My Account
My Garage
Shopping Cart
MY GARAGE Select Vehicle
MY GARAGE

MAHLE 3021308 Performance Steel Napier Piston Ring Set Bore - THM-13 4.025

Manufacturer

Part Number

3021308
Sale Price

$39.84

Estimated ship date Saturday, November 21

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The MAHLE 3021308 is a high-performance steel piston ring set designed for precision engine builds requiring a 4.025-inch bore diameter. This professional-grade ring set features MAHLE's proven Napier THM-13 design, engineered to deliver superior sealing, reduced friction, and enhanced durability in demanding applications.

Key Specifications:

  • Bore Size: 4.025 inches
  • Ring Thickness: 0.043 inches
  • Radial Wall Thickness: 0.135 inches
  • Configuration: Plain ring set
  • Material: Performance-grade steel construction
  • Design: Napier THM-13 profile

Features and Benefits:

  • Premium steel material ensures excellent wear resistance and longevity
  • Napier THM-13 design optimizes oil control and combustion sealing
  • Precision-engineered tolerances for consistent performance
  • Suitable for performance rebuilds and racing applications
  • Manufactured by MAHLE, a trusted leader in engine components

This ring set is ideal for engine builders and performance enthusiasts seeking reliable, high-quality piston rings for their custom or rebuilt engines. MAHLE's engineering expertise ensures optimal ring seal, reduced blow-by, and improved engine efficiency.

So far it's good...

quick and easy

Great Website.

Easy checkout.

GREAT!

Nice n easy fast no problems

smooth experience

Very good so far

little hard to get narrowed down to what i wanted but ok not sure of shipping from factory we will see

Phone service needs some work. Got disconnected many times.

Shippest.

I looked all over the web for the Thule sidekick car top carrier and autoplicity had the best price and the website was easy to maneuver through. It willbe my first stop for shopping.

Simply amazing prices, fast shipping, and easy to work with customer service! You can't find a better place to buy from!

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy