5/16 inch Bolt Holes: 3 on 1.750 inch Bolt Circle Includes 5/8 inch Smooth Bore Hex Adapter and Fasteners Meets and Exceeds SFI Specification 42.1 Hub Assembly Weight: 2.65 oz. We set out to build the simplest to use and the lightest race car steering wheel quick release hub and we did it. Gain more room in your race cars cockpit by removing your steering wheel quickly and effortlessly with a Pro-werks quick disconnect steering hub. The combination of design with the right materials, enabled us to carve out all the unnecessary weight. The compact, black anodized hub is precision CNC machined from ultra-tough 2024 aerospace grade aluminum. The precision-fit hex design provides additional contact surface area for increased wear resistance over other shapes. This design is also faster and easier to load than contoured or splined connections. This 4 bolt version is popular in NHRA dragster and NHRA Funny Car applications when utilizing a dragster Butterfly Steering Wheel. One-Finger Operation The stainless steel, spring-loaded trigger pin features a “non-skid“ cupped release button for simple, positive one finger activation. Bring it all together An optional Adapter Stub C52-260 is available separately when using other steering shaft diameters.
