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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

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$41.99
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Honda 400EX 400X XR400R Exhaust Studs Titanium Head Pipe Stud Upgrade Kit Set

BPRATV Talon Titanium
In stock

FITS ALL HONDA TRX400EX XR400R AND 400X MODELS AND YEARS Studs for all OEM and aftermarket exhaust systems All titanium stud and nut kit Made from ...

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$486.10
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$486.10
$447.50
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$447.50

Honda TRX 400EX XR400R 87mm Big Bore Kit +2mm Cylinder 416cc Top End Rebuild Kit

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-...

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$447.50
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$447.50
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$742.64 - $742.64
$742.64
$760.74
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$760.74

400EX 400X XR400 89m 440 Big Bore Kit Stage 3 Hotcam 1051-3 Cam Top End Redo Kit

BPRATV
In stock

Complete Honda TRX400EX 440 big bore kit with 89mm cylinder, Stage 3 cam, forged piston, titanium head studs, Cometic gaskets and heavy-duty cam ch...

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$760.74
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$760.74
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$49.99
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$34.99
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$34.99

TRX 400EX 400X XR400 Cam Timing Chain Heavy Duty Conversion Bigger Upgrade Honda

BPRATV
In stock

BPRATV'S Talon Heavy Duty Timing Chain Upgrade for Honda 400EX, 400X, XR400 – Superior Strength & Durability Upgrade your Honda 400EX, 400X, or...

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$34.99
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$21.99
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$17.99
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$17.99

TRX400EX 400EX 400X XR400 Kibblewhite Viton Valve Stem Seals Seal Set of 4 Four

Kibblewhite Precision
In stock

Fits Honda 400EX, XR400R, 400X All Years, and many many more vehicles! The best on the market is a complete set of Kibblewhite RED Viton valve stem...

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$49.99
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$29.88
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$29.88

Honda TRX 400EX XR 400X Sportrax 400 85mm 10:1 Aftermarket Stock Bore Piston Kit

BPRATV
Out of stock

12100-KCY-670, 4606M08500, C7825, 12191-KCY-673, 13011-KCY-670, 90601-KA5-000, 13103-KCY-670, 13111-KCY-670, 12251-HN1-003, PK1031,Affordable 85mm ...

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$34.99
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$34.99

TRX 400EX 400X Valves Intake Exhaust Sportrax XR400R Aftermarket Valve Seals Kit

BPRATV
In stock

TRX 400EX 400X Valves Intake Exhaust Sportrax XR400R Aftermarket Valve Seals Kit ...

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$1,147.48
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$1,147.48
$840.12
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$840.12

Honda 400EX 400X XR400R Assembled Cylinder Head Camshaft HD Cam Chain & Bearings

BPRATV
Out of stock

Honda 400EX 400X XR400R Assembled Cylinder Head Camshaft Performance Kit Honda 400EX 400X XR400R Assembled Cylinder Head Camshaft HD Cam Chain K...

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$1,147.48
$840.12
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$840.12
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$486.10
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$486.10
$424.44
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$424.44

400EX 400X XR400 88mm Big Bore Kit +3 Cylinder 426 Top End Rebuild Redo Parts

BPRATV
Out of stock

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, ...

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$486.10
$424.44
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$424.44
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$199.98
$199.98 - $199.98
$199.98
$127.99
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$127.99

400EX XR400R Titanium Cylinder Studs Head Studs Crankcase Cylinder Head Stud Kit

BPRATV Talon Titanium
In stock

BPRATV - The Original Trailblazer for Titanium Hardware in the ATV Industry.  Fits Honda TRX400EX & XR400X All Years & Models Kit includ...

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$199.98
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$127.99
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$127.99
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$51.99
$51.99 - $51.99
$51.99
$39.99
$39.99 - $39.99
$39.99

Honda 400EX 400X XR400R Exhaust Studs Titanium Head Pipe Gaskets Upgrade Kit Set

BPRATV Talon Titanium
Out of stock

Give your Honda 400EX 400X XR400R a performance upgrade with this complete exhaust stud and gasket kit that boosts horsepower and saves weight.Key ...

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$51.99
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$39.99
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$39.99
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$699.99 - $699.99
$699.99
$799.98
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$799.98

TRX400EX TRX 400X XR400 87mm Big Bore 11:1 High Comp Piston Stage 2 Hot Cams Kit

BPRATV
Out of stock

Complete Honda TRX400EX 416cc big bore rebuild kit with 87mm piston, Stage 2 camshaft, Cometic gaskets, and upgraded components for maximum perform...

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$699.99 - $699.99
$699.99
$799.98
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$46.80
$46.80 - $46.80
$46.80
$38.88
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$38.88

Honda TRX 400EX XR400 400X 416 440 Cometic Top End Gasket Kit C7826 89mm MLS USA

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...

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$46.80
$38.88
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$38.88
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$369.99
$369.99 - $369.99
$369.99
$288.88
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$288.88

Honda TRX400EX XR 400X Top End Rebuild Repair Kit Wiseco Piston Gaskets Cylinder

Wiseco, Cometic, JE, CP, BPRATV, Honda XR400R XR 400R
Out of stock

12100-KCY-670, 4606M08500, C7825, 12191-KCY-673, 13011-KCY-670, 90601-KA5-000, 13103-KCY-670, 13111-KCY-670, 12251-HN1-003, PK1031Complete Standard...

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$369.99
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$369.99
$288.88
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$288.88
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$149.99
$149.99 - $149.99
$149.99
$108.88
$108.88 - $108.88
$108.88

Best Honda TRX 400EX 400X XR400 Head Bolts Studs TITANIUM Cylinder Head Stud Kit

BPRATV Talon Titanium
In stock

3PHD, 30-33750, 90085-KCY-670, 90083-KG0-981BPRATV TALON TITANIUM Extreme Heavy Duty Cylinder Head Stud KitHonda 400EX, 400X, & XR400R Years 19...

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$149.99
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$149.99
$108.88
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$108.88
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Save 35% Save %
$207.38
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$207.38
$134.44
$134.44 - $134.44
$134.44

400EX 400X XR400 Kibblewhite Valves Valve Seals Black Diamond Intake Exhaust Kit

Kibblewhite Precision
In stock

FITS ALL HONDA 400EX 400X AND XR400R MODELS AND YEARS!! Kibblewhite Black Diamond kit Stainless steel one-piece valve construction MADE IN USA Std ...

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$207.38
$207.38 - $207.38
$207.38
$134.44
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$134.44
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$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 Performance 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...

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$355.95
$383.95
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$383.95
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$603.90
$603.90 - $603.90
$603.90
$415.76
$415.76 - $415.76
$415.76

TRX 400EX XR 400X Crank Bearings Hotrods Replacement Crankshaft Main Bearing Kit

BPRATV
In stock

Hot Rods Crank, 4040, 13000-MBV-730,4040,K014,91001-KF0-018,13000MBV730,91001KF0018Premium Hot Rods Crankshaft & SKF Main Bearing Kit for Honda...

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$603.90
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$603.90
$415.76
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$415.76
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$21.77
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$21.77
$18.88
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$18.88

Honda TRX400EX/TRX400X/XR400R Metal Valve Cover Gasket OEM 12391‑KCY‑671 '99‑14

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-...

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$21.77
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$21.77
$18.88
$18.88 - $18.88
$18.88
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$49.95
$49.95 - $49.95
$49.95
$39.98
$39.98 - $39.98
$39.98

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

BPRATV
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...

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$39.98
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$39.98
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Save 18% Save %
$21.99
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$21.99
$17.99
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$17.99

TRX400EX 400EX 400X XR400R Kibblewhite Viton Valve Stem Seals Seal Set of 4 Four

Kibblewhite Precision
In stock

Fits Honda 400EX, XR400R, 400X All Years, and many many more vehicles!The best on the market is a complete set of Kibblewhite RED Viton valve stem ...

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$21.99
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$21.99
$17.99
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$17.99
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$299.99
$299.99 - $299.99
$299.99
$268.88
$268.88 - $268.88
$268.88

TRX 400EX 400X XR 400R Stock Cylinder Piston Top End Rebuild Kit Performance Cam

BPRATV, SKF, Talon, Honda TRX400EX TRX 400EX 400X XR400R
Low stock

4606M08500, C7825, 1051-3, 12100-KCY-670, 71016-4,4667M08900, 1043-2, C7826, 1051-3, 12100-KCY-670, 71016-4, 13111-KCY-670, 4606M08500, C7826, 7101...

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$299.99
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$299.99
$268.88
$268.88 - $268.88
$268.88
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Save 28% Save %
$51.46
$51.46 - $51.46
$51.46
$36.99
$36.99 - $36.99
$36.99

Honda 400EX XR400 85mm 85 Stock Bore Wiseco Piston Replacement Rings Set 3347XC

Wiseco
In stock

Honda 400EX / 400X / XR400 85mm Wiseco Piston Replacement Rings KitPart# XC8500 / 3347XCFITS ONLY Wiseco Piston Part #'s 4606M08500, 4628M08500, 42...

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$51.46
$36.99
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$36.99
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$355.95 - $355.95
$355.95
$383.95
$383.95 - $383.95
$383.95

Honda TRX400EX 400X XR400 Stage 2 Hotcams Hot Cams Camshaft Stage II Two Upgrade

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...

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$355.95
$383.95
$383.95 - $383.95
$383.95
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$124.99
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$124.99
$88.88
$88.88 - $88.88
$88.88

TRX 400EX 400X XR400 Ti Cylinder Case Studs 90085-KCY-670 TITANIUM Stud Bolt Kit

BPRATV
In stock

BPRATV - The Original Trailblazer for Titanium Hardware in the ATV Industry. FITS ALL HONDA TRX400EX, 400X, AND XR400R MODELS AND YEARSTHESE STUDS ...

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$124.99
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$124.99
$88.88
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$88.88
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$418.74
$418.74 - $418.74
$418.74
$399.98
$399.98 - $399.98
$399.98

TRX400EX TRX 400X XR 400R 400EX Stage 2 Two Hotcam Hot Cam Camshaft Timing Chain

Hot Cams
Out of stock

Honda 400EX 400X XR400R Stage 2 Hotcam + BPRATV HD Chain kit delivers increased top-end power, stronger reliability, and direct bolt-on fitment. ...

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$418.74
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$418.74
$399.98
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$399.98
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$1,299.99
$1,299.99 - $1,299.99
$1,299.99
$999.98
$999.98 - $999.98
$999.98

Honda 400EX XR400R Cylinder Head Assembly Top End Rebuild Kit Valves Rocker Arms

BPRATV
Out of stock

Complete Top End Rebuild Kit with New Assembled Cylinder Head NEW after market 85mm, stock bore cylinder Wiseco or Wossner forged piston** Nitrite ...

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$1,299.99
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$1,299.99
$999.98
$999.98 - $999.98
$999.98
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$355.95 - $355.95
$355.95
$383.95
$383.95 - $383.95
$383.95

Honda TRX400EX 400X XR400 Hot Cams Stage 2 Two Camshaft Mid Top End Power Boost!

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...

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$355.95
$383.95
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$383.95
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$124.99
$124.99 - $124.99
$124.99
$89.88
$89.88 - $89.88
$89.88

400EX 400X XR400R Ti Cylinder Case Studs Titanium Crankcase Stud Upgrade Kit Set

BPRATV Talon Titanium
In stock

BPRATV - The Original Trailblazer for Titanium Hardware in the ATV Industry. THESE STUDS ARE TO MOUNT THE CYLINDER ON TO THE CASES.  THEY ARE NOT H...

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$124.99
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$124.99
$89.88
$89.88 - $89.88
$89.88
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Save 21% Save %
$529.00
$529.00 - $529.00
$529.00
$417.77
$417.77 - $417.77
$417.77

Honda XR400 XR 400EX 89mm 89 440 Big Bore Top End Rebuild Kit Cylinder Wiseco

BPRATV
In stock

4667M08900, 8604D400, 247612, M2033, 1043-2, M2008, M2003, M2001,4606M08700,12100-KCY-670, 4606M08500, C7826, 71016-4, 12191-KCY-673, 30-33750, 130...

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$529.00
$529.00 - $529.00
$529.00
$417.77
$417.77 - $417.77
$417.77
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Save 21% Save %
$529.00
$529.00 - $529.00
$529.00
$417.77
$417.77 - $417.77
$417.77

Honda XR400R XR 400EX 89mm 89 440cc Big Bore Top End Rebuild Kit Cylinder Wiseco

BPRATV
In stock

4667M08900, 8604D400, 247612, M2033, 1043-2, M2008, M2003, M2001,4606M08700,12100-KCY-670, 4606M08500, C7826, 71016-4, 12191-KCY-673, 30-33750, 130...

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$529.00
$529.00 - $529.00
$529.00
$417.77
$417.77 - $417.77
$417.77
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$21.77
$21.77 - $21.77
$21.77
$18.88
$18.88 - $18.88
$18.88

1996-2014 Honda Cylinder Head Valve Cover Gasket XR400R TRX 400X TRX400EX 400EX

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-...

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$21.77
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$21.77
$18.88
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$18.88
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$480.78
$480.78 - $480.78
$480.78
$424.44
$424.44 - $424.44
$424.44

TRX 400EX 400X XR400 88mm Big Bore Cylinder 13:1 JE Piston & Gaskets Rebuild Kit

JE Pistons
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-...

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$480.78
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$480.78
$424.44
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$424.44
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$999.99
$999.99 - $999.99
$999.99
$699.98
$699.98 - $699.98
$699.98

99-08 Honda Sportrax 400 TRX400X TRX400EX Completely ASSEMBLED Cylinder Head Kit

BPRATV
In stock

>14711-KCY-670, 14721-KCY-670 14411-KCY-670, 14431-KCY-670, 14445-KF0-000 14446-KF0-000, 14751-KCY-670, 14761-KG0-003 14451-MBV-000, 14781-HA0-7...

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$999.99
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$999.99
$699.98
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$699.98
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$39.99
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$39.99
$29.98
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$29.98

SKF Cam Bearings For Honda TRX 400EX 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...

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$39.99
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$39.99
$29.98
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$29.98
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$369.99
$369.99 - $369.99
$369.99
$288.88
$288.88 - $288.88
$288.88

Honda XR400 XR400R XR 400 Top End Rebuild Repair Kit 10:1 Wiseco Piston Gaskets

Wiseco, Cometic, JE, CP, BPRATV, Honda XR400R XR 400R
In stock

Complete Standard Bore Top End Rebuild Kit!Fits Honda XR400R Years 1996 1997 1998 1999 2000 2001 2002 2003 2004NEW 85mm aftermarket cylinder10:1 Wi...

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$369.99
$369.99 - $369.99
$369.99
$288.88
$288.88 - $288.88
$288.88
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Save 28% Save %
$51.46
$51.46 - $51.46
$51.46
$36.89
$36.89 - $36.89
$36.89

Honda 400EX XR400 89mm 440cc Big Bore Wiseco Piston Replacement Rings Set 3504XC

Wiseco
In stock

Honda 400EX / 400X / XR400 89mm Wiseco Big Bore Piston Replacement Rings KitPart# 3504XCThese rings are for Wiseco Piston Part #'s 4667M08900 &...

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$51.46
$51.46 - $51.46
$51.46
$36.89
$36.89 - $36.89
$36.89
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$276.00
$276.00 - $276.00
$276.00
$186.97
$186.97 - $186.97
$186.97

TRX400EX TRX 400EX XR400 Wiseco 88 mil 88mm Piston +3 Big Bore 426 4606M08800

Wiseco
Out of stock

FITS ALL HONDA TRX400EX, 400X MODELS AND YEARS Includes one 88mm 10:1 Wiseco piston with rings, pin, and clips for all 400EX/X/XR models and years...

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$276.00
$276.00 - $276.00
$276.00
$186.97
$186.97 - $186.97
$186.97
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$706.66
$706.66 - $706.66
$706.66
$599.99
$599.99 - $599.99
$599.99

400EX 400X XR400R Kibblewhite Valves Valve Springs Cylinder Head Valve Cover Kit

BPRATV
In stock

30-3111, 30-3115, 30-3117, 14721-KCY-670, 12200-KCY-670, 12200-HN1-A70, 12310-HN1-010, 12209-413-003, 14711-KCY-670, 71016-4, 71016, 8400003-2, 840...

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$706.66
$706.66 - $706.66
$706.66
$599.99
$599.99 - $599.99
$599.99
Save 15% Save %
Save 13% Save %
$21.77
$21.77 - $21.77
$21.77
$18.88
$18.88 - $18.88
$18.88

1996-2014 Honda Cylinder Head Valve Cover Gasket XR400R TRX 400EX 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-...

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$21.77
$21.77 - $21.77
$21.77
$18.88
$18.88 - $18.88
$18.88
Save 13% Save %
Save 13% Save %
$21.77
$21.77 - $21.77
$21.77
$18.88
$18.88 - $18.88
$18.88

Steel Valve Cover Gasket Honda TRX400EX TRX400X XR400R OEM Upgrade 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-...

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$21.77
$21.77 - $21.77
$21.77
$18.88
$18.88 - $18.88
$18.88
Save 13% Save %
Save 30% Save %
$605.79
$605.79 - $605.79
$605.79
$424.44
$424.44 - $424.44
$424.44

Honda TRX400EX 400EX 400X XR400 89mm 440 JE Cometic 10.8:1 Cylinder Big Bore Kit

JE Pistons
In stock

247612, 4667M08900, 4794M08900,1043-2, M2002, M2003, M2001,4606M08700,12100-KCY-670, 4606M08500, C7826, 71016-4, 12191-KCY-673, 30-33750, 13011-KCY...

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$605.79
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$605.79
$424.44
$424.44 - $424.44
$424.44
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Save 8% Save %
$459.00
$459.00 - $459.00
$459.00
$424.44
$424.44 - $424.44
$424.44

Honda TRX400EX 400EX 400X XR400 87mm 416cc JE Cometic 12:1 Cylinder Big Bore Kit

BPRATV
In stock

199656, 1043-2, M2002, M2003, M2001,4606M08700,12100-KCY-670, 4606M08500, C7826, 71016-4, 12191-KCY-673, 30-33750, 13011-KCY-670, 90601-KA5-000, 13...

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$459.00
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$459.00
$424.44
$424.44 - $424.44
$424.44
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Save 19% Save %
$480.78
$480.78 - $480.78
$480.78
$388.88
$388.88 - $388.88
$388.88

TRX400EX 400EX 400X XR400 88mm Big Bore Cylinder JE Piston & Gaskets Rebuild Kit

JE Pistons
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-...

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$480.78
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$480.78
$388.88
$388.88 - $388.88
$388.88
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$999.99
$999.99 - $999.99
$999.99
$699.98
$699.98 - $699.98
$699.98

96-04 Honda XR400R XR 400R Completely ASSEMBLED Cylinder Head Kit 12200-KCY-670

BPRATV
In stock

>14711-KCY-670, 14721-KCY-670 14411-KCY-670, 14431-KCY-670, 14445-KF0-000 14446-KF0-000, 14751-KCY-670, 14761-KG0-003 14451-MBV-000, 14781-HA0-7...

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$999.99
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$999.99
$699.98
$699.98 - $699.98
$699.98
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Save 29% Save %
$43.98
$43.98 - $43.98
$43.98
$31.19
$31.19 - $31.19
$31.19

Honda 400EX 400X XR400R BPRATV Stronger Heavy Duty Exhaust Head Pipe Studs Bolts

BPRATV Talon Titanium
In stock

92900-08022-0B, 90301-HM8-000, 18291-MN5-650Give your Honda 400EX 400X XR400R a performance upgrade with this complete exhaust stud kit that boosts...

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$43.98
$43.98 - $43.98
$43.98
$31.19
$31.19 - $31.19
$31.19
Save 29% Save %
Save 27% Save %
$149.99
$149.99 - $149.99
$149.99
$108.88
$108.88 - $108.88
$108.88

Best 400EX 400X XR400 Cylinder Head Studs ALL TITANIUM Stud Bolt Nut Upgrade Kit

BPRATV Talon Titanium
In stock

30-33750, 90085-KCY-670, 90083-KG0-981,Upgrade your Honda 400EX, 400X, or XR400R with the BPRATV Talon Titanium Cylinder Head Stud Kit. Stronger, ...

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$149.99
$149.99 - $149.99
$149.99
$108.88
$108.88 - $108.88
$108.88
Save 27% Save %
Save 10% Save %
$444.68
$444.68 - $444.68
$444.68
$398.88
$398.88 - $398.88
$398.88

TRX400EX 400X XR400R 87mm 416cc Big Bore Kit Wiseco Piston + Cometic Gaskets NEW

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-...

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$444.68
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$444.68
$398.88
$398.88 - $398.88
$398.88
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