20% Off Collectibles, In Stock Only. In-Stock merchandise only, one per customer, valid thru May 31st, coupon must be present at time of purchase. Present this coupon to: Hot Metal Harley-Davidson, Inc. 1122 Lebanon Rd, Rte 885 West Mifflin , PA 15122 Toll Free: 1-800-569-2744 Phone: 412-464-9453 Select File and Print to print your coupon. (PC Ctrl+P or MAC Apple+P)