Billet Upright for IRS - 4-1/2" Bolt Circle A

Upright IRS 4-1/2 Bolt Circle Aluminum Body With Unit-Hub Bearing Spindle and Series 21 Stub Shaft. Integal Toe-Link Arm With 3/4 Threaded Bore For 5/8 Rodend Style Toe-link End. Spindle Cap Has 2.780 Wheel Register Diameter. FITMENT NOTE Minimum Rim Size 18" Diameter Depending on Rim Width. ------- SPECIAL ORDER PART NOT CANCELABLE OR RETURNABLE FOR ANY REASON---------