-60%
Sold out
  • Trusted by Racers

    Professional-grade parts used trackside.

  • Real Support, Real People

    Expert help during business hours.

  • Secure Shopping

    Encrypted checkout & trusted payments.

  • Fast U.S. Shipping

    Orders ship quickly from regional warehouses.

Mahle OE Performance Napier Ring Set for THM-13 Engines - 3.551 x 1.5MM Plain Rings

Mahle OE
mhl3021268
Out of stock
Engine
$109.80 $42.97
The Mahle OE Performance Napier Ring Set designed for THM-13 engines offers reliable performance and precise...

Mahle OE Performance Napier Ring Set for THM-13 Engines - 3.551 x 1.5MM Plain Rings

The Mahle OE Performance Napier Ring Set designed for THM-13 engines offers reliable performance and precise fitment for automotive applications. These high-quality plain rings are engineered to enhance engine efficiency by ensuring optimal compression and sealing. Constructed with durability and precision in mind, the rings are suitable for rebuilds and performance upgrades where reliable sealing is critical.

Each ring in this set features a size of approximately 3.551 inches in diameter with a 1.5MM thickness, providing a perfect match for compatible engine components. The design incorporates Napier-style rings, which help in reducing oil consumption and improving overall engine performance. Mahle’s commitment to quality ensures that these rings meet stringent standards for durability and performance, making them a trusted choice for professional rebuilders and automotive enthusiasts.

This set is not carburetor approved and is intended for use in specific engine configurations. It is not suitable for air freight due to shipping restrictions but can be delivered via other freight methods. The rings are part of Mahle's OE performance line, emphasizing high standards and precise engineering for demanding automotive applications. Proper installation and compatibility checks are recommended to ensure optimal performance and longevity of your engine components.

Features:

  • Designed for THM-13 engines with a diameter of approximately 3.551 inches
  • Plain ring style with a thickness of 1.5MM for effective sealing
  • Napier design helps reduce oil consumption and improve engine efficiency
  • Constructed with durable materials for long-lasting performance
  • Part of Mahle OE performance line, ensuring quality and reliability
Read More
Read Less

Shipping

Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.

Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.

Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.

Returns

Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.

Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.

Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.

Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).

Your cart

×