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Product Summary

Dirt Late Model, Modified, Stock Car, 4 Rebound Valving

  • Does not allow the chassis to be upset by sharp bumps
  • These Bilstein mono tube gas shocks feature digressive valving
  • Has a compressed length of 13.14" and an extended length of 20"
  • Both the upper and lower shock mounts have a 1/2" spherical rod end
  • It delivers a new level of control by damping slow suspension movements more effectively

Key Specs

MFG. Part #S7Z4040
Shock TypeMono Tube
Shock Body MaterialSteel
Shock Body TypeSmooth
Shock Body SizeLarge Body

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Bilstein S7Z4040 Details

These Bilstein mono tube gas shocks feature digressive valving. This delivers a new level of control by damping slow suspension movements more effectively while not allowing the chassis to be upset by sharp bumps. 

Bilstein has set the standard for years in Sprint Cup, Indy Car and Formula 1. Now it is setting the standard for Modifieds, Late Models and Open Wheel cars with these SZ Series S7Z shocks.

  • Comp. Length: 13.14"
  • Ext. Length: 20"
  • Body Dia.: 2"

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Bilstein S7Z4040 Specifications

KEY SPECS
MFG. Part #S7Z4040
BrandBilstein
Shock TypeMono Tube
Shock Body MaterialSteel
Shock Body TypeSmooth
Shock Body SizeLarge Body
GENERAL
Shock Stroke Range7.00" to 7.99"
Compression Valving4
Rebound Valving4
Shock Stroke7.00
Upper Shock Mount1/2" Spherical Rod End
Lower Shock Mount1/2" Spherical Rod End
Extended Length Range20.00" to 20.99"
Extended Length20"
Compressed Length Range13.00" to 13.99"
Compressed Length13.14"
FinishZinc Plated
Coil-Over CompatibleYes
Body Diameter2.00"
Valve Positions40 compression - 40 rebound
Bushing MaterialSteel
Sold in QuantityEach
Inside Diameter46 mm
Shock Eyelet Width.630"
Bolt Hole Circle.500"
Hardware IncludedNo
GTIN Code651860401416