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

BPRATV
(30300)
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US $304.88
List price US $436.78 What does this price mean?
Recent sales price provided by the seller
Save US $131.90 (30% off)
No Interest if paid in full in 6 mo on $149+ with PayPal Credit*
Condition:
New
Compatibility:
Out of Stock3 sold
Pickup:
Shipping:
Free USPS Ground Advantage®.
Located in: Upland, California, United States
Delivery:
Estimated between Wed, Jan 7 and Thu, Jan 22 to 94104
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's shipping history, and other factors. Delivery times may vary, especially during peak periods.
Returns:
30 days returns. Seller pays for return shipping.
Payments:
       .
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eBay item number:286434682719
Last updated on Dec 04, 2025 13:53:32 PSTView all revisionsView all revisions

Compatibility

This part is compatible with 25 vehicle(s)
YearMakeModelSubmodelNotes
2008HondaSportrax 400TRX400EX 2x4
2007HondaSportrax 400TRX400EX 2x4
2006HondaSportrax 400TRX400EX 2x4
2005HondaSportrax 400TRX400EX 2x4
2004HondaSportrax 400TRX400EX 2x4
2003HondaSportrax 400TRX400EX 2x4
2002HondaSportrax 400TRX400EX 2x4
2001HondaSportrax 400TRX400EX 2x4
2000HondaSportrax 400TRX400EX 2x4
1999HondaSportrax 400TRX400EX 2x4
2014HondaTRX400X2x4
2013HondaTRX400X2x4
2012HondaTRX400X2x4
2011HondaTRX400X2x4
2010HondaTRX400X2x4
2009HondaTRX400X2x4
2004HondaXR400R--
2003HondaXR400R--
2002HondaXR400R--
2001HondaXR400R--
Portions of the information contained in this table have been provided by bpratv

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Machine Type
ATV, Dirt Bike, Off-Road Motorcycle
Items Included
Cylinder Barrel, Gasket Set, Piston Rings, Pistons, Wrist Pins
Color
Silver
Manufacturer Part Number
12100-KCY-670, 4606M08500, C7826, 71016-4, 12191-KCY-673, 13011-KCY-670, 90601-KA5-000, 13103-KCY-670, 13111-KCY-670, 12251-HN1-003, 12209-KL4-005, 133889, 400EX-CYL85 / 379166 -C / 400EX-TEG, 4040, 4606M08700, 4606M08800, 4667M08900, 808829, 808894, 8604DA, C7825, C7826, H0402027S, M2033
Compatible Model
400EX TRX 400X XR400
Custom
Best Honda 400EX Rebuild Kit On Sale Buy Rebuild Kit
MPN
400EX-CYL87 / 133889 / 400EX-TEG,4606M08700,133889, C7826
Brand
Honda 400EX, Cometic Gaskets, JE, Kibblewhite, BPRATV, Wiseco
Engine Type
4-Stroke
Type
Engine Rebuild Kit
Compatible Make
Honda
OE/OEM Part Number
12100-KCY-670, 4606M08500, C7826, 71016-4, 12191-KCY-673, 13011-KCY-670, 90601-KA5-000, 13103-KCY-670, 13111-KCY-670, 12251-HN1-003, 12209-KL4-005, 133889, 400EX-CYL85 / 379166 -C / 400EX-TEG, 4040, 4606M08700, 4606M08800, 4667M08900, 808829, 808894, 822278, 8604DA, C7825, C7826, H0402027S, M2033
Manufacturer Warranty
1 Year
Features
Corrosion-Resistant, Durable, Greasable, Sealed, The Best Parts. The Best Performance. The Best Price.
Country/Region of Manufacture
United States
Compatible Year
2005 2006 2007 2008 2009 2010 2011 2012 2013 2014
Performance Part
Yes
Category

Item description from the seller

About this seller

BPRATV

100% positive feedback•138K items sold

Joined Apr 2013
Welcome to BPRATV—the ultimate destination for high-quality engine rebuild kits, valvetrain components, engine bearings, pistons, cylinders, titanium hardware and fasteners, and everything Banshee! ...
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Detailed seller ratings

Average for the last 12 months
Accurate description
5.0
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
5.0

Popular categories from this store

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Seller feedback (26,798)

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  • f***e (879)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    A Plus eBayer (awesome seller), Easy to text or talk with, Fast shipping Internationally (Alberta, Canada), Packaged/Item very well, Package/Item arrived in perfect condition (except it was opened by Canadian/USA customs), Package/Item was 100% as described, Would buy from seller again 100 percent, Would definitely recommend this seller to anyone that is in need of parts, Thanks a lot...
    RZR Sportsman 800 Crank Bearings Bushings Seals Complete Plain Bearing Seal Kit (#285037011478)
  • 9***s (62)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Definitely 💯 exceeds expectations ask any question they reply with professionalism every time received one order the other will be here today super satisfied worth the money packaged unopened no damage brand new condition
    Yamaha Blaster ATV Crank Balancer Bearings SKF Counter Balance Shaft Bearing Set (#255823510436)
  • *****- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Exactly what I ordered and seller was very good with communication on when it has shipped and when I was getting it. Had questions about other item I ordered and they responded that day. Will definitely be shopping here again!!
See all feedback

Product ratings and reviews

Learn more
4.9
16 product ratings
  • 14 users rated this 5 out of 5 stars
  • 2 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 0 users rated this 1 out of 5 stars

Most relevant reviews

See all 11 reviews
  • by hayabusarider87
    May 31, 2024Top favorable review

    I’ve ordered tons of parts from AZ quad sports and will continue to order from there. Great company with great products. Nothing I have on my quad is

    I’ve ordered tons of parts from AZ quad sports and will continue to order from there. Great company with great products. Nothing I have on my quad is stock and they are great at having the aftermarket parts I need. Everything from big bore kits to A-arms. Plus they ship things in a timely manor. Much faster than a lot of other companies.

    Verified purchase: YesCondition: NewSold by: azquadparts

  • by fastraptorman69
    Apr 06, 2017

    400ex big bore cosmetic gasket set

    Quality set but if you don't use time serts not heli coils in your the jug you will push out head gaskets

    Verified purchase: YesCondition: NewSold by: teamalbaracing

  • by tage05
    Jun 29, 2019

    Great value

    Way better than any gaskets I've used, the only ones that haven't blown out with a 440 big bore

    Verified purchase: YesCondition: NewSold by: azquadparts

  • by 8y_zesibtys@Deleted
    Jun 07, 2024

    Good quality and easy to deal with

    Good quality and easy to deal with

    Verified purchase: YesCondition: NewSold by: azquadparts

  • by 355sbcbeast
    Oct 27, 2025

    Cometic makes great gaskets.

    Cometic makes great gaskets.

    Verified purchase: YesCondition: NewSold by: azquadparts

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