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Shocks for Cars & Trucks

What’s the Difference Between B4, B6 and B8 Products?

B4, B6, and B8: Here’s How They Are Different.

B4

B4 refers to products that are original equipment replacements. Meaning, the products have the same valving profile, ride height and high quality components and fitment as the original equipment shocks that came on your vehicle from the manufacturer. 


B6 for Passenger Cars (B6 Performance)

Bilstein B6 Performance dampers are a performance upgrade to OE dampers designed to be paired with the stock height OE factory spring. These dampers offer application specific valving with a monotube design to bring out the best handling performance of a vehicle. Each damper is rigorously tested for quality that meets or exceeds OE standards. B6 Performance dampers will provide improved safety and handling performance with the added benefit of world-famous Bilstein quality.

B8 for Passenger Cars (B8 Performance Plus)

Bilstein B8 Performance Plus dampers are a performance upgrade to OE dampers designed to be paired with aftermarket lowering springs. These dampers offer application specific valve settings with a monotube design to bring out the best handling performance of a vehicle. Each damper is rigorously tested for quality that meets or exceeds OE standards. B8 Performance Plus dampers are the ideal solution for pairing with a lowering spring for improved handling and sportier look with the added benefit of world-famous Bilstein quality.


B6 for Truck/SUV (B6 4600)

Bilstein B6 4600 shock absorbers are designed as a direct fit upgrade to OE shock absorbers on stock height light trucks and SUV’s. 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 achieved. B6 4600 shock absorbers offer a significant improvement in ride quality, handling, and comfort.


B8 for Truck/SUV (B8 5100, B8 5100 Ride Height Adjustable, B8 6112, B8 8100, B8 8100 Bypass, B8 8112 ZoneControl)

The “B8” designation placed in front of our 5100, 6112, 8100, and 8112 series shocks simply denotes that these shocks are designed for lifted or leveled trucks and SUVs. 

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