Round Wire Bump Spring - 3" Length | 1.63" ID | 600lbs/inch Flat Wire Assist Springs Part Number: Z60-127-460

Part Number: Z60-127-460

Part Number: 120-250-275 B

Spring Rate: 90lbs/inch

Spring Rate: 325lbs/inch

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Round Wire Bump Spring - 3" Length | 1.63" ID | 600lbs/inch Flat Wire Assist Springs Part Number: Z60-127-460Made from the same bulletproof wire material. Proprietary wire of 3 inches tall, 1. 625 inner diameter. Our 6th coil is utilized for Dirt Late Models and produced with the same Bullet Proof material in our proprietary wire HS5TW so you can guarantee the same quality of our other springs. Available in 400lb and 600lb rates! Round Wire 6th Coil Specifications Part Number: 030 163 600 Length : 3inch Inner Diameter : 1. 63inch Spring Rate : 600lbs inch