The N90-70-28X Strap Kit is designed for the SPL90 and SPL100 series. It accommodates a cap diameter of 1.625 inches and has a center-to-center (C to C) measurement of 2.312 inches. The bolts in this kit measure 0.750 inches in length and feature a thread diameter of .375-24.
For optimal performance, the recommended bolt torque is 52 ft-lb. Both the strap and bolt are listed as N.S.S. (Not Specified), and this kit is manufactured by .