Billet Upright for IRS - Centerlock Spindle

Upright IRS Center-Lock Spindle Aluminum Body With Unit-Hub Bearing and Series 21 Stub Shaft. For Forgeline Center-Lock Wheels. Integal Toe-Link Arm With 3/4 Threaded Bore For 5/8 Rod-End Style Toe-link End. Choice of Short or Long Forgeline Style Spindle. FITMENT NOTE Minimum Rim Size 18" Diameter Depending on Rim Width. SAFETY NOTE: Forgeline Wheel Nuts are NOT Compatible. Must Use Chassisworks 7963-251 & 7963-252 Nuts. ------- SPECIAL ORDER PART NOT CANCELABLE OR RETURNABLE FOR ANY REASON---------