Hypercoils 16" UHT Barrel 2-1/2" I.D. Coil-Over Spring - 125 lb. 2110016 Amalie Elixir Full Synthetic GL-5

Amalie Elixir Full Synthetic GL-5 75W90 is a 100% synthetic base oil product coupled with a robust additive system and an improved viscosity modifier to give you a high viscosity index

1953-1958 Buick Roadmaster

Boost / Vacuum Gauge

without factory rear sway bar

Like all Flowmaster products

Hypercoils 16" UHT Barrel 2-1/2" I.D. Coil-Over Spring - 125 lb. 2110016 Amalie Elixir Full Synthetic GL-5Optimum Body Diameter (OBD) Hypercoils feature a unique design concept that adjusts the body diameter of the spring relative to the end coils. The OBD design enables Hyperco to take full advantage of its ultra high tensile material by optimizing the applied stress through adjusting the spring's body diameter. The results are in and they are simply incredible: More Deflection Less Weight Increased Rate Linearity More Resistance to Bowing Fits All