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

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

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

Save Now on Winter Essentials for Your Ride!

Filters

In Stock
- In Stock Items. Ships Today. (4) 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 (12) 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 (in.)
- 4.100 in. (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.
- 4.125 in. (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.
- 4.165 in. (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.
- 4.185 in. (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.
Bore (mm)
- 104.140mm (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.
- 104.775mm (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.
- 105.791mm (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.
- 106.299mm (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.
In Stock

Selected Filters

Home
Piston Rings
CP Pistons Bullet Nitrided Piston Rings
Product Results

Availability

- In Stock Items. Ships Today. (4) 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 (12) 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
Bore (in.)
- 4.100 in. (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.
- 4.125 in. (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.
- 4.165 in. (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.
- 4.185 in. (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.
Bore (mm)
- 104.140mm (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.
- 104.775mm (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.
- 105.791mm (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.
- 106.299mm (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.

CP-Carrillo

CP Pistons Bullet Nitrided Piston Rings

5.0 out of 5 stars 1 Customer Reviews

CP Pistons Bullet nitrided piston rings are offered in a variety of sizes to fit various applications. All sets will provide the proper sealing to prevent combustion gases from passing into the crankcase and oil into the combustion chamber. Choose the correct set for your application.

Showing In Stock Items. Show All 12 Items.

Results 1 - 4 of 4

CP Pistons Bullet Nitrided Piston Rings RS1MGNHD-4125

CP Pistons Bullet Nitrided Piston Rings RS1MGNHD-4125

CP Pistons Bullet Nitrided Piston Rings RS1MGNHD-4125

Piston Ring, Single Cylinder Set, 4.125 in. Bore, Nitrided, 1.5mm Top Ring, 1.5mm Second Ring, 3.0mm Oil Ring, Set

Part Number: CNN-RS1MGNHD4125

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

CP Pistons Bullet Nitrided Piston Rings RS1MGNHD4185

CP Pistons Bullet Nitrided Piston Rings RS1MGNHD4185

CP Pistons Bullet Nitrided Piston Rings RS1MGNHD4185

Piston Ring, Single Cylinder Set, 4.185 in. Bore, Nitrided, 1.5mm Top Ring, 1.5mm Second Ring, 3.0mm Oil Ring, Set

Part Number: CNN-RS1MGNHD4185

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

CP Pistons Bullet Nitrided Piston Rings RS1MGNHD4100

CP Pistons Bullet Nitrided Piston Rings RS1MGNHD4100

CP Pistons Bullet Nitrided Piston Rings RS1MGNHD4100

Piston Ring, Single Cylinder Set, 4.100 in. Bore, Nitrided, 1.5mm Top Ring, 1.5mm Second Ring, 3.0mm Oil Ring, Set

Part Number: CNN-RS1MGNHD4100

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

CP Pistons Bullet Nitrided Piston Rings RS1MGNHD-4165

CP Pistons Bullet Nitrided Piston Rings RS1MGNHD-4165

CP Pistons Bullet Nitrided Piston Rings RS1MGNHD-4165

Piston Ring, Single Cylinder Set, 4.165 in. Bore, Nitrided, 1.5mm Top Ring, 1.5mm Second Ring, 3.0mm Oil Ring, Set

Part Number: CNN-RS1MGNHD4165

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: 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