Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
This Hyperco helper spring has a 2
Birdcage / Grip Pins
NOTE: If this product is to be used with aftermarket (tall) EV1 performance injectors: You will need the 534-246 bracket kit
Not compatible with 1976 Pontiac 400 blocks due to factory notches at the top of cylinders
2007 GMC Sierra 2500 HD SLT No
Hypercoils Rear Coil Spring - 16" Tall - 5" O.D - 250 lb. Tank Mounting Bracket This Hyperco helper spring hasHypercoil SNS Series Rear Coil Springs are flat on both ends. Black painted for stock appearance. 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, if