$5 Off Your $100 Mobile App Purchase - Get the App - Final Day!

Make/Model Search
Make/Engine Search

Brands
Savings Central
Contact Us
Help Center

My Garage
Wish List
Order Status & Returns

Welcome
My Account

Order Status

Wish List
Savings Central
Shop by Brand
Shop Your Passion
- Shop Your Passion
- Truck / SUV
  
  Jeep®
  
  Restoration
  
  Stock Replacement
  
  Late Model Muscle
  
  Tools
  
  Gifts, Clothing, & More
  
  Circle Track
  
  Street Rod
  
  Powersports
  
  Paint & Body
  
  Marine
  
  Jr Dragster
Gift Cards
My Garage
See Our Catalogs
News & Events
Career Opportunities
Contact Us
Help Center
New Products
Shop by Make/Model
Sign In

Search Make/Model

Search Make/Engine

Sign In

Welcome
Account Dashboard
Profile
Order Status & Returns
Buy It Again
Wish List
Rewards Program
Gift Cards & Summit Bucks
Address Book
My Garage Settings
Email Preferences
Text Notifications
My Reviews
My Questions
Catalogs
Tax Exemption
Sign In

$5 Off Your $100 Mobile App Purchase - Get the App
Final Day!

Summit Racing Gift Cards - ALWAYS the Perfect Gift!

Filters

In Stock
- In Stock Items. Ships Today. (20) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (525) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (723) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Section
Part Type
- Powersports Piston and Ring Kits (580) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Piston Rings (97) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Top End Engine Kits (19) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Piston Rings (11) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Pistons (8) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Wrist Pin Bushings and Bearings (8) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Model
Price Range
Filter Options
- PowerSports (707)
- New Product (10)
Savings Central
- Clearance (18)

Selected Filters

Filter Results by Vehicle

Loading...

Home
Product Results

Availability

- In Stock Items. Ships Today. (20) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (525) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (723) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Section
Part Type
- Powersports Piston and Ring Kits (580) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Piston Rings (97) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Top End Engine Kits (19) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Piston Rings (11) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Pistons (8) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Wrist Pin Bushings and Bearings (8) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Model
Price Range
Filter Options
- PowerSports (707)
- New Product (10)
Savings Central
- Clearance (18)

Namura Parts and Accessories

Individual Parts

Part Groups

Results 76 - 100 of 723

Namura Technologies Piston Rings for 2000-2024 KX65, 2003-2007 RM65 - NX-20060-6R

Namura Technologies Piston Rings for 2000-2024 KX65, 2003-2007 RM65 - NX-20060-6R

Namura Technologies Piston Rings for 2000-2024 KX65, 2003-2007 RM65 - NX-20060-6R

RING KIT

Part Number: NTI-NX-20060-6R

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 23, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1988-1990 KX80 - NX-20080-CK2

Namura Technologies Top-End Repair Kits for 1988-1990 KX80 - NX-20080-CK2

Namura Technologies Top-End Repair Kits for 1988-1990 KX80 - NX-20080-CK2

TOP END REPAIR KIT

Part Number: NTI-NX-20080-CK2

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 23, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2001-2003 RM125 - NX-30004-BK

Namura Technologies Top-End Repair Kits for 2001-2003 RM125 - NX-30004-BK

Namura Technologies Top-End Repair Kits for 2001-2003 RM125 - NX-30004-BK

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-30004-BK

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 23, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-30014K

Namura Technologies Top-End Repair Kits NA-30014K

Namura Technologies Top-End Repair Kits NA-30014K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30014K

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 23, 2026 if ordered today

Namura Technologies Piston Rings for 2003-2006 PREDATOR 90, 2001-2003 SCRAMBLER 90, 2001-2006 SPORTSMAN 90 - NA-50006R

Namura Technologies Piston Rings for 2003-2006 PREDATOR 90, 2001-2003 SCRAMBLER 90, 2001-2006 SPORTSMAN 90 - NA-50006R

Namura Technologies Piston Rings for 2003-2006 PREDATOR 90, 2001-2003 SCRAMBLER 90, 2001-2006 SPORTSMAN 90 - NA-50006R

Piston and RING KIT RING KIT

Part Number: NTI-NA-50006R

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 23, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1992-2002 CR80R, 1996-2002 CR80RB EXPERT - NX-10080-BK1

Namura Technologies Top-End Repair Kits for 1992-2002 CR80R, 1996-2002 CR80RB EXPERT - NX-10080-BK1

Namura Technologies Top-End Repair Kits for 1992-2002 CR80R, 1996-2002 CR80RB EXPERT - NX-10080-BK1

TOP END REPAIR KIT

Part Number: NTI-NX-10080-BK1

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 23, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2002-2021 RM85, 2003-2012 RM85L - NX-30085-CK

Namura Technologies Top-End Repair Kits for 2002-2021 RM85, 2003-2012 RM85L - NX-30085-CK

Namura Technologies Top-End Repair Kits for 2002-2021 RM85, 2003-2012 RM85L - NX-30085-CK

Repair Kit, Top End, 47.950mm Bore, 9.50 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30085-CK

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 23, 2026 if ordered today

Namura Technologies Piston Rings for 1999-2008 TRX400EX SPORTRAX, 2009-2014 TRX400X, 1996-2004 XR400R - NA-10003R

Namura Technologies Piston Rings for 1999-2008 TRX400EX SPORTRAX, 2009-2014 TRX400X, 1996-2004 XR400R - NA-10003R

Namura Technologies Piston Rings for 1999-2008 TRX400EX SPORTRAX, 2009-2014 TRX400X, 1996-2004 XR400R - NA-10003R

Piston Rings, Powersports, Steel, Gas Nitrided Top, 85.00mm Bore, for use on Honda®, Kit

Part Number: NTI-NA-10003R

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 26, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-10008-2K1

Namura Technologies Top-End Repair Kits NA-10008-2K1

Namura Technologies Top-End Repair Kits NA-10008-2K1

Repair Kit, Top End, 92.46mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10008-2K1

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 26, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-30010-4K

Namura Technologies Top-End Repair Kits NA-30010-4K

Namura Technologies Top-End Repair Kits NA-30010-4K

Repair Kit, Top End, 82.96mm Bore, 9.00 to 1 Compression Ratio, Arctic Cat, Suzuki, Kit

Part Number: NTI-NA-30010-4K

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 26, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-30053K

Namura Technologies Top-End Repair Kits NA-30053K

Namura Technologies Top-End Repair Kits NA-30053K

TOP END REPAIR KIT

Part Number: NTI-NA-30053K

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 26, 2026 if ordered today

Namura Technologies Piston Rings for 1989-2004 YFA-1 BREEZE125, 2004-2013 YFM125 GRIZZLY - NA-40019R

Namura Technologies Piston Rings for 1989-2004 YFA-1 BREEZE125, 2004-2013 YFM125 GRIZZLY - NA-40019R

Namura Technologies Piston Rings for 1989-2004 YFA-1 BREEZE125, 2004-2013 YFM125 GRIZZLY - NA-40019R

RING KIT

Part Number: NTI-NA-40019R

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 26, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-80005K

Namura Technologies Top-End Repair Kits NA-80005K

Namura Technologies Top-End Repair Kits NA-80005K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-80005K

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 26, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1990-1991 RM125 - NX-30000-4K

Namura Technologies Top-End Repair Kits for 1990-1991 RM125 - NX-30000-4K

Namura Technologies Top-End Repair Kits for 1990-1991 RM125 - NX-30000-4K

TOP END REPAIR KIT

Part Number: NTI-NX-30000-4K

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 26, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1999-2001 YZ250 - NX-40025-BK

Namura Technologies Top-End Repair Kits for 1999-2001 YZ250 - NX-40025-BK

Namura Technologies Top-End Repair Kits for 1999-2001 YZ250 - NX-40025-BK

TOP END REPAIR KIT

Part Number: NTI-NX-40025-BK

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 26, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-50024-6K

Namura Technologies Top-End Repair Kits NA-50024-6K

Namura Technologies Top-End Repair Kits NA-50024-6K

TOP END REPAIR KIT

Part Number: NTI-NA-50024-6K

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 26, 2026 if ordered today

Namura Technologies Piston Rings NA-10001-2R

Namura Technologies Piston Rings NA-10001-2R

Namura Technologies Piston Rings NA-10001-2R

Piston Rings, Powersports, Steel, Gas Nitrided Top, 86.480mm Bore, for use on Honda®, Kit

Part Number: NTI-NA-10001-2R

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 26, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1988-2000 TRX300 FOURTRAX, TRX300FW FOURTRAX 4X4 - NA-10002-6K

Namura Technologies Top-End Repair Kits for 1988-2000 TRX300 FOURTRAX, TRX300FW FOURTRAX 4X4 - NA-10002-6K

Namura Technologies Top-End Repair Kits for 1988-2000 TRX300 FOURTRAX, TRX300FW FOURTRAX 4X4 - NA-10002-6K

TOP END REPAIR KIT

Part Number: NTI-NA-10002-6K

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 26, 2026 if ordered today

Namura Technologies Piston Rings NA-10002R

Namura Technologies Piston Rings NA-10002R

Namura Technologies Piston Rings NA-10002R

Piston Rings, Powersports, Steel, Gas Nitrided Top, 74.00mm Bore, for use on Honda®, Kit

Part Number: NTI-NA-10002R

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 26, 2026 if ordered today

Namura Technologies Piston Rings for 1999-2008 TRX400EX SPORTRAX, 2009-2014 TRX400X, 1996-2004 XR400R - NA-10004R

Namura Technologies Piston Rings for 1999-2008 TRX400EX SPORTRAX, 2009-2014 TRX400X, 1996-2004 XR400R - NA-10004R

Namura Technologies Piston Rings for 1999-2008 TRX400EX SPORTRAX, 2009-2014 TRX400X, 1996-2004 XR400R - NA-10004R

Piston Rings, Powersports, Steel, Gas Nitrided Top, 89.00mm Bore, for use on Honda®, Kit

Part Number: NTI-NA-10004R

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 26, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-10042-2K

Namura Technologies Top-End Repair Kits NA-10042-2K

Namura Technologies Top-End Repair Kits NA-10042-2K

Repair Kit, Top End, 86.98mm Bore, 9.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10042-2K

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 26, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1999-2005 TRX90 SPORTRAX, 2007-2008 TRX90EX SPORTRAX, 2009-2025 TRX90X - NA-10090K

Namura Technologies Top-End Repair Kits for 1999-2005 TRX90 SPORTRAX, 2007-2008 TRX90EX SPORTRAX, 2009-2025 TRX90X - NA-10090K

Namura Technologies Top-End Repair Kits for 1999-2005 TRX90 SPORTRAX, 2007-2008 TRX90EX SPORTRAX, 2009-2025 TRX90X - NA-10090K

TOP END REPAIR KIT

Part Number: NTI-NA-10090K

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 26, 2026 if ordered today

Namura Technologies Piston Rings for 1993-1998 TRX90 SPORTRAX - NA-10090R

Namura Technologies Piston Rings for 1993-1998 TRX90 SPORTRAX - NA-10090R

Namura Technologies Piston Rings for 1993-1998 TRX90 SPORTRAX - NA-10090R

RING KIT

Part Number: NTI-NA-10090R

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 26, 2026 if ordered today

Namura Pistons NA-10093

Namura Pistons NA-10093

Namura Pistons NA-10093

PISTON KIT 92/STD/HON

Part Number: NTI-NA-10093

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 26, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1998-2003 300 2X4, 1998-2005 300 4X4 - NA-11001-2K

Namura Technologies Top-End Repair Kits for 1998-2003 300 2X4, 1998-2005 300 4X4 - NA-11001-2K

Namura Technologies Top-End Repair Kits for 1998-2003 300 2X4, 1998-2005 300 4X4 - NA-11001-2K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-11001-2K

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 26, 2026 if ordered today

Previous
1
2
3
4
5
6
7
8
9
10
>>
Next

Previous
Page 4 of 29
Next

Modal Header

Contact us with questions.

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify

Stay Updated with Emails from Summit Racing

Never miss a sale on new parts, tools, and more!

= Required

First Name

Last Name

Email Address Email required

See Our Catalogs

News & Events

News & Events Home
OnAllCylinders (blog)
Calendar of Events
New Product Releases
Summit Racing News
News You Can Use
Featured Vehicles
Media Center
Sanctioning Bodies

Help

Help Center
Return Policy
Beat-A-Price Guarantee
Payment Options
Contact Us

Social

Facebook
X/Twitter
Instagram
Pinterest
YouTube
Podcast

About Summit

Corporate History
Retail Locations

My Account

Profile
Email Preferences
Order Status & Returns
Wish List
Address Book
My Reviews
My Questions
My Garage
Sign In

Career Opportunities

More

Summit Racing Credit Card
Gift Cards
Calculators & Tools
Promo Exclusions
Become an Affiliate
Summit Racing Rewards Program
Summit Racing Equipment Protection Plan

Terms of Use | Privacy and Security | Site Accessibility
Copyright 2026 by AUTOSALES, INCORPORATED
dba Summit Racing Equipment | Trademarks

Let's Build it Together^™

Modal Header