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The Mahle MS 4.030-inch Drop-In Rings are precision-engineered automotive components designed for optimal sealing and durability. These rings feature a 4.030-inch diameter with multiple thickness options, including 1.0mm and 2.0mm, making them versatile for various engine rebuilds and repairs. Crafted with high-quality materials, they ensure consistent performance under demanding conditions and are suitable for a broad range of vehicle applications. The drop-in design simplifies installation, reducing downtime and maintenance costs while providing a reliable seal for your engine's combustion chambers.
Each set of Mahle MS rings is manufactured to meet stringent quality standards, ensuring a perfect fit and long-lasting performance. They're compliant with Prop 65 regulations, emphasizing safety and environmental responsibility. Whether you're rebuilding an engine or performing routine maintenance, these drop-in rings are a dependable choice for professional mechanics and automotive enthusiasts alike. With easy installation features and proven reliability, Mahle drop-in rings help maintain engine compression and efficiency, extending the lifespan of your vehicle's engine.
Note that these rings are not CARB-approved, and proper handling and installation are recommended to maximize their benefits. Designed for use in various automotive engines, they are an essential component for achieving optimal engine performance and longevity.
Features:
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.
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).
