Chevy Chevrolet GM GMC Blazer Truck C10 K5 K10 Suburban 1979 73-87/91

　　Want to tighten up the steering on your squarebody GM truck?

　　Get rid of that worn rag joint on your steering shaft!

　　These two couplers fit most models '79 and newer:

　　1"DD x1"DD on steering column shaft, and

　　3/4" DD x 3/4" 30-spline on steering gearbox.

　　Then all you need is this steering shaft on Amazon: https://a.co/d/cFnsv2q.

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