When you buy four NAPA or Rancho ride control products Sept. 1 - Oct. 31, 2012 you'll get them for the price of three. Here's how it works. When you buy four qualifying shock or strut products, you'll get a prepaid card by mail equal to the cost of the lowest priced item. Along with your rebate, you'll also receive a $25 NAPA Car Care Cash Service Card on us. You can use the card towards any repair service at a NAPA AutoCare Center. Visit your store for full details and a list of qualifying shocks and struts.