic Honda TRX400EX TRX40...

View full details
$33.34
$33.34 - $33.34
$33.34
$26.68
$26.68 - $26.68
$26.68
Save 20% Save %
Save 20% Save %
$36.00
$36.00 - $36.00
$36.00
$28.81
$28.81 - $28.81
$28.81

Honda TRX400EX 400EX 400X XR400R Valve Keeper Cotters Complete Set 14781-HA0-770

BPRATV
In stock

Honda OEM, 14781-HA0-770, XC110, 519-CVV2220C, Secure your Honda's valvetrain with BPRATV's Valve Keeper Cotters Set of 8! Direct OEM replacement f...

View full details
$36.00
$36.00 - $36.00
$36.00
$28.81
$28.81 - $28.81
$28.81
Save 20% Save %
Save 22% Save %
$369.99
$369.99 - $369.99
$369.99
$288.88
$288.88 - $288.88
$288.88

Honda TRX400EX XR400 85mm 400cc Stock Bore Kit Wiseco Forged Piston Cometic MLS

Wiseco, Cometic Gaskets, BPRATV, Honda TRX400EX 400X XR400R
In stock

4606M08500 / C7825 / 400EX-CYL85, 3P-400, 12100-KCY-670,1043-2, M2002, M2003, M2001,4606M08700,12100-KCY-670, 4606M08500, C7826, 71016-4, 12191-KCY...

View full details
$369.99
$369.99 - $369.99
$369.99
$288.88
$288.88 - $288.88
$288.88
Save 22% Save %
Save 22% Save %
$369.99
$369.99 - $369.99
$369.99
$288.88
$288.88 - $288.88
$288.88

Honda TRX400EX 400X XR400 OEM Stock Bore Kit 85mm Wiseco Piston & Cometic Gasket

BPRATV
In stock

4606M08500 / C7825 / 400EX-CYL85, 3P-400, 12100-KCY-670,1043-2, M2002, M2003, M2001,4606M08700,12100-KCY-670, 4606M08500, C7826, 71016-4, 12191-KCY...

View full details
$369.99
$369.99 - $369.99
$369.99
$288.88
$288.88 - $288.88
$288.88
Save 22% Save %
Save 10% Save %
$444.68
$444.68 - $444.68
$444.68
$398.88
$398.88 - $398.88
$398.88

Honda XR400 TRX 400EX 87mm 416cc Big Bore Top End Rebuild Kit Wiseco 10:1 Piston

BPRATV
In stock

1043-2, M2002, M2003, M2001,4606M08700,12100-KCY-670, 4606M08500, C7826, 71016-4, 12191-KCY-673, 30-33750, 13011-KCY-670, 90601-KA5-000, 13103-KCY-...

View full details
$444.68
$444.68 - $444.68
$444.68
$398.88
$398.88 - $398.88
$398.88
Save 10% Save %
Save 26% Save %
$264.00
$264.00 - $264.00
$264.00
$194.56
$194.56 - $194.56
$194.56

Honda 400EX 400X XR400R Kibblewhite Valves Red Viton Seals Stock Top End Gaskets

Kibblewhite Precision
In stock

30-3115, 30-3117, 30-3111, 30-3115, 71016-4, 71016 14711-KCY-670, 14721-KCY-670, 14411-KCY-670, 14431-KCY-670, 14445-KF0-000, 14446-KF0-000, 14751-...

View full details
$264.00
$264.00 - $264.00
$264.00
$194.56
$194.56 - $194.56
$194.56
Save 26% Save %
Save 13% Save %
$21.77
$21.77 - $21.77
$21.77
$18.88
$18.88 - $18.88
$18.88

Cylinder Head Valve Cover Metal Gasket for Honda TRX 400EX TRX400X 12391-KCY-671

BPRATV
In stock

12391-KCY-671,VC03201,XG119,CRUGVKCY,C7826, C7825, 12251-KCY-671, 12191-KCY-671, 91302-356-000, 18291-MN5-650, 14523-KBB-901, 91301-200-000, 91306-...

View full details
$21.77
$21.77 - $21.77
$21.77
$18.88
$18.88 - $18.88
$18.88
Save 13% Save %
Save 13% Save %
$459.99
$459.99 - $459.99
$459.99
$398.88
$398.88 - $398.88
$398.88

TRX400EX 400EX 400X XR400 87mm Big Bore Cylinder JE Piston & Gaskets Rebuild Kit

JE Pistons
In stock

1043-2, M2002, M2003, M2001,4606M08700,12100-KCY-670, 4606M08500, C7826, 71016-4, 12191-KCY-673, 30-33750, 13011-KCY-670, 90601-KA5-000, 13103-KCY-...

View full details
$459.99
$459.99 - $459.99
$459.99
$398.88
$398.88 - $398.88
$398.88
Save 13% Save %
Save 33% Save %
$59.99
$59.99 - $59.99
$59.99
$39.99
$39.99 - $39.99
$39.99

Honda 400EX 400X XR400 Complete Titanium Left Crankcase Cover Bolts Screws Kit

BPRATV Talon Titanium
In stock

BPRATV - The Original Trailblazer for Titanium Hardware in the ATV Industry. Fits Honda TRX 400EX 400X XR400 All Years!Replaces OEM Part #: 90004-G...

View full details
$59.99
$59.99 - $59.99
$59.99
$39.99
$39.99 - $39.99
$39.99
Save 33% Save %
Save 21% Save %
$139.99
$139.99 - $139.99
$139.99
$110.99
$110.99 - $110.99
$110.99

400EX 400X XR400R Ti Cylinder Head Studs Strongest Heavy Duty Titanium Stud Kit

BPRATV
In stock

FITS ALL HONDA TRX400EX XR400R AND 400X MODELS AND YEARS - BUY IN BULK AND SAVE $$$Complete kit for cylinder headAll titanium stud and nut kitMade ...

View full details
$139.99
$139.99 - $139.99
$139.99
$110.99
$110.99 - $110.99
$110.99
Save 21% Save %
Save 22% Save %
$243.10
$243.10 - $243.10
$243.10
$188.88
$188.88 - $188.88
$188.88

Honda TRX 400EX XR400 Kibblewhite Valve Spring Kit Bronze Valve Guides RED Seals

Kibblewhite Precision
In stock

Complete Kibblewhite Titanium Valve Spring Kit with Bronze Guides and RED Viton Seals for Honda TRX400EX, 400X, and XR400. USA-made performance upg...

View full details
$243.10
$243.10 - $243.10
$243.10
$188.88
$188.88 - $188.88
$188.88
Save 22% Save %
Save 6% Save %
$79.95
$79.95 - $79.95
$79.95
$74.95
$74.95 - $74.95
$74.95

Honda TRX400EX 400X XR400 Hot Cams Cam Chain HC82RH2010112 Hotcams TRX 400EX Cam

BPRATV
In stock

HC82RH2010112,CC004,14401-KCY-671,31.1496,SCA0409SV112Hot Cams, Direct OEM Replacement Cam Chain For Honda XR400R ’96-04 / TRX400EX / X ’99-14 A cr...

View full details
$79.95
$79.95 - $79.95
$79.95
$74.95
$74.95 - $74.95
$74.95
Save 6% Save %
Sold out
$355.95 - $355.95
$355.95
$383.95
$383.95 - $383.95
$383.95

Hot Cams Stage 2 Camshaft Honda TRX400EX 400X XR400R 99–14 Mid Top End Power Cam

Hot Cams
Out of stock

1043-2, 14000-HN1-A70, 14000-HN1-000, 1007-1, 1051-3, 1043-2, 14000-KCY-670, 14000-HN1-A70, 14401-KCY-671, 91002-MN1-671, 91003-KF0-008 💥 Honda T...

View full details
$355.95 - $355.95
$355.95
$383.95
$383.95 - $383.95
$383.95
Sold out
Save 21% Save %
$489.99
$489.99 - $489.99
$489.99
$388.88
$388.88 - $388.88
$388.88

Honda TRX400EX 400X XR400 85mm Top End Rebuild Kit 10:1 CP Piston Cometic Gasket

CP-Carrillo
In stock

400EX-CYL85 M2002 400EX-TEG DPR8Z, 810894, M2003,12100-KCY-670, 4606M08500, C7826, 71016-4, 12191-KCY-673, 13011-KCY-670, 90601-KA5-000, 13103-KCY-...

View full details
$489.99
$489.99 - $489.99
$489.99
$388.88
$388.88 - $388.88
$388.88
Save 21% Save %
Save 20% Save %
$49.95
$49.95 - $49.95
$49.95
$39.98
$39.98 - $39.98
$39.98

Honda TRX 400EX XR400 Wiseco 88mm Piston Rings 3465XC Big Bore 426cc Rebuild Set

Wiseco
In stock

🔥 Honda 400EX / XR400 88mm Wiseco Big Bore Piston Ring Set – 3465XC 🔥 🛠️ Product Overview This listing is for a genuine Wiseco 88mm piston r...

View full details
$49.95
$49.95 - $49.95
$49.95
$39.98
$39.98 - $39.98
$39.98
Save 20% Save %
Save 1% Save %
$538.68
$538.68 - $538.68
$538.68
$533.68
$533.68 - $533.68
$533.68

TRX 400EX 400X XR400R Stage 1 Hot Cams Valves Springs Complete Head Rebuild Kit

Hot Cams
Low stock

1007-1,3P-HRK,14775-KCY-670,90544-KF0-000,91002-MN1-671FITS ALL HONDA TRX400EX, 400X, AND XR400R MODELS AND YEARSStage 1 Hot Cams CamshaftSKF OEM U...

View full details
$538.68
$538.68 - $538.68
$538.68
$533.68
$533.68 - $533.68
$533.68
Save 1% Save %
Save 2% Save %
$418.96
$418.96 - $418.96
$418.96
$408.88
$408.88 - $408.88
$408.88

Honda XR400 XR400R XR 400R Stage One 1 Hotcam Hot Cam Hotcams & Timing Chain BPR

Hot Cams
Low stock

1007-1,1043-2,14000-HN1-A70, 14401-KCY-671, 91002-MN1-671, CC004, HC82RH2010112, 31.1496,SCA0409SV112,91003-KF0-008Brand New Hotcams Stage 1 Camsh...

View full details
$418.96
$418.96 - $418.96
$418.96
$408.88
$408.88 - $408.88
$408.88
Save 2% Save %
Save 8% Save %
$486.10
$486.10 - $486.10
$486.10
$447.50
$447.50 - $447.50
$447.50

Best 400EX 400X XR400 87mm Big Bore Cylinder Piston Kit 416 +2mm Top End Rebuild

BPRATV
In stock

1007-1, M2008, M2003, M2001,4606M08700,12100-KCY-670, 4606M08500, 1043-2,C7826, 71016-4, 12191-KCY-673, 30-33750, 13011-KCY-670, 90601-KA5-000, 131...

View full details
$486.10
$486.10 - $486.10
$486.10
$447.50
$447.50 - $447.50
$447.50
Save 8% Save %
Sold out
$133.78
$133.78 - $133.78
$133.78
$119.89
$119.89 - $119.89
$119.89

Honda 400EX 400X XR400 ProX Valve Rebuild Kit Valves Set KIBBLEWHITE Red Seals

Pro-X
Out of stock

28.1495-2, 28.1495-1,14711-KCY-670,14721-KCY-670,12209-KL4-005,30-3115,30-3117,8400003-2, 8400003-1,VES003,VIS003,X2VEK16000,X2VIK16000Is your Hond...

View full details
$133.78
$133.78 - $133.78
$133.78
$119.89
$119.89 - $119.89
$119.89
Sold out
Save 6% Save %
$834.95
$834.95 - $834.95
$834.95
$788.88
$788.88 - $788.88
$788.88

Honda 400X XR400 XR400R Top End Cylinder 10:1 CP Piston Gaskets Stage 1 Hot Cams

BPRATV
Low stock

1043-2, M2002, M2003, M2001,4606M08700,12100-KCY-670, 4606M08500, C7826, 71016-4, 12191-KCY-673, 30-33750, 13011-KCY-670, 90601-KA5-000, 13103-KCY-...

View full details
$834.95
$834.95 - $834.95
$834.95
$788.88
$788.88 - $788.88
$788.88
Save 6% Save %
Save 28% Save %
$27.49
$27.49 - $27.49
$27.49
$19.89
$19.89 - $19.89
$19.89

TRX 400EX 400X XR400 Stock OEM Hot Cams Camshaft Cam Shaft Bearing 91003-KF0-008

SKF
In stock

WORKS ON ALL HONDA 400EX 400X AND XR400R MODELS AND YEARSSKF OEM Upgrade Aftermarket Camshaft BearingBearing Made in Germany / FranceReplaces Honda...

View full details
$27.49
$27.49 - $27.49
$27.49
$19.89
$19.89 - $19.89
$19.89
Save 28% Save %
Save 28% Save %
$27.49
$27.49 - $27.49
$27.49
$19.86
$19.86 - $19.86
$19.86

TRX 400EX 400X XR400 Stock OEM Hot Cams Camshaft Cam Shaft Bearing 91002-MN1-671

SKF
In stock

WORKS ON ALL HONDA 400EX 400X AND XR400R MODELS AND YEARSSKF OEM Upgrade Aftermarket Camshaft BearingBearing Made in Germany / FranceReplaces Honda...

View full details
$27.49
$27.49 - $27.49
$27.49
$19.86
$19.86 - $19.86
$19.86
Save 28% Save %
Save 25% Save %
$39.99
$39.99 - $39.99
$39.99
$29.98
$29.98 - $29.98
$29.98

Cam Shaft Bearings For Honda TRX400EX TRX 400X XR400 91003-KF0-008 91002-MN1-671

SKF
In stock

WORKS ON ALL HONDA 400EX 400X AND XR400R MODELS AND YEARSSKF OEM Upgrade Aftermarket Camshaft Bearing SetBearing Made in Germany / FranceReplaces H...

View full details
$39.99
$39.99 - $39.99
$39.99
$29.98
$29.98 - $29.98
$29.98
Save 25% Save %
Save 7% Save %
$33.34
$33.34 - $33.34
$33.34
$30.88
$30.88 - $30.88
$30.88

09-14 Honda TRX400X TRX 400EX 400X 87 88mm 89mm Big Bore Cometic MLS Head Gasket

Cometic, Cometic Gasket, Honda TRX 400EX 400X XR400, BPRATV
In stock

Cometic MLS head gasket for Honda TRX400EX, TRX400X, XR400R big bore engines. Supports 87–89mm bores with race-proven sealing. Cometic Honda TRX...

View full details
$33.34
$33.34 - $33.34
$33.34
$30.88
$30.88 - $30.88
$30.88
Save 7% Save %
Save 7% Save %
$33.34
$33.34 - $33.34
$33.34
$30.88
$30.88 - $30.88
$30.88

Honda TRX400EX Sportrax TRX400X 87 88 89 mm Big Bore Cometic MLS Head Gasket USA

Cometic Gaskets
In stock

Cometic MLS head gasket for Honda TRX400EX, TRX400X, XR400R big bore engines. Supports 87–89mm bores with race-proven sealing. Cometic Honda TRX...

View full details
$33.34
$33.34 - $33.34
$33.34
$30.88
$30.88 - $30.88
$30.88
Save 7% Save %
Save 22% Save %
$44.99
$44.99 - $44.99
$44.99
$34.99
$34.99 - $34.99
$34.99

NEW Honda TRX400EX TRX 400EX XR 400X 87mm WISECO Big Bore Piston Rings Set JAPAN

Wiseco
In stock

Honda 400EX / 400X / XR400 87mm Wiseco Big Bore Piston Replacement Rings KitPart# 3425XCThese rings are for Wiseco Piston Part #'s 4606M08700, 4628...

View full details
$44.99
$44.99 - $44.99
$44.99
$34.99
$34.99 - $34.99
$34.99
Save 22% Save %
Save 17% Save %
$46.80
$46.80 - $46.80
$46.80
$38.88
$38.88 - $38.88
$38.88

Honda XR400 XR 400 86 87 88 89 416 440 Big Bore Cometic Top End Gasket Kit C7826

Cometic Gaskets
In stock

C7826, C7825, 12251-KCY-671, 12191-KCY-671, 91302-356-000, 18291-MN5-650, 14523-KBB-901, 91301-200-000, 91306-MG3-000, 91301-679-003, 18291-MN5-650...

View full details
$46.80
$46.80 - $46.80
$46.80
$38.88
$38.88 - $38.88
$38.88
Save 17% Save %
Save 35% Save %
$500.49
$500.49 - $500.49
$500.49
$323.89
$323.89 - $323.89
$323.89

Honda 400EX 400X XR400 Top End Rebuild Kit CP 10:1 Piston Gaskets Cylinder NGK🔥

BPRATV
In stock

Honda 400EX 400X XR400 Top End Rebuild Kit CP 10:1 Piston Gaskets Cylinder NGK🔥 ...

View full details
$500.49
$500.49 - $500.49
$500.49
$323.89
$323.89 - $323.89
$323.89
Save 35% Save %
Save 22% Save %
$500.49
$500.49 - $500.49
$500.49
$388.88
$388.88 - $388.88
$388.88

Honda 400EX 400X XR400 Top End Rebuild Kit CP 11:1 Piston Gaskets Cylinder NGK🔥

BPRATV
In stock

Complete 85mm Stock / Standard Bore Top End Rebuild Kit With CP Carrillo Piston and Cometic GasketsThe best rebuild kit on the market should have a...

View full details
$500.49
$500.49 - $500.49
$500.49
$388.88
$388.88 - $388.88
$388.88
Save 22% Save %
Sold out
$999.99
$999.99 - $999.99
$999.99
$899.98
$899.98 - $899.98
$899.98

TRX400X TRX400EX Wiseco Complete Rebuilt Motor Engine Rebuild Top Bottom End Kit

BPRATV
Out of stock

FITS ALL '05+ 400EX AND 400X ALL YEARS ALL MODELS NEW stock bore after market cylinder CP JE Wiseco or Wossner forged piston* Hi temp piston rings ...

View full details
$999.99
$999.99 - $999.99
$999.99
$899.98
$899.98 - $899.98
$899.98
Sold out
Save 18% Save %
$21.99
$21.99 - $21.99
$21.99
$17.99
$17.99 - $17.99
$17.99

96-04 Honda XR400R 400R RFVC Head Valve Stem Guide Viton RED Seals Seal Set of 4

Kibblewhite Precision
In stock

Boost Your Honda XR400R RFVC's Performance With KPMI® Red Viton Valve Stem SealsKey Features/Benefits: Made from 100% Viton for maximum heat resist...

View full details
$21.99
$21.99 - $21.99
$21.99
$17.99
$17.99 - $17.99
$17.99
Save 18% Save %
Save 32% Save %
$349.99
$349.99 - $349.99
$349.99
$238.88
$238.88 - $238.88
$238.88

99-14 TRX400EX 400EX 400X XR400 89mm 10.8:1 440cc JE Piston Cometic Gaskets Kit

JE Pistons
Low stock

JE 89mm 10.8:1 416cc Big Bore Piston Kit & Cometic Top End Gasket SetFits Honda TRX400EX, TRX400X, and XR400Years 1999 2000 2001 2002 2003 2004...

View full details
$349.99
$349.99 - $349.99
$349.99
$238.88
$238.88 - $238.88
$238.88
Save 32% Save %
Save 8% Save %
$249.99
$249.99 - $249.99
$249.99
$229.99
$229.99 - $229.99
$229.99

400EX 400X XR400R Ti Cylinder Head Case Studs Complete Top End Titanium Stud Kit

BPRATV Talon Titanium
In stock

FITS ALL HONDA TRX400EX XR400R AND 400X MODELS AND YEARS - BUY IN BULK AND SAVE $$$Complete kit for cylinder to cases and cylinder headAll titanium...

View full details
$249.99
$249.99 - $249.99
$249.99
$229.99
$229.99 - $229.99
$229.99
Save 8% Save %
Save 35% Save %
$207.89
$207.89 - $207.89
$207.89
$134.44
$134.44 - $134.44
$134.44

Honda XR400 XR 400R OEM Stock Head Kibblewhite Intake Exhaust Valves Seals 96-04

Kibblewhite Precision
In stock

The Kibblewhite Performance OEM/Stock Size Replacement Valves for your Honda XR400R are an exhaust-upgrading must-have! This complete 4-valve set f...

View full details
$207.89
$207.89 - $207.89
$207.89
$134.44
$134.44 - $134.44
$134.44
Save 35% Save %
Save 20% Save %
$33.34
$33.34 - $33.34
$33.34
$26.68
$26.68 - $26.68
$26.68

09-14 Honda TRX400X TRX 400EX 400X 85mm OEM Stock Bore Cometic MLS Head Gasket

Cometic Gaskets
In stock

High-quality Cometic MLS gasket for Honda 400EX TRX400X XR400R. Built for stock bore engines with precision sealing. Cometic Honda TRX400EX TRX40...

View full details
$33.34
$33.34 - $33.34
$33.34
$26.68
$26.68 - $26.68
$26.68
Save 20% Save %
Save 20% Save %
$33.34
$33.34 - $33.34
$33.34
$26.68
$26.68 - $26.68
$26.68

TRX400X TRX 400X 85mm OEM Stock Bore Cometic MLS Head Gasket USA 12251-HN1-A41

Cometic Gaskets
In stock

Cometic MLS gasket for Honda TRX400EX TRX400X XR400R. Stock bore fitment, 3-layer design, improved engine sealing. Cometic Honda TRX400EX TRX400X...

View full details
$33.34
$33.34 - $33.34
$33.34
$26.68
$26.68 - $26.68
$26.68
Save 20% Save %
Save 22% Save %
$243.10
$243.10 - $243.10
$243.10
$188.88
$188.88 - $188.88
$188.88

Kibblewhite Top End Spring Guide Seal Kit Honda TRX400EX 400X XR400 Performance!

Kibblewhite Precision
In stock

Complete Kibblewhite Titanium Valve Spring Kit with Bronze Guides and RED Viton Seals for Honda TRX400EX, 400X, and XR400. USA-made performance upg...

View full details
$243.10
$243.10 - $243.10
$243.10
$188.88
$188.88 - $188.88
$188.88
Save 22% Save %
Sold out
$349.99
$349.99 - $349.99
$349.99
$218.88
$218.88 - $218.88
$218.88

Wiseco 88mm Big Bore Cylinder Piston & Cometic Gasket Kit Honda 400EX 400X XR400

Wiseco
Out of stock

4628M08800, C7826, 4606M08800, 8604D300, 4606M08800, 177240, 177239, Upgrade your Honda 400EX, 400X, or XR400R with this Wiseco 88mm 426cc Big Bore...

View full details
$349.99
$349.99 - $349.99
$349.99
$218.88
$218.88 - $218.88
$218.88
Sold out
Sold out
$349.99
$349.99 - $349.99
$349.99
$218.88
$218.88 - $218.88
$218.88

Wiseco 87mm 11:1 416 Big Bore Piston + Cometic Top Gasket Kit Honda 400EX XR400R

Wiseco
Out of stock

4628M08700, C7826, 4606M08700, M2001, 133889, Upgrade your Honda 400EX, 400X, or XR400R with this Wiseco 87mm 416cc Big Bore Piston & Cometic G...

View full details
$349.99
$349.99 - $349.99
$349.99
$218.88
$218.88 - $218.88
$218.88
Sold out
Sold out
$349.99
$349.99 - $349.99
$349.99
$218.88
$218.88 - $218.88
$218.88

416cc Big Bore Wiseco 87mm Piston & Cometic Gasket Kit Honda TRX400EX 400X XR400

Wiseco
Out of stock

4628M08700, C7826, 4606M08700, M2001, 133889, Upgrade your Honda 400EX, 400X, or XR400R with this Wiseco 87mm 416cc Big Bore Piston & Cometic G...

View full details
$349.99
$349.99 - $349.99
$349.99
$218.88
$218.88 - $218.88
$218.88
Sold out
Save 20% Save %
$136.86
$136.86 - $136.86
$136.86
$108.88
$108.88 - $108.88
$108.88

Honda XR400 XR 400 400EX Kibblewhite Head Intake Exhaust Valve Guides RED Seals

Kibblewhite Precision
In stock

30-3120, 30-3111, 30-3115, 30-3117, MRS16, 30-3120, 71016-2, 12231-KF0-305,12209-KL4-005 🔥 Honda XR400R 400EX 400X Kibblewhite Head Saver Valve G...

View full details
$136.86
$136.86 - $136.86
$136.86
$108.88
$108.88 - $108.88
$108.88
Save 20% Save %
Save 20% Save %
$136.86
$136.86 - $136.86
$136.86
$108.88
$108.88 - $108.88
$108.88

Honda 400EX 400X XR400 Kibblewhite Head Saver Intake Exhaust Valve Guides Seals

Kibblewhite Precision
In stock

30-3120, 30-3111, 30-3115, 30-3117, MRS16, 30-3120, 71016-2, 12231-KF0-305,12209-KL4-005 🔥 99-14 Honda 400EX 400X Kibblewhite Head Saver Valve Gu...

View full details
$136.86
$136.86 - $136.86
$136.86
$108.88
$108.88 - $108.88
$108.88
Save 20% Save %
Save 20% Save %
$53.99
$53.99 - $53.99
$53.99
$43.19
$43.19 - $43.19
$43.19

TRX400EX XR400 400X Honda Valve Keepers Cotters with Kibblewhite Red Viton Seals

Kibblewhite Precision
In stock

Secure your Honda's valvetrain with this Complete Kit! Includes 8 Valve Keepers (14781-HA0-770) & 4 Kibblewhite RED Viton Seals (12209-422-005,...

View full details
$53.99
$53.99 - $53.99
$53.99
$43.19
$43.19 - $43.19
$43.19
Save 20% Save %

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare