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Top 10 2005 Honda 400Ex Big Bore Kit of 2020 – Consumer Guide & Reviews

Rank No. #1
TOP NOTCH PARTS 440cc BIG BORE CYLINDER PISTON RINGS TOP END KIT FITS HONDA TRX400EX TRX 400EX 99 00 01 02 03 04 05 06 07 08
  • REPLACES OEM NUMBER 12100-KCY-670 12191-KCY-672 13011-KCY-670 13101-KCY-670 90601-KA5-000 13111-KCY-670 12251-HN1-003 12391-KCY-671 14560-KCW-851
  • HONDA TRX 400EX 440cc BIG BORE CYLINDER PISTON TOP END KIT
  • PISTON TOP HAS A CERAMIC COATING PROVIDING SUPERIOR HEAT RESISTANCE WHICH WILL EXTEND THE LIFE SPAN OF THE PISTON. * THIS IS THE BEST QUALITY KIT ON EBAY! EQUAL TO OR BETTER THAN OEM
  • PURCHASE INCLUDES: 1X CYLINDER 1X PISTON. 1X PISTON PIN. 2X CIRCLIPS. 1X COMPLETE SET OF RINGS. 1X HEAD GASKET. 1X BASE GASKET. 1X HEAD COVER GASKET. 1X CHAIN TENSIONER GASKET. 1X GASKET MAKER. 1X THREAD LOCK. 1X FUEL FILTER. 1X OIL FILTER. 1X FREE NGK SPARK PLUG
  • PARTS FIT: 1999 - 2008 HONDA TRX 400EX.
Rank No. #2
NewJ's Big Bore Cylinder Piston Rings Top End Kit Fit for Honda TRX400EX TRX 400EX 440cc 1999-2008
  • 🚩 Aftermarket Replacement Cylinder Piston Big Bore Kit
  • 🚩 Cylinder Piston Gasket Rings Top End Kit Set Fit for Honda TRX400EX 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
  • 🚩 Replace Cylinder Piston Kit Compatible with Part Number(s): 12100-KCY-670, 12191-KCY-672, 13011-KCY-670, 13101-KCY-670, 90601-KA5-000, 13111-KCY-670, 12251-HN1-003, 12391-KCY-671, 14560-KCW-851
  • 🚩 Direct replacement part fit for the old or broken one
  • 🚩 Please make sure this part fits before purchase
Rank No. #3
NICHE 89mm 440cc Big Bore Cylinder Piston Kit For Honda TRX400X XR400R 1996-2014 12100-HN1-A7
  • Replaces OEM Part Numbers: Honda 12100-HN1-A70, 12191-KCY-672,13011-KCY-670, 90601-KA5-000,13101-KCY-670, 13111-KCY-670,91301-428-003, 12251-HN1-003,12100-KCY-670, 12100-KCY-670, 12191-KCY-672
  • Compatible with Honda 1996-2004 XR400R, 1999-2008 Sportrax TRX400EX, 2009, 2012-2014 TRX400X
  • Includes Cylinder (89mm), Piston, Piston Rings, O-Rings (2), Wristpin and Circlips (2)
  • Also Includes Base Gasket and Head Gasket
  • Cylinder Bore and Stroke 89.00mm x 70.00mm
Rank No. #4
NICHE 85mm 397cc Cylinder Piston Gasket Top End Kit For Honda Sportrax TRX400EX TRX400X XR400R 1996-2014
  • Replaces OEM Part Numbers: Honda 12100-KCY-670, 12100-HN1-A70,13101-KCY-670, 13011-KCY-670,13111-KCY-670, 90601-KA5-000,12251-HN1-003, 12251-HN1-A41,12191-KCY-672,12191-KCY-671,12191-HN1-A71
  • Compatible with Honda 1996-2004 XR400R, 1999-2008 Sportrax TRX400EX, 2009, 2012-2014 TRX400X
  • Includes Cylinder, Cylinder Head, Cylinder Head Cover, Piston, Piston Rings, Wristpin, Circlips
  • Head Gasket, Base Gasket, Head Cover Gasket, Chain Tension Gasket, O-Ring and Spark Plug
  • 85mm x 70mm Bore and Stroke, 9.1:1 Compression, 397cc Displacement
SaleRank No. #5
Top Notch Parts Replacement Big Bore Cylinder Complete Head Polished Ports Performance Camshaft For 99 00 01 02 03 04 05 06 07 08 Honda Trx400ex TRX 400ex 440cc
  • Replaces OEM Part # 12100-KCY-670 12191-KCY-672 12200-KCY-670 12251-MBV-013 12310-KCY-672 12391-KCY-671 13011-KCY-670 13101-KCY-670 13111-KCY-670 90601-KA5-000 14000-KCY-670 15410-KF0-315
  • TOP NOTCH PARTS REPLACEMENT 440cc BIG BORE CYLINDER, COMPLETE HEAD AND PERFORMANCE CAMSHAFT HONDA TRX 400EX
  • COMPLETE HEAD AND PERFORMANCE CAMSHAFT HONDA TRX 400EX
  • THIS CAMSHAFT OFFERS 15% INCREASE IN POWER WORKS WELL WITH STANDARD AND BIG BORE KITS UP TO 440cc
  • 1X PISTON. 1X PISTON PIN. 2X CIRCLIPS. 1X COMPLETE SET OF RINGS. 1X HEAD GASKET. 1X BASE GASKET. 1X HEAD COVER GASKET. 1X CHAIN TENSIONER GASKET. 1X COMPLETE CYLINDER HEAD (POLISHED INTAKE AND EXHAUST PORT) 1X PERFORMANCE CAMSHAFT 1X GASKET MAKER. 1X THREAD LOCK. 1X FUEL FILTER. 1X AIR FILTER 1X OIL FILTER. 1X FREE NGK SPARK PLUG
Rank No. #6
TOP NOTCH PARTS 434cc BIG BORE CYLINDER PISTON GASKET TOP END KIT FITS 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 SUZUKI LTZ 400 LTZ400
  • Replaces OEM Part # 12140-29F00, 12111-29F00-0F0, 11210-29F20-0F0
  • SUZUKI LTZ 400 434cc BIG BORE CYLINDER PISTON GASKET TOP END KIT 2003-2013
  • THIS BRAND NEW AFTERMARKET KIT HAS BEEN INSPECTED FOR THE HIGHEST QUALITY & THE HIGHEST GRADE MATERIALS HAVE BEEN USED IN THE MANUFACTURE OF THIS KIT.
  • PURCHASE INCLUDES: CYLINDER BLOCK. PISTON. RINGS. PISTON PIN. CIRCLIPS. WASHERS. O-RING. HEAD GASKET. BASE GASKET.SPARK PLUG.GASKET MAKER.THREAD LOCK.GASKET MAKER.THREAD LOCK AIR FILTER. OIL FILTER..
SaleRank No. #7
Top Notch Parts Replacement 500 Big Bore Cylinder Kit For 2007 2006 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 Honda TRX 420 Top End Kit Gasket Air Oil Filter turns your 420 to a 500
  • Replaces OEM Part # 12101-HP1-670 12191-HP1-671 13101-HP1-67013111-HP1-670 13112-HP1-670 13011-HP1-30515412-MEN-671 17254-HP1-000
  • AFTERMARKET NEW BIG BORE 500 CYLINDER KIT FITS 2007-2018 TRX420 RANCHER
  • INCLUDES: CYLINDER, PISTON, RINGS, PIN, CLIPS, AIR FILTER, OIL FILTER, COMPLETE GASKET SET AND ALL OTHER PARTS AS SHOWN IN THE PICTURE
  • UPGRADED PISTON HAS A TEFLON COATING ON THE SIDES AND A CERAMIC TOP.
  • CONVERTS YOUR 420 TO A 500.
Rank No. #8
Replace 12100-HN1-A70 89mm 440cc Cylinder Piston Kit Compatible with 1999-2014 TRX400X TRX400EX Sportrax XR400R
  • Compatible with1999-2008 TRX400EX Sportrax 2009 TRX400X 2012-2014 TRX400X 1999-2004 XR400R
  • Content:Cylinder (89mm), Piston, Piston Rings, 2* O-Rings (2), Wristpin and 2* Circlips, Gasket,Spark Plug
  • Replace Part Number : 12100-HN1-A70, 12191-KCY-672,13011-KCY-670, 90601-KA5-000,13101-KCY-670, 13111-KCY-670,91301-428-003, 12251-HN1-003,12100-KCY-670, 12100-KCY-670, 12191-KCY-672
  • Feature:We adopt the highest grade materials to make our product. It bring durable and reliable feature under extreme conditions.
  • Warranty:For any reason, if you are not satisfied with your purchase, contact us directly. We offer a one-year warranty, 100% satisfaction guarantee.
SaleRank No. #9
Top Notch Parts Replacement Fits Honda Xr400r XR 400R 440cc Big Bore Cylinder Kit Complete Head Polished Ports Performance Camshaft 96 97 98 99 00 01 02 03 04
  • Replaces OEM Part # 12100-KCY-670 12191-KCY-672 12200-KCY-670 12251-MBV-013 12310-KCY-672 12391-KCY-671 13011-KCY-670 13101-KCY-670 13111-KCY-670 90601-KA5-000 14000-KCY-670 15410-KF0-315
  • AFTERMARKET HONDA XR400R 440cc BIG BORE CYLINDER
  • COMPLETE HEAD AND PERFORMANCE CAMSHAFT FREE NGK SPARK PLUG
  • PISTON TOP HAS A CERAMIC COATING PROVIDING SUPERIOR HEAT RESISTANCE WHICH WILL EXTEND THE LIFE SPAN OF THE PISTON
  • 1X CYLINDER (BIG BORE) 1X PISTON. 1X PISTON PIN. 2X CIRCLIPS. 1X COMPLETE SET OF RINGS. 1X HEAD GASKET. 1X BASE GASKET. 1X HEAD COVER GASKET. 1X CHAIN TENSIONER GASKET. 1X COMPLETE CYLINDER HEAD (POLISHED INTAKE AND EXHAUST PORT) 1X PERFORMANCE CAMSHAFT 1X GASKET MAKER. 1X THREAD LOCK. 1X FUEL FILTER. 1X AIR FILTER 1X OIL FILTER. 1X FREE NGK SPARK PLUG. 1996 - 2004 HONDA XR 400R.
Rank No. #11
Air Shrouds + 6 Bolts Air Engine Cooler Scoop Kit for Honda 400EX 1999-2004
  • Fit for Honda 400EX 1999-2004
  • Material: Aluminum
  • Quantity: 1 x Air shrouds with 6 Bolts
  • No instruction included; Professional installation & alignment suggested
  • For any needs please contact us
Rank No. #12
NICHE Cylinder Piston Gasket Camshaft Top End Kit for Honda 1996-2014 TRX400 XR400R 12100-KCY-670
  • Replaces OEM Part Numbers: Honda 12100-HN1-A70, 12191-KCY-672,12391-KCY-671, 14000-HN1-A70, 13011-KCY-670, 13101-KCY-670,13111-KCY-670, 90601-KA5-000,98061-59616,12100-KCY-670,14000-HN1-000
  • Compatible with the 1996-2004 Honda XR400R, 1999-2008 Honda Sportrax TRX400EX, 2009, 2012-2014 Honda TRX400X
  • Includes Cylinder, Camshaft, Piston, Piston Ring Set, Wristpin and Circlips
  • Also Includes Head and Base Gaskets, O-Ring and NGK Spark Plug
  • Cylinder Bore and Stroke 85mm x 70mm
Rank No. #13
NICHE 87mm 416cc Big Bore Cylinder for Honda 1996-2014 Sportrax TRX400 XR400R 12100-KCY-670 12100-HN1-A70
  • High Quality Replacement Cylinder 87mm Big Bore
  • Replaces OEM Part Numbers: Honda 12100-KCY-670, 12100-HN1-A70
  • Compatible with Honda 1996-2004 XR400R
  • Compatible with Honda 1999-2008 Sportrax TRX400EX
  • Compatible with Honda 2009, 2012-2014 TRX400X
Rank No. #15
NICHE 85mm 397cc Engine Cylinder for Honda Sportrax TRX400EX XR400R TRX400X 12100-HN1-A70 12100-KCY-670
  • High Quality Replacement Cylinder
  • Replaces OEM Part Numbers: Honda 12100-KCY-670, 12100-HN1-A70
  • Compatible with Honda 1996-2004 XR400R
  • Compatible with Honda 1998-2008 Sportrax TRX400EX
  • Compatible with Honda 2009-2012, 2014 TRX400X
Rank No. #16
WFLNHB New Big Bore Cylinder Piston Rings Top End Kit for 1999-2008 Honda Trx400ex 440cc
  • Big Bore Cylinder Piston Rings Top End Kit for 1999-2008 Honda Trx400ex 440cc
  • Replaces Part :12100-KCY-670 12191-KCY-672 13011-KCY-670 13101-KCY-670 90601-KA5-000 13111-KCY-670 12251-HN1-003 12391-KCY-671 14560-KCW-851
  • Package Including:1x Cylinder 1x Piston. 1x Piston Pin. 2x Circlips. 1x Complete Set of Rings.
  • 1x Head Gasket. 1x Base Gasket. 1x Head Cover Gasket. 1x Chain Tensioner Gasket.
  • 1x Gasket Maker. 1x Thread Lock. 1x Fuel Filter. 1x Oil Filter. 1x Free Ngk Spark Plug.
Rank No. #17
NICHE Big Bore Piston Kit For Honda Sportrax 400 TRX400 XR400R 1996-2014 13101-KCY-670 13102-KCY-670
  • High Quality Replacement Engine Piston
  • Piston Replaces OEM Part Numbers: Honda 13101-KCY-670, 13102-KCY-670, 13103-KCY-670
  • Compatible with Honda 1996-2004 XR400R, 1999-2008 Sportrax 400 TRX400EX 2x4
  • Compatible with Honda 2009, 2012-2014 TRX400X
  • Includes Piston, Piston Ring, and Wristpin
Rank No. #18
85mm Cylinder Piston Gasket Rebuild Kit Replacement for 13101-KCY-670 12191-KCY-672 1999-2008 Honda Sportrax TRX400EX TRX 400EX
  • Replacement for part number: 12100-HN1-A70, 12191-KCY-672, 13011-KCY-670
  • Product Specification: 85 mm x 70 mm bore and stroke, 397cc displacement, 9.1:1 compression
  • The kit includes brand new cylinder, piston, piston pin, circlips, complete set of rings, head gasket and base gasket as pictured shown, this is a direct bolt on kit that will require no modifications
  • Please make every attempt possible to verify that part/product being purchased is correct for your application
  • NOTE: If there is any problem with this product, please feel free to contact us
Rank No. #19
ECOTRIC Aluminum Air Shrouds Air Engine Cooler Scoop Kit Compatible with 1999-2004 Honda TRX 400EX (Silver)
  • FITMENT - Compatible with 1999-2004 Honda TRX 400EX & TRX400X Models.
  • FEATURE - Condition: 100% brand new. Color: Silver. Material: Aluminum.
  • SUPERIOR CONSTRUCTION: Made of high quality Aluminum for high strength, good looks and excellent corrosion resistance, ensuring a long-lasting usage.
  • PACKAGE INCLUDED: 1 set Air Engine Cooler Shrouds Scoop Kit. Come with screws. No instruction included. Professional installation is highly recommended.
  • BEST SERVICE: If your items encounter any adaptation and color difference or anything-else problems, please give us the opportunity to replace the item/part. If you do not receive our response more than one working day, please check your spam or Amazon account.
Rank No. #20
WFLNHB 85mm Cylinder Piston Gasket Rebuild Kit Replacement for 1999-2008 Honda Sportrax TRX400EX TRX 400EX 12100-HN1-A70 12191-KCY-672
  • Replacement for: 1999-2008 Honda Sportrax TRX400EX
  • Part Number: 12100-HN1-A70, 12191-KCY-672, 13011-KCY-670
  • The kit includes brand new cylinder, piston, piston pin, circlips, complete set of rings, head gasket and base gasket as pictured shown, this is a direct bolt on kit that will require no modifications
  • Product Specification: 85 mm x 70 mm bore and stroke, 397cc displacement, 9.1:1 compression
  • We guarantee a great fit and this kit includes the best warranty. Quality and performance is guaranteed

Last update on 2021-07-08 / Affiliate links / Images from Amazon Product Advertising API

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