The Universal Kit will eliminate the need to measure your spindle. Air-Tight's Universal Kit comes with (3) different inner dimension size shims. One or none of the shims may be used in putting on the stainless steel bushing. Note: The universal kit for the 5 lug/ 3500lb has 3 shims. The universal kit for the 6 lug/ 5200 and the 8 lug 7000lb has 1 shim.

Full Kit Components Chrome Air Cap Bushing, stainless steel Super SealTM Diaphragm Sport needle Bonding agent Shim Seal Specifications ID 2 1/2 Double-lip Specially molded composition Gauge pressure recommendations 5-10 p.s.i.

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