Bilstein 5100 Series 46mm Monotube Shock Absorber — Fits 1977-1985 Chevrolet K30

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Bilstein

Bilstein has been the OE shock supplier to Mercedes-Benz, BMW, Porsche, and Ferrari since 1957. German-engineered B4 OE replacements, B6 sport, B8 lift-corrected, and B14/B16 coilovers — every Bilstein damper carries motorsport-derived monotube technology.

Bilstein B8 5125 Series 46mm Monotube Shock Absorber

The Bilstein B8 5125 series shock absorber is the premier choice for custom suspension builders requiring high-performance damping. Designed for vehicles that demand more than standard off-the-shelf options, these monotube shocks provide superior heat dissipation and consistent performance under extreme conditions. Whether you are upgrading a classic truck or building a custom off-road rig, the 5125 series delivers the precision handling Bilstein is known for.

Technical Specifications:

  • Design: High gas pressure monotube
  • Piston Diameter: 46mm
  • Valving: Self-adjusting deflective disc
  • Bushings: Industry-standard 5/8" hourglass
  • Application: Custom fitments and modified suspensions

Featuring a robust 46mm piston and advanced valving technology, these shocks adapt to changing road surfaces, providing a smooth ride on the highway and excellent control on the trail. The monotube construction prevents oil foaming, ensuring that your damping force remains consistent even during heavy-duty use. With various lengths and mounting configurations available, these shocks are highly adaptable to your specific vehicle geometry. The B8 5125 series is the ultimate solution for those who refuse to compromise on suspension quality. Elevate your vehicle's handling and durability with high-performance parts from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1977-1980 Chevrolet K30 Custom Deluxe
1977-1981 Chevrolet K30 Cheyenne
1977-1986 Chevrolet K30 Scottsdale
1977-1986 Chevrolet K30 Silverado
1981 Chevrolet K30 Deluxe
1981-1986 Chevrolet K30 Custom
1969-1974 Chevrolet K30 Pickup Base
1977-1978 GMC K35 Base
1977-1978 GMC K35 High Sierra
1977-1978 GMC K35 Sierra Classic
1977-1978 GMC K35 Sierra Grande
1969-1974 GMC K35/K3500 Pickup Base
1979-1986 GMC K3500 Base
1979-1986 GMC K3500 High Sierra
1979-1986 GMC K3500 Sierra Classic

Product Details

Product Description
Part Numbers
Sizing & Fit

About Bilstein

Bilstein has been the OE shock supplier to Mercedes-Benz, BMW, Porsche, and Ferrari since 1957. German-engineered B4 OE replacements, B6 sport, B8 lift-corrected, and B14/B16 coilovers — every Bilstein damper carries motorsport-derived monotube technology.

Bilstein B8 5125 Series 46mm Monotube Shock Absorber

The Bilstein B8 5125 series shock absorber is the premier choice for custom suspension builders requiring high-performance damping. Designed for vehicles that demand more than standard off-the-shelf options, these monotube shocks provide superior heat dissipation and consistent performance under extreme conditions. Whether you are upgrading a classic truck or building a custom off-road rig, the 5125 series delivers the precision handling Bilstein is known for.

Technical Specifications:

  • Design: High gas pressure monotube
  • Piston Diameter: 46mm
  • Valving: Self-adjusting deflective disc
  • Bushings: Industry-standard 5/8" hourglass
  • Application: Custom fitments and modified suspensions

Featuring a robust 46mm piston and advanced valving technology, these shocks adapt to changing road surfaces, providing a smooth ride on the highway and excellent control on the trail. The monotube construction prevents oil foaming, ensuring that your damping force remains consistent even during heavy-duty use. With various lengths and mounting configurations available, these shocks are highly adaptable to your specific vehicle geometry. The B8 5125 series is the ultimate solution for those who refuse to compromise on suspension quality. Elevate your vehicle's handling and durability with high-performance parts from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1977-1980 Chevrolet K30 Custom Deluxe
1977-1981 Chevrolet K30 Cheyenne
1977-1986 Chevrolet K30 Scottsdale
1977-1986 Chevrolet K30 Silverado
1981 Chevrolet K30 Deluxe
1981-1986 Chevrolet K30 Custom
1969-1974 Chevrolet K30 Pickup Base
1977-1978 GMC K35 Base
1977-1978 GMC K35 High Sierra
1977-1978 GMC K35 Sierra Classic
1977-1978 GMC K35 Sierra Grande
1969-1974 GMC K35/K3500 Pickup Base
1979-1986 GMC K3500 Base
1979-1986 GMC K3500 High Sierra
1979-1986 GMC K3500 Sierra Classic

Product Details

Product Description

About Bilstein

Bilstein has been the OE shock supplier to Mercedes-Benz, BMW, Porsche, and Ferrari since 1957. German-engineered B4 OE replacements, B6 sport, B8 lift-corrected, and B14/B16 coilovers — every Bilstein damper carries motorsport-derived monotube technology.

Bilstein B8 5125 Series 46mm Monotube Shock Absorber

The Bilstein B8 5125 series shock absorber is the premier choice for custom suspension builders requiring high-performance damping. Designed for vehicles that demand more than standard off-the-shelf options, these monotube shocks provide superior heat dissipation and consistent performance under extreme conditions. Whether you are upgrading a classic truck or building a custom off-road rig, the 5125 series delivers the precision handling Bilstein is known for.

Technical Specifications:

  • Design: High gas pressure monotube
  • Piston Diameter: 46mm
  • Valving: Self-adjusting deflective disc
  • Bushings: Industry-standard 5/8" hourglass
  • Application: Custom fitments and modified suspensions

Featuring a robust 46mm piston and advanced valving technology, these shocks adapt to changing road surfaces, providing a smooth ride on the highway and excellent control on the trail. The monotube construction prevents oil foaming, ensuring that your damping force remains consistent even during heavy-duty use. With various lengths and mounting configurations available, these shocks are highly adaptable to your specific vehicle geometry. The B8 5125 series is the ultimate solution for those who refuse to compromise on suspension quality. Elevate your vehicle's handling and durability with high-performance parts from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1977-1980 Chevrolet K30 Custom Deluxe
1977-1981 Chevrolet K30 Cheyenne
1977-1986 Chevrolet K30 Scottsdale
1977-1986 Chevrolet K30 Silverado
1981 Chevrolet K30 Deluxe
1981-1986 Chevrolet K30 Custom
1969-1974 Chevrolet K30 Pickup Base
1977-1978 GMC K35 Base
1977-1978 GMC K35 High Sierra
1977-1978 GMC K35 Sierra Classic
1977-1978 GMC K35 Sierra Grande
1969-1974 GMC K35/K3500 Pickup Base
1979-1986 GMC K3500 Base
1979-1986 GMC K3500 High Sierra
1979-1986 GMC K3500 Sierra Classic

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