Hypercoils Detroit Locker Replacement Spring - Ford 9" Rear Ends Only - 70lb 421996 Vehicle Applications: 15-16 MUSTANG GT

Vehicle Applications: 15-16 MUSTANG GT 5

5" in diameter and has straight vane for cooling and strength

All BMR springs are manufactured from chrome silicon high-tensile spring wire

Thread Chaser

Its the easy answer for easy entry and exit of both racing and street vehicles while retaining the cages legality for racing

Hypercoils Detroit Locker Replacement Spring - Ford 9" Rear Ends Only - 70lb 421996 Vehicle Applications: 15-16 MUSTANG GTSpring has superior durability and replaces the stock spring in Ford 9" rear ends with Detroit Lockers. Hypercoils are manufactured from the highest quality chrome silicone steel and high tensile chrome silicone steel available in the world. The material used in producing Hypercoils undergoes two separate magnaflux inspections. Once before manufacture and again after coiling. These inspections insure the wire is free from surface imperfections which,