Shock - SMX Series - Monotube - C4-R4 Valve - Steel - Black Paint - Rear - GM A-Body / F-Body / G-Body - Each

Shock

Bilstein SMX Series shock absorbers are specifically designed for motorsports applications that mandate the use of stock mount (OE) suspension components. Designed using 46mm monotube technology, the shocks are available in a variety of damping options including dry kit designed specifically to provide the best options for a variety of race track types and conditions. Built in the USA with precision components and top quality controls, the SMX Series shocks deliver Bilstein’s famous fade-free performance and consistency in a factory-mount package that championship winning racers demand.

Additional Information

46mm Monotube Shock Absorber

Application Summary

No Applications

Part Type

Suspension Shock Absorber

• 46mm piston design for maximum damping control
• A wide range of valving choices available for endless tuning combinations
• Precision Components And Top Quality Controls
• Stock mount design for GM metric chassis applications

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Product Downloads

#	Document Type	Download
1.	Installation Instructions
2.	Technical Bulletin
3.	Material Safety Data Sheet

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Shock, SMX Series, Monotube, 21.02 in. Extended Length, 12.95 in. Collapsed Length, 4 Custom Valving, GM Metric Rear, Black, Sold individually

The Bilstein SMX Series shocks are specifically designed for motorsports applications that mandate the use of stock mount (OE) suspension components. Engineered using 46mm monotube technology, the shocks are available in a variety of damping options including a dry kit designed specifically to provide the best options for a variety of racetrack types and conditions. Built with precision components and top-quality controls, the SMX Series shocks deliver Bilstein's famous fade-free performance and consistency in a factory-mount package that championship winning racers demand. Please specify required valving needed when ordering.

Additional features:
• Ultra-low seal drag and durability from the 11mm case-hardened stainless steel chrome shaft
• Low-drag motorsports piston band from Bilstein's race proven linear piston design
• Improved mating design to enhance suspension articulation from factory style rubber bushing mount