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Est. 1957
FOX

Fox 4.0 Factory Series 16in P/B Res. 5-Tube Bypass Shock (3 Comp/2 Reb) 1-1/8in. Shaft (32/70) - Blk

$2279.95

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FOX 4.0 Bypass Shock. This 16-inch external bypass shock offers advanced damping control for demanding off-road use.

Key Features

  • Fits vehicles requiring a 4.0 x 16.0 external bypass shock with a 1-1/8 inch shaft.
  • Features a 5-tube external bypass design with 3 compression and 2 rebound adjustment tubes for fine-tuned damping.
  • The 4.0-inch diameter body and 16-inch stroke provide substantial damping capacity and travel.
  • Shaft is constructed from durable 17-4 H900 stainless steel for long-lasting performance.
  • Seamless alloy body is zinc plated for resistance to corrosion.
  • Black anodized CNC-machined aluminum components ensure a precise and robust build.
This shock is designed for vehicles requiring a 4.0 x 16.0 external bypass (5-tube) piggyback shock with a 1-1/8 inch shaft. Please verify your vehicle's specific suspension requirements.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

When you're pushing your vehicle to its limits off-road, whether that's navigating rough desert terrain or tackling steep rock climbs, having suspension that can keep up is crucial. This FOX 4.0 Factory Series bypass shock is built to handle that kind of punishment and deliver consistent performance when you need it most.

This shock features a 4.0-inch diameter body and a 16-inch stroke, giving you ample travel. The external bypass design allows for precise tuning of compression and rebound damping with 3 compression and 2 rebound tubes, letting you dial in the suspension's response to different terrain and driving styles. The 1-1/8 inch shaft is made from strong 17-4 H900 stainless steel, known for its durability. All the aluminum components are black anodized and CNC machined for a precise fit and finish, and the seamless alloy body is zinc plated for corrosion resistance. It uses a specialized FOX Racing Oil formulated for peak performance.

This shock is rebuildable and serviceable, meaning you can maintain it for long-term use. Custom valving options are also available if you need to fine-tune the damping even further for your specific application. This is a serious piece of suspension hardware designed for those who demand the best performance from their off-road vehicle.

Specifications

Brand
FOX
Manufacturer Part #
981-02-392
UPC
714686857475

Frequently Asked Questions

Fox 4.0 Factory Series 16in P/B Res. 5-Tube Bypass Shock (3 Comp/2 Reb) 1-1/8in. Shaft (32/70) - Blk

$2279.95