TK30532 9/16" SRW to 5/8" DRW Rear Adapter Set for 77-91 GM Square Body

TK30532 9/16" Single Rear Wheel to 5/8" Dual Rear Wheel Rear Adapter Set for 1977-1991 GM square body style trucks are precision machined in USA from solid steel. TK30532 includes 9/16" nuts to attach the adapter to your wheel hub plus 5/8" studs and nuts to hold your dual wheel to the adapter. Quickly and easily convert your GM SRW into a dually truck! Our adapters are designed to mount directly to your existing axle studs and require no modifications to your vehicle. Each adapter is machined specifically to your vehicle’s wheel mounting configuration for a perfect fit every time. TK30532 fits 1977-1991 GM square body trucks with original equipment type hub centric wheels. If you are using wheels from any other application, contact us!