Description

FOX 2.0 Performance Series Reservoir Rear Shock

For 1999–2019 GM 2500/3500 Trucks & SUVs with 3.5″–6.5″ Rear Lift

Upgrade your suspension with the FOX 2.0 Performance Series Reservoir Shock. Designed for lifted heavy-duty trucks and SUVs, this shock delivers improved ride quality, better heat control, and consistent damping performance both on and off the road.

The aluminum-bodied Performance Series 2.0 Reservoir smooth body shock delivers FOX’s industry-leading, race-dominating performance in an affordable, hassle-free bolt-on package. Its heat-reducing design features a metal-impacted clear anodized aluminum shock body that dissipates heat faster than conventional steel-body shocks, helping maintain consistent damping performance during demanding driving conditions.

The external reservoir increases oil and nitrogen capacity while delivering a striking race-inspired appearance. A black anodized reservoir mounting clamp and additional components are CNC-machined from 6061-T6 aluminum for durability and strength. Combined with FOX’s race-developed high-flow damping piston and application-specific valving, the Performance Series 2.0 Reservoir shock provides predictable ride quality capable of handling rough road conditions with confidence.

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Key Features

• Includes aluminum billet reservoir clamp
• Performance tuned for vehicle-specific applications
• Aluminum shock body dissipates heat faster than steel shocks
• External reservoir system improves cooling and oil capacity
• Black anodized CNC-machined aluminum components

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Specifications

Series: Performance Series
Rear Lift Height: 3.5″–6.5″
Travel: 12.12″

Extended Length: 29.52″
Compressed Length: 17.4″

Shock Body: 2.0″ impact extruded 6061-T6 aluminum
Body Finish: Clear anodized for corrosion resistance

Components: Black anodized CNC-machined 6061-T6 billet aluminum
Shaft: 5/8″ hard chrome plated heat-treated alloy steel
Piston: Race-developed high-flow piston design
Valving: Application-specific valving to maximize performance

Seals: Redundant sealing pack system including main seal, wiper seal, and scraper seal

Top Mount: Eyelet
Bottom Mount: Eyelet

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Fitment

Fits rear applications with 3.5″–6.5″ suspension lift on the following vehicles:

Chevrolet

• 2002–2006 Avalanche 2500
• 2001–2007 Silverado 1500 HD
• 1999–2004 Silverado 2500
• 2001–2019 Silverado 2500HD
• 2001–2019 Silverado 3500 / 3500HD
• 2000–2013 Suburban 2500

GMC

• 2001–2007 Sierra 1500 HD
• 1999–2004 Sierra 2500
• 2001–2019 Sierra 2500HD
• 2001–2019 Sierra 3500 / 3500HD
• 2000–2013 Yukon XL 2500

Hummer

• 2003–2009 Hummer H2 (4WD)

Fitment Notes

• Rear shock application
• Designed for vehicles with 3.5″–6.5″ rear lift
• Includes billet reservoir clamp

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