Top HEAD DIAMETER 6.3mm X 11.5mm Hole size 6.5mm 17/64 STEM LENGTH 21mm GM REPLACES GM PART NUMBER 20421800
Any questions please e-mail or call Cliffs Auto Parts at 1-800-287-6152 . 8 AM TO 6 PM Monday - Friday Saturday 9 AM TO 4 PM Cliffs Auto Parts 4727 Conowingo RD Darlington MD 21034 . Shipping is in continental US only
