{"product_id":"qa1-pro-dd501-12130-rear-double-adjustable-coil-over-kit","title":"QA1 Pro DD501-12130 Rear Double Adjustable Coil-Over Kit","description":"\u003cp\u003eUpgrade your rear end with the Pro-Rear System from QA1.\u003c\/p\u003e\u003cp\u003eAvailable options include double adjustable, single adjustable, and ride sensitive valving non-adjustable.\u003c\/p\u003e\u003cp\u003eEach adjustment has been carefully defined to maximize performance with the ideal force curve.\u003c\/p\u003e\u003cp\u003eWith evenly spaced valving changes throughout the adjustment range, there are no jumps when adjusting between any two clicks.\u003c\/p\u003e\u003cp\u003eCommonly used in drag racing, street performance, and street rod applications, these Pro-Rear Systems are available in Simultaneous Compression and Rebound Single Adjustable (DS), Independent Compression \u0026amp; Rebound Double Adjustable (DD), or Ride Sensitive Non-Adjustable (ALN) Coil-Over.\u003c\/p\u003e\u003cp\u003eLightweight aluminum ride height is adjustable, and spring mounting hardware is included.\u003c\/p\u003e\u003cp\u003e100% dyno tested and serialized, they are revalveable and rebuildable by the QA1 factory or QA1 authorized service centers.\u003c\/p\u003e\u003cp\u003ePrecision machined aluminum piston with PTFE piston band.\u003c\/p\u003e\u003cp\u003e5\/8\" centerless ground, hard chrome plated, solid piston rod.\u003c\/p\u003e\u003cp\u003eThree-step sealing system.\u003c\/p\u003e\u003cp\u003eMade in the USA.\u003c\/p\u003e\u003cp\u003eKit includes: (2) Proma Star Shocks or Aluma Matic Shocks, (2) linear or variable rate springs, and all mounting hardware.\u003c\/p\u003e","brand":"QA1 Precision Products Inc","offers":[{"title":"Default Title","offer_id":51744948486426,"sku":"QAPDD501-12130","price":1066.88,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8942\/8506\/files\/61EMwUaXIzL_5a519651-28b3-4546-beef-2ba604c51326.jpg?v=1771957100","url":"https:\/\/trybeepbeep.com\/products\/qa1-pro-dd501-12130-rear-double-adjustable-coil-over-kit","provider":"TryBeepbeep","version":"1.0","type":"link"}