3-3/4 OD Crossover Extension Bushing 24 Long Shoulder to S

3-3/4 OD Crossover Extension Bushing 24 Long Shoulder to Shoulder. Crossover from C2002 (13536) 3-3/4 O.D. Series 70 Bowl to A10055 (37586) 3-3/4 O.D. Series 150 Top Sub. f/ Series 70 Overshot.