Terms and Conditions: This offer is valid only for product purchases made during the promotion period. Submissions postmarked after June 15, 2015 will not be accepted. Alteration or attempted alteration of cash register receipt is prohibited and constitutes fraud. Fraudulent submissions will not be honored. Progressive Suspension, Inc. 6911 Marlin Circle, La Palma, CA 90623, is not responsible for illegible, lost, late or undelivered mail. Non-complying redemption submissions will not be honored, acknowledged or returned. Please make a copy of your redemption form for your files. Promotion may not be used in conjunction with other offers. Redemption form may not be assigned, transferred, or sold. Please allow two to four weeks from the time the redemption form is received for delivery of item. Offer valid in the fifty United States, DC and Canada. Void where prohibited, taxed or restricted by law.