Bolt Shoulder

This 565944Q Shoulder Bolt is a genuine Indmar fastener designed for use with drive plates on GM-based Indmar marine engines. It features a 3/8"-16 thread with a 1" shoulder length, ensuring proper alignment and secure fastening between the flywheel and drive plate. These bolts are commonly used in Malibu Boats powered by Indmar engines and are required for proper installation of the drive plate. Specifications: Thread Size: 3/8"-16 Shoulder Length: 1 inch Shoulder Style: Precision-machined for marine use Part Number: 565944Q Sold individually. Be sure to order the correct quantity needed for your application. If you’re not sure how many you need, our team is here to help—just give us a call with your boat’s HIN.