Summit Racing SpeedCard - learn how to get 10% back up to $100

Make/Model Search
Make/Engine Search

Brands
Savings Central
Contact Us
Help Center
1-800-230-3030

Call Us
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
1-800-230-3030 1-800-230-3030
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

Summit Racing SpeedCard - learn how to get 10% back up to $100

Save With Limited-Time Deals on Exterior Parts & Accessories Today!

Filters

In Stock
- In Stock Items, Including at a Supplier. Ships In a Few Days. (21) 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 (33) 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
Piston Material
- Hypereutectic aluminum (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.
- Forged aluminum (2) 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.
Bore (mm)
- 39.460mm (3) 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.
- 39.470mm (2) 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.
- 44.970mm (2) 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.
- 46.950mm (2) 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.
- 46.960mm (2) 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.
- 39.480mm (1) 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.
- 44.980mm (1) 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.
- 46.940mm (1) 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.
- 46.970mm (1) 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.
- 53.940mm (1) 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.
- 53.950mm (1) 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.
- 66.340mm (1) 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.
Show All
Stroke
- 40.00mm (2) 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.
- 48.95mm (1) 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.
Oil Ring Facing Material
- Nitride (1) 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.
Price Range
- $50-$100 (13)
- $100-$250 (8)
Filter Options
- PowerSports (21)
- New Product (4)
Savings Central

Selected Filters

Filter Results by Vehicle

Loading...

Home
Engines & Components
Engine Kits & Rotating Assemblies
Namura Technologies Top-End Repair Kits
Powersports Piston and Ring Kits
KTM
Product Results

Availability

- In Stock Items, Including at a Supplier. Ships In a Few Days. (21) 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 (33) 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
Make/Model
Piston Material
- Hypereutectic aluminum (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.
- Forged aluminum (2) 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.
Bore (mm)
- 39.460mm (3) 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.
- 39.470mm (2) 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.
- 44.970mm (2) 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.
- 46.950mm (2) 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.
- 46.960mm (2) 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.
- 39.480mm (1) 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.
- 44.980mm (1) 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.
- 46.940mm (1) 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.
- 46.970mm (1) 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.
- 53.940mm (1) 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.
- 53.950mm (1) 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.
- 66.340mm (1) 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.
Show All
Stroke
- 40.00mm (2) 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.
- 48.95mm (1) 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.
Oil Ring Facing Material
- Nitride (1) 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.
Price Range
- $50-$100 (13)
- $100-$250 (8)
Filter Options
- PowerSports (21)
- New Product (4)

Namura

Namura Technologies Top-End Repair Kits

5.0 out of 5 stars 2 Customer Reviews

Top-end rebuilds can help to improve the performance of your ride, and Namura Technologies top-end repair kits will keep your ATV, UTV, or off-road motorcycle running in peak condition! They include everything you need: pistons, top-end gasket kit, and wrist pin bearings (where applicable) in one convenient, time-saving package. Namura kits are available for a wide variety of makes and models, with specific bore and compression ratio parts to service your specific vehicle. Choose to do your rebuild with repair kits from Namura Technologies—the people who make pistons with attitude!

Showing In Stock Items. Show All 33 Items.

Results 1 - 21 of 21

Namura Technologies Top-End Repair Kits NX-70000K

Namura Technologies Top-End Repair Kits NX-70000K

Namura Technologies Top-End Repair Kits NX-70000K

TOP END REPAIR KIT

Part Number: NTI-NX-70000K

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Namura Technologies Top-End Repair Kits NX-70004K

Namura Technologies Top-End Repair Kits NX-70004K

Namura Technologies Top-End Repair Kits NX-70004K

Repair Kit, Top End, 46.940mm Bore, 8.20 to 1 Compression Ratio, KTM, Kit

Part Number: NTI-NX-70004K

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Namura Technologies Top-End Repair Kits NX-70007-BK

Namura Technologies Top-End Repair Kits NX-70007-BK

Namura Technologies Top-End Repair Kits NX-70007-BK

TOP END REPAIR KIT

Part Number: NTI-NX-70007-BK

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2003-2012 85 SX (17/14), 2005-2010 85 SX (19/16), 2008-2009 85 XC - NX-70004-CK

Namura Technologies Top-End Repair Kits for 2003-2012 85 SX (17/14), 2005-2010 85 SX (19/16), 2008-2009 85 XC - NX-70004-CK

Namura Technologies Top-End Repair Kits for 2003-2012 85 SX (17/14), 2005-2010 85 SX (19/16), 2008-2009 85 XC - NX-70004-CK

TOP END REPAIR KIT

Part Number: NTI-NX-70004-CK

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Namura Technologies Top-End Repair Kits FX-70090-BK

Namura Technologies Top-End Repair Kits FX-70090-BK

Namura Technologies Top-End Repair Kits FX-70090-BK

TOP END KIT FORGED 77.97/+0.01 11:1 HUSQ/KTM

Part Number: NTI-FX-70090-BK

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2002-2003 50 JR ADVENTURE, 2002-2008 50 MINI ADVENTURE, 2002-2007 50 SR ADVENTURE - NX-70001-BK

Namura Technologies Top-End Repair Kits for 2002-2003 50 JR ADVENTURE, 2002-2008 50 MINI ADVENTURE, 2002-2007 50 SR ADVENTURE - NX-70001-BK

Namura Technologies Top-End Repair Kits for 2002-2003 50 JR ADVENTURE, 2002-2008 50 MINI ADVENTURE, 2002-2007 50 SR ADVENTURE - NX-70001-BK

TOP END REPAIR KIT

Part Number: NTI-NX-70001-BK

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2003-2004 250 SX - NX-70051K

Namura Technologies Top-End Repair Kits for 2003-2004 250 SX - NX-70051K

Namura Technologies Top-End Repair Kits for 2003-2004 250 SX - NX-70051K

TOP END REPAIR KIT

Part Number: NTI-NX-70051K

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Namura Technologies Top-End Repair Kits NX-70007K

Namura Technologies Top-End Repair Kits NX-70007K

Namura Technologies Top-End Repair Kits NX-70007K

TOP END REPAIR KIT

Part Number: NTI-NX-70007K

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Namura Technologies Top-End Repair Kits NX-70020K

Namura Technologies Top-End Repair Kits NX-70020K

Namura Technologies Top-End Repair Kits NX-70020K

TOP END REPAIR KIT

Part Number: NTI-NX-70020K

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Namura Technologies Top-End Repair Kits NX-70106K

Namura Technologies Top-End Repair Kits NX-70106K

Namura Technologies Top-End Repair Kits NX-70106K

TOP END KIT NIKASIL CYL 46.95/STD HUSQ/KTM

Part Number: NTI-NX-70106K

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Namura Technologies Top-End Repair Kits 185-70293

Namura Technologies Top-End Repair Kits 185-70293

Namura Technologies Top-End Repair Kits 185-70293

TOP END GASKET KIT, TOP END REPAIR KIT

Part Number: NTI-NX-70029K3

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Namura Technologies Top-End Repair Kits 185-7029B3

Namura Technologies Top-End Repair Kits 185-7029B3

Namura Technologies Top-End Repair Kits 185-7029B3

TOP END GASKET KIT, TOP END REPAIR KIT

Part Number: NTI-NX-70029-BK3

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Namura Technologies Top-End Repair Kits NX-70020-CK

Namura Technologies Top-End Repair Kits NX-70020-CK

Namura Technologies Top-End Repair Kits NX-70020-CK

TOP END REPAIR KIT

Part Number: NTI-NX-70020-CK

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Namura Technologies Top-End Repair Kits NX-70005-CK

Namura Technologies Top-End Repair Kits NX-70005-CK

Namura Technologies Top-End Repair Kits NX-70005-CK

TOP END REPAIR KIT

Part Number: NTI-NX-70005-CK

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2002 50 SX PRO JR LC, 2001-2002 50 SX PRO SR LC - NX-70000-BK

Namura Technologies Top-End Repair Kits for 2002 50 SX PRO JR LC, 2001-2002 50 SX PRO SR LC - NX-70000-BK

Namura Technologies Top-End Repair Kits for 2002 50 SX PRO JR LC, 2001-2002 50 SX PRO SR LC - NX-70000-BK

TOP END REPAIR KIT

Part Number: NTI-NX-70000-BK

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2000-2008 65 SX, 2008 65 XC - NX-70002-6BK

Namura Technologies Top-End Repair Kits for 2000-2008 65 SX, 2008 65 XC - NX-70002-6BK

Namura Technologies Top-End Repair Kits for 2000-2008 65 SX, 2008 65 XC - NX-70002-6BK

TOP END REPAIR KIT

Part Number: NTI-NX-70002-6BK

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Namura Technologies Top-End Repair Kits NX-70106-BK

Namura Technologies Top-End Repair Kits NX-70106-BK

Namura Technologies Top-End Repair Kits NX-70106-BK

TOP END KIT NIKASIL CYL 46.96/+0.01 HUSQ/KTM

Part Number: NTI-NX-70106-BK

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Namura Technologies Top-End Repair Kits FX-70090K

Namura Technologies Top-End Repair Kits FX-70090K

Namura Technologies Top-End Repair Kits FX-70090K

TOP END KIT FORGED 77.96/STD 11:1 HUSQ/KTM

Part Number: NTI-FX-70090K

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Namura Technologies Top-End Repair Kits NX-70001K

Namura Technologies Top-End Repair Kits NX-70001K

Namura Technologies Top-End Repair Kits NX-70001K

Repair Kit, Top End, 39.460mm Bore, 8.50 to 1 Compression Ratio, KTM, Kit

Part Number: NTI-NX-70001K

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Namura Technologies Top-End Repair Kits NX-70005-BK

Namura Technologies Top-End Repair Kits NX-70005-BK

Namura Technologies Top-End Repair Kits NX-70005-BK

TOP END REPAIR KIT

Part Number: NTI-NX-70005-BK

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2000-2003 250 EXC, 2000-2005 250 MXC, 2000-2002 250 SX - NX-70050-BK

Namura Technologies Top-End Repair Kits for 2000-2003 250 EXC, 2000-2005 250 MXC, 2000-2002 250 SX - NX-70050-BK

Namura Technologies Top-End Repair Kits for 2000-2003 250 EXC, 2000-2005 250 MXC, 2000-2002 250 SX - NX-70050-BK

TOP END REPAIR KIT

Part Number: NTI-NX-70050-BK

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

1

Page 1 of 1

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