Hypercoils 16" UHT Barrel 2-1/2" I.D. Coil-Over Spring - 138 lb. H76903FXL Needs 2500+ stall and lower

Needs 2500+ stall and lower gear

5" Fill Cap - Threaded - Non Vented (Fits FN250 & FN250A)

and a billet fill cap

2022 Chevrolet Silverado 1500 LTD High Country Crew Cab Pickup

Hypercoils 16" UHT Barrel 2-1/2" I.D. Coil-Over Spring - 138 lb. H76903FXL Needs 2500+ stall and lowerOptimum 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