Bilstein 4600 Series 17-18 Ford F-250 Super Duty / F-350 Super Duty Rear Shock Absorber Forced Induction>Turbo Kits Heavier Spring: Keeps wastegate valve

Heavier Spring: Keeps wastegate valve seated longer which maintains power

Engineered and manufactured in our Corona Ca manufacturing facility

This innovative design allows for easy filter servicing

stainless steel exhaust tip w/ laser-cut aFe POWER badge for quality brand recognition and a custom-styled look

All Kits include high flow Inlet tube

Bilstein 4600 Series 17-18 Ford F-250 Super Duty / F-350 Super Duty Rear Shock Absorber Forced Induction>Turbo Kits Heavier Spring: Keeps wastegate valveBilstein B6 4600 shock absorbers are designed as a direct fit upgrade to OE shock absorbers on stock height light trucks and SUVs. These shock absorbers feature a monotube design which provides consistent fade free performance. B6 4600 shock absorbers utilize a unique, velocity sensitive, digressive piston which reacts to changing road conditions. All B6 4600 shock absorbers are tuned for each specific application to ensure optimal performance is