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  • Mahle MS 4.390 inch / 1/16 inch Drop-In Rings (Part #4390MS)
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Mahle MS 4.390 inch / 1/16 inch Drop-In Rings (Part #4390MS)
Mahle MS 4.390 inch / 1/16 inch Drop-In Rings (Part #4390MS)
Mahle MS 4.390 inch / 1/16 inch Drop-In Rings (Part #4390MS)
Mahle MS 4.390 inch / 1/16 inch Drop-In Rings (Part #4390MS)
Mahle MS 4.390 inch / 1/16 inch Drop-In Rings (Part #4390MS)
Load image into Gallery viewer, Mahle MS 4.390 inch / 1/16 inch Drop-In Rings (Part #4390MS)
Load image into Gallery viewer, Mahle MS 4.390 inch / 1/16 inch Drop-In Rings (Part #4390MS)
Load image into Gallery viewer, Mahle MS 4.390 inch / 1/16 inch Drop-In Rings (Part #4390MS)
Load image into Gallery viewer, Mahle MS 4.390 inch / 1/16 inch Drop-In Rings (Part #4390MS)
Load image into Gallery viewer, Mahle MS 4.390 inch / 1/16 inch Drop-In Rings (Part #4390MS)

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Mahle MS 4.390 inch / 1/16 inch Drop-In Rings (Part #4390MS)

Mahle
mhl4390MS
Out of stock
Engine
$118.05
The Mahle MS 4.390 inch / 1/16 inch Drop-In Rings are designed for precise engine sealing...
Mahle MS 4.390 inch / 1/16 inch Drop-In Rings (Part #4390MS)
Description

The Mahle MS 4.390 inch / 1/16 inch Drop-In Rings are designed for precise engine sealing and performance. These rings feature a versatile size configuration with a 4.390-inch diameter and multiple thickness options including 1/16 inch and 3/16 inch, making them suitable for a variety of automotive applications. Crafted with quality materials, they provide a reliable fit and help maintain optimal engine compression and efficiency. Ideal for automotive professionals and enthusiasts alike, these rings are engineered to meet high standards of durability and performance in demanding conditions.

Features:

  • Diameter: 4.390 inches for a secure and accurate fit in engine components.
  • Multiple thickness options: 1/16 inch and 3/16 inch to accommodate different sealing requirements.
  • Universal application: Suitable for a wide range of automotive engines and assemblies.
  • Material quality: Made from durable materials designed to withstand engine heat and pressure.
  • Prop 65 compliant: Meets California Proposition 65 safety standards for chemical safety.
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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).

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