Bilstein 5100 Series 46mm Rear Shock, 77-86 Chevrolet K30

Bilstein B8 5100 Series Monotube Shock Absorber The photo may show more than is included; this listing is for: Bilstein 5100 Series 77-86 Chevrolet K30 / K30 Pickup Rear 46mm Monotube Shock Absorber. This listing is for one shock absorber. Brand: Bilstein — engineered for performance, durability and custom suspension solutions. The Bilstein B8 5100 Series is a high‑gas pressure monotube shock absorber for the rear of 1977-1986 Chevrolet K30 / K30 Pickup. Built for tuners, fabricators and suspension builders, this shock delivers consistent damping, improved control and long service life. Vehicle fitment: Rear fitment for 1977-1986 Chevrolet K30 / K30 Pickup. Mounting choices: Available in eye/eye or stem/eye configurations for flexible installation. Standard bushings: Supplied with industry standard 5/8" hourglass bushings for easy integration. Advanced valving: 46mm piston with self‑adjusting deflective disc valving for predictable damping across conditions. Durability: Monotube construction and high gas pressure reduce fade and improve heat dissipation. Choose the Bilstein B8 5100 Series shock when you need a reliable, performance‑oriented solution for the specified vehicle. Ideal for builders seeking precise control, consistent performance and proven Bilstein engineering.