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Ships within 48 hours · Estimated delivery Oct 11 - Oct 16
Thread Chaser
All BMR springs are manufactured from chrome silicon high-tensile spring wire
12 x 15 in Rectangle Base
5" in diameter and has straight vane for cooling and strength
Hypercoils Detroit Locker Replacement Spring - Ford 9" Rear Ends Only - 70lb 421996 Thread ChaserSpring 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,
