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Fox 9.97 x 2.0 Coil-over Piggyback 5/8" Shaft with BOC & DSC
Part Number: 983-06-004

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Summary

Fox 2.0 Piggyback Coil Over with Dual Speed Compression Adjustment and Bottom Out Control

Ideal for any vehicle travelling over rough ground where ride compliance is important.

It has a built in Bottom Out Control or hydraulic bumpstop to allow softer intial compression forces and help to reduce bottom out events.

See description for an overview of the various design features of this versatile shock absorber.

Completely rebuildable and revalvable.

Description

Dual Speed Compression (DSC)

With DSC, you can adjust the shock's high and low-speed compression damping by simply turning the external adjusters. DSC allows you to maximize small bump compliance and traction while still having the extra damping required for big hits.

LSC Adjustment Range

The Low Speed Compression (LSC) adjuster primarily affects compression damping during slow suspension movements such as G-outs or smooth jump landings. It also affects wheel traction and the harshness or plushness of the vehicle (note that low-speed has nothing to do with the speed of the vehicle). Choose an LSC setting that gives good body control without causing excessive harshness or loss of traction.

HSC Adjustment Range

The High Speed Compression (HSC) adjuster mainly affects compression damping during medium to fast suspension movements such as steep jump faces, harsh flat landings and aggressive whoops. The goal is to run as little high-speed compression damping as possible without bottoming.

 

Bottom Out Control (BOC)

FOX's bottom-out control provides extra resistance against bottom-outs.

As the shock is compressed, the secondary piston will enter the bottom-out cup in the final 25% of travel to produce up to 3000 lbs of additional damping force. This allows the shocks to be tuned to give improved small bump compliance in the upper portion of the stroke, while still maintaining the ability to absorb huge impacts effectively.

 

As the shock is compressed (Position B), the secondary piston will enter the bottom-out cup in the final 25% of travel to produce up to 3000 lbs of additional damping force. This allows the shocks to be tuned to give improved small bump compliance in the upper portion of the stroke, while still maintaining the ability to absorb huge impacts effectively.

Technical Specifications

Dimensions

  • Open Length 29.64"
  • Closed Length 19.675"

Body

  • Smooth-bore, clear coated, zinc plated, honed seamless alloy bodies

Components

  • Black anodized 6061-T6 billet aluminum

Shaft

  • 5/8" hard chrome plated heat treated alloy steel

Piston

  • Race-developed high-flow piston design

Valving

  • Proprietary deburred valve shims

Seals

  • Redundant sealing pack system main seal, wiper seal, scraper seal
  • Optional high temperature Viton seals

Oil

  • Ultra Extreme Race Oil
  • Specially formulated for ultimate performance at variable temperatures

Reservoir

  • 2.0" Dia. x 5" Long
  • Piggyback on 360° rotatable bridge for easy fitment in all applications

DSC Compression Adjuster

  • High & Low speed Compression Ajustment

Bottom Out Control (BOC)

  • Built in Hydraulic Bumpstop

Spring Hardware

  • 2.5" ID single rate spring hardware

Mounting

  • Lined, heat-treated, alloy steel spherical bearings
  • Mounts 1/2" Bolt Dia.
  • 1.25" Tab Width (spacers included)
  • Optional spacer x 1 1/2" wide