Hypercoils 14" UHT Barrel 2-1/2" I.D. Coil-Over Spring - 185 lb. BR30023 125" thick aluminum supports feature

125" thick aluminum supports feature a solid 3/8" aluminum reinforcement rod

Performer 454 TBI

1/2" barb inlets

All Del West retainers undergo 100% quality control for all critical characteristics

These air cleaners work with all popular 5-1/8" carburetors or 4-bbl

Hypercoils 14" UHT Barrel 2-1/2" I.D. Coil-Over Spring - 185 lb. BR30023 125" thick aluminum supports featureOptimum 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