Mahle MS GM Duramax 4.055in 3.0K 2.0mm 3.0mm Drop In Rings

Found a product cheaper? Our Sales Team is happy to help! Motorsport Teknik will match the advertised price of any identical, in-stock product from a reputable competitor's website. 

Excluded from Policy:  Clearance, Closeout, Used, Refurbished or Open-box items.

Typical order handling and processing time is 24 hours for orders placed Monday through Friday. We do our best to ship orders immediately but we reserve the right to take up to four (business) days to ship in-stock products. Business days are Monday through Friday; orders are not guaranteed to be processed on weekends. Orders placed after 3pm EST will be processed the following business day, regardless of the shipping method. Additionally, UPS/FedEx delivers ALL orders Monday thru Friday, regardless of the shipping time. If you need an order to be delivered on a Saturday (this applies to Next Day Air orders only), there is a $20 Saturday delivery fee, and this can only be arranged for by calling in and placing your order over the phone.

For out of stock items, or special ordering please give us a call at (510) 359-7232

WARNING: May contain items that are found to have compounds and/or chemicals known to the State of California to cause cancer, birth defects, and reproductive harm. For more info, please visitP65Warnings.ca.gov