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  • Mahle OE Performance Steel Napier Ring Set for THM-13 Engines – 4.185 Inch Diameter, 1.5mm Width, .150 Ring Height
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Mahle OE Performance Steel Napier Ring Set for THM-13 Engines – 4.185 Inch Diameter, 1.5mm Width, .150 Ring Height
Load image into Gallery viewer, Mahle OE Performance Steel Napier Ring Set for THM-13 Engines – 4.185 Inch Diameter, 1.5mm Width, .150 Ring Height

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Mahle OE Performance Steel Napier Ring Set for THM-13 Engines – 4.185 Inch Diameter, 1.5mm Width, .150 Ring Height

Mahle OE
mhl3021275
Out of stock
Engine
$110.60 $43.97
The Mahle OE Performance Steel Napier Ring Set is engineered for high-performance automotive applications, specifically designed...
Mahle OE Performance Steel Napier Ring Set for THM-13 Engines – 4.185 Inch Diameter, 1.5mm Width, .150 Ring Height
Description

The Mahle OE Performance Steel Napier Ring Set is engineered for high-performance automotive applications, specifically designed for THM-13 engine builds. Crafted from durable steel, these rings provide reliable sealing and wear resistance, ensuring optimal engine performance and longevity. The set includes plain rings with a diameter of 4.185 inches, a width of 1.5mm, and a ring height of .150 inches, making them suitable for precision engine rebuilds and upgrades.
Designed with the professional mechanic and enthusiast in mind, these rings offer a perfect fit and consistent sealing capabilities. The steel construction ensures excellent heat and pressure resistance, which is critical for maintaining compression and preventing blow-by under demanding operating conditions. Mahle OE's commitment to quality manufacturing means you can trust these rings to meet or exceed OEM specifications.
These performance rings are not CARB-approved but are ideal for applications where high durability and precise sealing are priorities. Easy to install and compatible with a range of automotive engines, the Mahle OE Steel Napier Ring Set is a reliable choice for restoring engine power and efficiency. Whether for rebuilds, repairs, or performance upgrades, these rings deliver consistent performance and dependability in demanding automotive environments.

Features:

  • Engineered for THM-13 engines with a 4.185-inch diameter
  • Constructed from high-strength steel for durability
  • Includes plain rings with 1.5mm width and .150 ring height
  • Designed for reliable sealing and wear resistance
  • Ideal for engine rebuilds and performance upgrades
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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).

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