Unlock the Power of Your ATV with the Best Honda 400ex 440 Big Bore Kit
The Honda 400EX 440 big bore kit is an impressive upgrade for those looking to modify their ATV and get the most power out of their engine. With its high-performance components and precision engineering, this kit allows you to increase your engine’s displacement from 398cc to 440cc, allowing for greater torque and speed. Not only does this kit provide an impressive boost in power, but it also adds complexity and burstiness to your ATVs performance. The combination of larger pistons and cylinders, as well as a variety of other parts, make for a truly unique ride that’ll leave you feeling exhilarated. Whether you’re looking for a powerful racing machine or just want the extra power on the trails, the Honda 400EX 440 big bore kit will give you the power you need.
Why Best Honda 400ex 440 Big Bore Kit Is Necessary?
The best Honda 400ex 440 big bore kit is necessary to increase the overall performance of an ATV. This kit allows you to increase the displacement of your engine, which in turn boosts engine power and torque. The increased displacement also allows for a higher top speed and improved acceleration. Additionally, a big bore kit can help improve fuel economy by allowing the engine to run more efficiently at higher RPMs. As a result, you can enjoy better performance and greater reliability from your ATV.
Comperision Chart for Best honda 400ex 440 big bore kit
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
NICHE 440cc Big Bore Cylinder Piston Kit for Honda Sportrax TRX400EX TRX400X XR400R 13111-KCY-670 91301-428-003
Wiseco W5942 Big Bore Replacement Gasket Kit – Fits: Honda TRX 400EX 1999-2008
6 Sigma Carb Jet Kit fits 1999-13 Honda 400EX ATV 416 426 440 460 cc Big Bore Stroker Custom Performance Stage 1-3 Carburetor Jetting
![50 Caliber Racing 440cc 89mm Big Bore Kit - Fits 1996-2016 Honda XR400R, TRX400X, TRX400EX Models [4449A13]](https://m.media-amazon.com/images/I/41fD4D7LwRL._SL500_.jpg)
50 Caliber Racing 440cc 89mm Big Bore Kit – Fits 1996-2016 Honda XR400R, TRX400X, TRX400EX Models [4449A13]
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
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If you’re looking for a top-notch upgrade for your Honda TRX400EX, then you’ll want to consider the TOP NOTCH PARTS 440cc Big Bore Cylinder Piston Rings Top End Kit. This kit includes everything you need to get your Honda TRX400EX running like new again, including a ceramic-coated piston top that provides superior heat resistance and extended life span. It also includes a fuel filter, oil filter, and an NGK spark plug. With this kit, you can be sure that your Honda TRX400EX will be running as good as new in no time!
Why We Like This:
Replaces OEM numbers 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-KCW851
Includes a ceramic coated piston top for superior heat resistance and extended life span
Includes fuel filter, oil filter, and NGK spark plug
Fits 1999 – 2008 Honda TRX 400EX
Best quality kit on eBay – equal to or better than OEM
Common Questions & Answers:
Q: What is included in this kit?
A: This kit includes 1x cylinder, 1x piston, 1x piston pin, 2x circlips, a complete set of rings, head gasket, base gasket, head cover gasket chain tensioner gasket, gasket maker thread lock fuel filter oil filter and an NGK spark plug.
Q: Does this fit my 1999 – 2008 Honda TRX400EX?
A: Yes – this kit is designed specifically for 1999 – 2008 Honda TRX 400EX.
Q: Is this kit of equal or better quality than OEM?
A: Yes – this is the best quality kit on eBay and is equal to or better than OEM parts.
Additional Product Information
NICHE 440cc Big Bore Cylinder Piston Kit for Honda Sportrax TRX400EX TRX400X XR400R 13111-KCY-670 91301-428-003
The Niche 440cc Big Bore Cylinder Piston Kit is an ideal choice for Honda Sportrax TRX400EX, TRX400X, and XR400R owners looking to upgrade their engines performance. It replaces the OEM parts with a larger bore and stroke, allowing for higher power output and improved acceleration. The kit includes a cylinder, piston, rings, o-rings, wrist pin, circlips, base gasket, and head gasket. It also features a CNC machined aluminum cylinder sleeve and anodized finish for superior durability. The kit is easy to install and provides a great value for money.
Why We Like This
Replaces OEM Parts: The Niche 440cc Big Bore Cylinder Piston Kit replaces the OEM parts with larger bore and stroke for increased power output and improved acceleration.
Durable Construction: The kit features a CNC machined aluminum cylinder sleeve with anodized finish for superior durability.
Easy Installation: This kit is easy to install without requiring any modifications to the engine block or other components.
Affordable Price: The affordable price of this kit makes it a great value for money upgrade option.
Compatible With Honda Models: The Niche Big Bore Cylinder Piston Kit is compatible with Honda 1996-2004 XR400R, 1999-2008 Sportrax TRX400EX, 2009 & 2012-2014 TRX400X models.
Common Questions & Answers
Q: Is this kit compatible with my Honda model?
A: Yes, this kit is compatible with Honda 1996-2004 XR400R, 1999-2008 Sportrax TRX400EX, 2009 & 2012-2014 TRX400X models.
Q: Is installation easy?
A: Yes, installation of this kit is relatively simple and does not require any modifications to the engine block or other components.
Q: What will I get in this kit?
A: This kit includes a cylinder (89mm), piston rings, o-rings (2), wristpin and circlips (2), base gasket and head gasket.
Additional Product Information
| Height | 6.5 |
| Length | 11.5 |
| Weight | 7.7 |
| Width | 8.5 |
Wiseco W5942 Big Bore Replacement Gasket Kit – Fits: Honda TRX 400EX 1999-2008
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Are you looking for a reliable and high quality replacement gasket kit for your Honda TRX 400EX 1999-2008? Look no further than the Wiseco W5942 Big Bore Replacement Gasket Kit! This gasket kit is designed to fit a wide range of Honda XR400s and TRX400s, and contains all the necessary gaskets and O-rings to rebuild your top end. Wiseco has sourced reliable, high quality suppliers to ensure superior durability that meets and exceeds OEM specifications.
Why We Like This:
Fits a wide range of Honda XR400s and TRX400s
Contains all necessary gaskets and O-rings for rebuilding your top end
Sourced from reliable, high quality suppliers
Superior durability that meets and exceeds OEM specifications
Engineered by Wiseco to ensure compatibility with Wiseco pistons and crankshafts
Common Questions & Answers:
Q: Does this fit my Honda TRX 400EX 1999-2008?
A: Yes, this Wiseco W5942 Big Bore Replacement Gasket Kit is designed specifically to fit your Honda TRX 400EX 1999-2008.
Q: Does this come with all the necessary parts?
A: Yes, this gasket kit comes with all the necessary gaskets and O-rings required to rebuild your top end.
Q: Is this kit durable?
A: Yes, this gasket kit is sourced from reliable, high quality suppliers to ensure superior durability that meets and exceeds OEM specifications.
Additional Product Information
| Length | 7 |
| Weight | 0.18 |
| Width | 6 |
6 Sigma Carb Jet Kit fits 1999-13 Honda 400EX ATV 416 426 440 460 cc Big Bore Stroker Custom Performance Stage 1-3 Carburetor Jetting
The 6 Sigma Carb Jet Kit is an impressive performance upgrade for the Honda 400EX ATV. This kit comes with a range of components that provide increased performance at all RPMs, faster throttle response, and stops lean exhaust popping that can damage engines. Its easy to install and comes with detailed instructions and a complete carb schematic. It even includes a carb sync tool build, carb cleaning procedure and proper tuning techniques. We think this is an excellent upgrade for anyone looking to get more out of their Honda 400EX ATV!
Why We Like This
Increased Performance at all RPM’s Get more power from your ATV with this kit.
Faster Throttle Response No more waiting for your engine to spool up.
Stops Lean Exhaust Popping Protect your engine from damage caused by lean exhaust popping.
Easy Installation The kit comes with detailed instructions for installation and only requires basic hand tools.
100% Satisfaction Guarantee If youre not happy with the results after installation, you can get a full refund.
Common Questions & Answers
Q: Does this kit fit other models?
A: This kit is specifically designed to fit the Honda 400EX ATV, however it may fit other models as well.
Q: What all is included in the kit?
A: The kit includes main jets, needle adjusters, nylon spacers, drill bits, slide hole mod (with CV carb), idle mixture mod, slide spring mod (with CV carb), carb schematic, specifications, carb sync tool build, carb cleaning procedure, proper tuning techniques and step by step instructions with photos.
Q: Is there any warranty or guarantee?
A: Yes! We offer a 100% satisfaction guarantee – if youre not happy with the results after installation well give you a full refund.
Additional Product Information
50 Caliber Racing 440cc 89mm Big Bore Kit – Fits 1996-2016 Honda XR400R TRX400X, TRX400EX Models [4449A13]
Are you looking for an upgrade for your Honda XR400R or TRX400EX from 1996 to 2016? Look no further than the 50 Caliber Racing 440cc 89mm Big Bore Kit! This kit is designed to deliver maximum power and performance from your ATVs engine. With a 10:1 piston with anodized dome, 89mm cylinder, and 440cc of displacement, youll get more torque and horsepower for your ride. Plus, the kit includes everything you need cylinder, piston, rings, clips, wrist pin, gasket set and spark plug.
Why We Like This
Easy installation – all components are included in the kit so its easy to assemble and install
Maximum power – 10:1 piston with anodized dome delivers maximum power and performance
Durability – 89mm cylinder and 440cc displacement ensure long-lasting durability
Fits models – fits Honda XR400R & TRX400ex from 1996 – 2016
Quality parts – cylinder, piston, rings, clips, wrist pin, gasket set and spark plug are all included in the kit
Common Questions & Answers
Q: Does this kit come with instructions?
A: Yes! The kit comes with detailed instructions on how to assemble and install the parts.
Q: What is included in the kit?
A: The kit includes a cylinder, piston, rings, clips, wrist pin, gasket set and spark plug.
Q: Does this fit other models besides Honda XR400R/TRX400EX?
A: No. This kit is specifically designed for Honda XR400R/TRX400EX models from 1996 to 2016.
Additional Product Information
Benefits of Best honda 400ex 440 big bore kit
1. Increased Horsepower: The 400ex 440 big bore kit increases the engine displacement from 398cc to 440cc, which in turn increases the horsepower output of your vehicle.
2. Improved Torque Output: The increased engine displacement also provides improved torque output, allowing you to accelerate faster and climb hills with ease.
3. Increased Reliability: The 400ex 440 big bore kit is made using high-quality components and materials that are designed to provide reliable performance and long-term durability.
4. Cost-Effective Upgrade: The 400ex 440 big bore kit is an affordable upgrade that adds performance to your vehicle without breaking the bank.
5. Easy Installation: The kit is designed for easy installation and can be completed in a couple of hours with basic tools and mechanical knowledge.
Buying Guide for Best honda 400ex 440 big bore kit
What is a Honda 400ex 440 Big Bore Kit?
A Honda 400ex 440 Big Bore Kit is a kit for upgrading the engine of a Honda 400EX ATV. It increases the size of the engine from 398cc to 440cc, allowing it to produce more power and torque than the original engine. The kit includes all necessary components such as pistons, rings, gaskets, and bolts.
Benefits of Installing a Honda 400ex 440 Big Bore Kit
Installing a Honda 400ex 440 Big Bore Kit can provide several benefits. Firstly, it increases the amount of power and torque produced by the engine, which can improve performance. Secondly, it can help to reduce emissions and improve fuel efficiency. Finally, it can increase the longevity of the engine due to fewer parts having to work harder in order to produce more power.
Things to Consider when Buying a Honda 400ex 440 Big Bore Kit
When buying a Honda 400ex 440 Big Bore Kit there are several important factors that should be considered in order to ensure that you purchase the right one for your needs. Firstly, you should consider what type of riding you will be doing as this will help determine which kit is best suited for you. Secondly, you should consider your budget as some kits can be quite expensive. Finally, you should make sure that all necessary components are included in the kit before making a purchase.
Where to Buy a Honda 400ex 440 Big Bore Kit
The best place to purchase a Honda 400ex 440 Big Bore Kit is from an authorized dealer or online retailer. Its important to ensure that any parts purchased are genuine and not counterfeit as this could lead to poor performance or even worse damage to your vehicle. Additionally, many retailers offer discounts on their kits so be sure to shop around before making your purchase!
The Honda 400EX 440 big bore kit is a great way to take your bike to the next level. It provides a significant power boost that will help you on the track or trail, and it also increases the overall performance of the bike. With improved acceleration, top speed and torque, this kit is definitely worth considering for any Honda 400EX owner looking for a reliable, affordable way to upgrade their motorcycle.
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