-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 Steel 2nd Ring Set for 4.125-inch Engines Part MHL3021220

Mahle OE
mhl3021220
Out of stock
Engine
$110.74 $43.97
This Mahle OE Performance Napier Steel 2nd Ring Set is designed for high-performance automotive engines with...

Mahle OE Performance Napier Steel 2nd Ring Set for 4.125-inch Engines Part MHL3021220

This Mahle OE Performance Napier Steel 2nd Ring Set is designed for high-performance automotive engines with a 4.125-inch bore diameter. Crafted with precision, these rings feature a 1.0mm thickness and a .136-inch ring width, providing optimal sealing and durability under demanding conditions. The set includes plain rings suitable for enhancing engine compression and efficiency, making it an excellent choice for performance applications. Constructed from high-quality steel, these rings are engineered to withstand high temperatures and pressures while maintaining their integrity over extended use. Their design ensures a reliable seal between the piston and cylinder wall, reducing blow-by and improving overall engine performance. Ideal for rebuilds or performance upgrades, these rings adhere to strict manufacturing standards, ensuring consistent quality and fit. Trust Mahle OE for proven reliability and performance in your automotive projects.

Features:

  • Designed for 4.125-inch bore engines for optimal fit and performance
  • Made from durable steel to withstand high temperatures and pressures
  • Plain ring design enhances sealing efficiency and engine compression
  • 1.0mm ring thickness provides a good balance between strength and flexibility
  • Includes performance-grade 2nd rings suitable for high-performance applications
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

×