Ford Racing 15-17 F-150 20in x 8.5in Six Spoke Wheel - Matte Black Forced Induction>Turbo Upgrade Components /inch rear dual-rate spring offer

/inch rear dual-rate spring offer plenty of weight transfer for hard launches

Bottom line is Borla(r) gives you a lot of reasons to upgrade your six-shooter

The Kits listed by Fabtech are the tallest you can safely use without ball joint

The air spring kit is designed with an internal jounce bumper that allows the springs to run safely with zero air pressure

They also include rubber tubing adapters and stainless steel hose clamps to complete the installation

Ford Racing 15-17 F-150 20in x 8.5in Six Spoke Wheel - Matte Black Forced Induction>Turbo Upgrade Components /inch rear dual-rate spring offerFRPP uses the Society of Automotive Engineers (SAE) and American Society for Testing and Materials (ASTM) Standars: SAE J175 and J328 for impact and fatigue testing and ASTM B368 for chrom testing. These standards define a series of tests that ensure the safety and finish of a wheel. THESE TESTS ARE THE MINIMUM STANDARD USED TO DEFINE THE ENDURANCE OF FRPP WHEELS. Impact Testing: This test simulates a curb impact on the side of a tire wheel assembly.