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EXTERNAL BYPASS

2.0 FACTORY RACE SERIES EXTERNAL BYPASS

At FOX, racing has always been the cornerstone of our product development. FOX devotes countless hours of research and development to design suspension that withstands incredible punishment and provides consistent performance you can rely on.

Our diverse line of bypass shocks, from the 2.5 coil-over with internal bypass to the massive 4.4 inch external bypass, are made with one goal in mind: to win races.


FAMILY FEATURES

Body Smooth bore and honed seamless steel
Body Plating Zinc plated for a long-lasting finish
Components Black anodized, CNC machined 6061-T6 billet aluminum
Piston Stainless steel for improved performance at high temperatures*
Valving Tunable, velocity sensitive deburred valve shims
Seals High-temp Viton® redundant sealing pack system with main seal, wiper seal and scraper seal*
Oil JM92 Advanced Suspension Fluid for improved performance at variable temperatures
Shafts 17-4 H900 hard chrome plated stainless steel
Bearing Spherical, PFTE-lined, heat-treated alloy steel
Adjustments
  • Rotating Body Cap
  • Compression bypass adjusters
  • Rebound bypass adjusters
  • Free bleed bypass adjuster
  • Compression valving
  • Rebound valving

*2.0, 2.5, 3.0, and 3.5 are 7075 hard-anodized aluminum

2.0 Factory Race Series External Bypass Piggyback

2.0 OPTIONS

2.0 PIGGYBACK

  • 1-1/2" mounting width spacers
  • Multiple eyelet mounting lengths
  • Custom bypass layout
  • High or low flow piston
  • External Cooling System 2 (ECS2)

TUBE
2 Tube, 3 Tube

SHAFT - TRAVEL
7/8" - 10.0, 12.0, 14.0, 16.0


2.0 APPLICATION GUIDE

2.0 EXTERNAL BYPASS SHAFT EXT COMP RESERVOIR HOSE MOUNTING VALVING PART # PRICE
FACTORY RACE 2.0 X 10.0 EXTERNAL BYPASS (2 TUBE) PIGGYBACK SHOCK 7/8 26.1 16.1 2.0 x 8.0 1/2 x 1.25 90/50 980-02-225 $689.95
FACTORY RACE 2.0 X 10.0 EXTERNAL BYPASS (3 TUBE) PIGGYBACK SHOCK 7/8 26.1 16.1 2.0 x 8.0 1/2 x 1.25 90/50 980-02-295 $769.95
FACTORY RACE 2 X 10 EXTERNAL BYPASS (4 TUBE) REMOTE SHOCK - CLASS 1-2 1600 5/8 27.09 17.09 2.0 x 8.0 -10 x 31.0 1/2 x 1.25 85/25 980-02-996 $789.95
FACTORY RACE 2.0 X 12.0 EXTERNAL BYPASS (2 TUBE) PIGGYBACK SHOCK 7/8 31.1 19.1 2.0 x 11.0 1/2 x 1.25 90/50 980-02-226 $689.95
FACTORY RACE 2.0 X 12.0 EXTERNAL BYPASS (3 TUBE) PIGGYBACK SHOCK 7/8 31.1 19.1 2.0 x 11.0 1/2 x 1.25 90/50 980-02-296 $769.95
FACTORY RACE 2.0 X 14.0 EXTERNAL BYPASS (2 TUBE) PIGGYBACK SHOCK 7/8 35.1 21.1 2.0 x 11.0 1/2 x 1.25 90/50 980-02-227 $709.95
FACTORY RACE 2.0 X 14.0 EXTERNAL BYPASS (3 TUBE) PIGGYBACK SHOCK 7/8 35.1 21.1 2.0 x 11.0 1/2 x 1.25 90/50 980-02-297 $799.95
FACTORY RACE 2.0 X 16.0 EXTERNAL BYPASS (2 TUBE) PIGGYBACK SHOCK 7/8 40.1 24.1 2.0 x 11.0 1/2 x 1.25 90/50 980-02-240 $729.95
FACTORY RACE 2.0 X 16.0 EXTERNAL BYPASS (3 TUBE) PIGGYBACK SHOCK 7/8 40.1 24.1 2.0 x 11.0 1/2 x 1.25 90/50 980-02-298 $809.95

2.5 FACTORY RACE SERIES EXTERNAL BYPASS

At FOX, racing has always been the cornerstone of our product development. FOX devotes countless hours of research and development to design suspension that withstands incredible punishment and provides consistent performance you can rely on.

Our diverse line of bypass shocks, from the 2.5 coil-over with internal bypass to the massive 4.4 inch external bypass, are made with one goal in mind: to win races.


FAMILY FEATURES

Body Smooth bore and honed seamless steel
Body Plating Zinc plated for a long-lasting finish
Components Black anodized, CNC machined 6061-T6 billet aluminum
Piston Stainless steel for improved performance at high temperatures*
Valving Tunable, velocity sensitive deburred valve shims
Seals High-temp Viton® redundant sealing pack system with main seal, wiper seal and scraper seal*
Oil JM92 Advanced Suspension Fluid for improved performance at variable temperatures
Shafts 17-4 H900 hard chrome plated stainless steel
Bearing Spherical, PFTE-lined, heat-treated alloy steel
Adjustments
  • Rotating Body Cap
  • Compression bypass adjusters
  • Rebound bypass adjusters
  • Free bleed bypass adjuster
  • Compression valving
  • Rebound valving

*2.0, 2.5, 3.0, and 3.5 are 7075 hard-anodized aluminum

2.5 Factory Race Series External Bypass Piggyback
2.5 Factory Race Series External Bypass Remote

2.5 OPTIONS

2.5 REMOTE

  • QAB knobs
  • 1-1/4" mounting width spacers
  • Multiple eyelet mounting lengths
  • Custom bypass layout
  • Reservoir hose-fittings and lengths
  • High or low flow piston
  • External Cooling System 2 (ECS2)

TUBE
3 Tube

SHAFT - TRAVEL
7/8" - 10.0, 12.0, 14.0, 16.0, 18.0

2.5 PIGGYBACK

  • QAB knobs
  • 1-1/4" mounting width spacers
  • Multiple eyelet mounting lengths
  • Custom bypass layout
  • External Cooling System 2 (ECS2)

TUBE
2 Tube, 3 Tube, 4 Tube

SHAFT - TRAVEL
7/8" - 8.0, 10.0, 12.0, 14.0, 16.0, 18.0


2.5 APPLICATION GUIDE

2.5 EXTERNAL BYPASS SHAFT EXT COMP RESERVOIR HOSE MOUNTING VALVING PART # PRICE
FACTORY RACE2.5 X 8.0 EXTERNAL BYPASS (2 TUBE) PIGGYBACK SHOCK 7/8 25.43 17.43 2.5 x 8.00 1/2 x 1.50 2,1/70 980-02-205 $779.95
FACTORY RACE 2.5 X 8.0 EXTERNAL BYPASS (3 TUBE) PIGGYBACK SHOCK 7/8 25.43 17.43 2.5 x 8.00 1/2 x 1.50 2,1/70 980-02-212 $889.95
FACTORY RACE 2.5 X 8.0 EXTERNAL BYPASS (4 TUBE) PIGGYBACK SHOCK 7/8 25.43 17.43 2.5 x 8.00 1/2 x 1.50 2,1/70 980-02-218 $979.95
FACTORY RACE 2.5 X 10.0 EXTERNAL BYPASS (3 TUBE) REMOTE SHOCK 7/8 29.43 19.43 2.5 x 10.0 -10 x 28.0 1/2 x 1.50 2,1/70 980-02-138 $929.95
FACTORY RACE2.5 X 10.0 EXTERNAL BYPASS (2 TUBE) PIGGYBACK SHOCK 7/8 29.43 19.43 2.5 x 10.0 1/2 x 1.50 2,1/70 980-02-206 $819.95
FACTORY RACE 2.5 X 10.0 EXTERNAL BYPASS (3 TUBE) PIGGYBACK SHOCK 7/8 29.43 19.43 2.5 x 10.0 1/2 x 1.50 2,1/70 980-02-213 $909.95
FACTORY RACE 2.5 X 10.0 EXTERNAL BYPASS (4 TUBE) PIGGYBACK SHOCK 7/8 29.43 19.43 2.5 x 10.0 1/2 x 1.50 2,1/70 980-02-219 $979.95
FACTORY RACE 2.5 X 12.0 EXTERNAL BYPASS (3 TUBE) REMOTE SHOCK 7/8 33.43 21.43 2.5 x 10.0 -10 x 28.0 1/2 x 1.50 2,1/70 980-02-111 $949.95
FACTORY RACE2.5 X 12.0 EXTERNAL BYPASS (2 TUBE) PIGGYBACK SHOCK 7/8 33.43 21.43 2.5 x 10.0 1/2 x 1.50 2,1/70 980-02-207 $869.95
FACTORY RACE 2.5 X 12.0 EXTERNAL BYPASS (3 TUBE) PIGGYBACK SHOCK 7/8 33.43 21.43 2.5 x 10.0 1/2 x 1.50 2,1/70 980-02-214 $929.95
FACTORY RACE 2.5 X 12.0 EXTERNAL BYPASS (4 TUBE) PIGGYBACK SHOCK 7/8 33.43 21.43 2.5 x 10.0 1/2 x 1.50 2,1/70 980-02-221 $1009.95
FACTORY RACE 2.5 X 14.0 EXTERNAL BYPASS (3 TUBE) REMOTE SHOCK 7/8 38.43 24.43 2.5 x 14.0 -10 x 38.0 1/2 x 1.50 2,1/70 980-02-113 $999.95
FACTORY RACE2.5 X 14.0 EXTERNAL BYPASS (2 TUBE) PIGGYBACK SHOCK 7/8 38.43 24.43 2.5 x 14.0 1/2 x 1.50 2,1/70 980-02-208 $869.95
FACTORY RACE 2.5 X 14.0 EXTERNAL BYPASS (3 TUBE) PIGGYBACK SHOCK 7/8 38.43 24.43 2.5 x 14.0 1/2 x 1.50 2,1/70 980-02-215 $959.95
FACTORY RACE 2.5 X 14.0 EXTERNAL BYPASS (4 TUBE) PIGGYBACK SHOCK 7/8 38.43 24.43 2.5 x 14.0 1/2 x 1.50 2,1/70 980-02-222 $1049.95
FACTORY RACE 2.5 X 16.0 EXTERNAL BYPASS (3 TUBE) REMOTE SHOCK 7/8 42.43 26.43 2.5 x 14.0 -10 x 38.0 1/2 x 1.50 2,1/70 980-02-115 $1019.95
FACTORY RACE2.5 X 16.0 EXTERNAL BYPASS (2 TUBE) PIGGYBACK SHOCK 7/8 42.43 26.43 2.5 x 14.0 1/2 x 1.50 2,1/70 980-02-209 $899.95
FACTORY RACE 2.5 X 16.0 EXTERNAL BYPASS (3 TUBE) PIGGYBACK SHOCK 7/8 42.43 26.43 2.5 x 14.0 1/2 x 1.50 2,1/70 980-02-216 $979.95
FACTORY RACE 2.5 X 16.0 EXTERNAL BYPASS (4 TUBE) PIGGYBACK SHOCK 7/8 42.43 26.43 2.5 x 14.0 1/2 x 1.50 2,1/70 980-02-223 $1079.95
FACTORY RACE 2.5 X 18.0 EXTERNAL BYPASS (3 TUBE) REMOTE SHOCK 7/8 46.43 28.43 2.5 x 14.0 -10 x 38.0 1/2 x 1.50 2,1/70 980-02-117 $1029.95
FACTORY RACE2.5 X 18.0 EXTERNAL BYPASS (2 TUBE) PIGGYBACK SHOCK 7/8 46.43 28.43 2.5 x 14.0 1/2 x 1.50 2,1/70 980-02-211 $899.95
FACTORY RACE 2.5 X 18.0 EXTERNAL BYPASS (3 TUBE) PIGGYBACK SHOCK 7/8 46.43 28.43 2.5 x 14.0 1/2 x 1.50 2,1/70 980-02-217 $999.95
FACTORY RACE 2.5 X 18.0 EXTERNAL BYPASS (4 TUBE) PIGGYBACK SHOCK 7/8 46.43 28.43 2.5 x 14.0 1/2 x 1.50 2,1/70 980-02-224 $1089.95

3.0 FACTORY RACE SERIES EXTERNAL BYPASS

At FOX, racing has always been the cornerstone of our product development. FOX devotes countless hours of research and development to design suspension that withstands incredible punishment and provides consistent performance you can rely on.

Our diverse line of bypass shocks, from the 2.5 coil-over with internal bypass to the massive 4.4 inch external bypass, are made with one goal in mind: to win races.


FAMILY FEATURES

Body Smooth bore and honed seamless steel
Body Plating Zinc plated for a long-lasting finish
Components Black anodized, CNC machined 6061-T6 billet aluminum
Piston Stainless steel for improved performance at high temperatures*
Valving Tunable, velocity sensitive deburred valve shims
Seals High-temp Viton® redundant sealing pack system with main seal, wiper seal and scraper seal*
Oil JM92 Advanced Suspension Fluid for improved performance at variable temperatures
Shafts 17-4 H900 hard chrome plated stainless steel
Bearing Spherical, PFTE-lined, heat-treated alloy steel
Adjustments
  • Rotating Body Cap
  • Compression bypass adjusters
  • Rebound bypass adjusters
  • Free bleed bypass adjuster
  • Compression valving
  • Rebound valving

*2.0, 2.5, 3.0, and 3.5 are 7075 hard-anodized aluminum

3.0 Factory Race Series External Bypass Piggyback
3.0 Factory Race Series External Bypass Remote

3.0 OPTIONS

3.0 REMOTE

  • QAB knobs
  • 1-1/4" mounting width spacers
  • Multiple eyelet mounting lengths
  • Custom bypass layout
  • Reservoir hose-fittings and lengths
  • High or low flow piston
  • External Cooling System 2 (ECS2)

TUBE
3 Tube

SHAFT - TRAVEL
7/8" - 10.0, 12.0, 14.0, 16.0, 18.0

3.0 PIGGYBACK

  • QAB knobs
  • 1-1/4" mounting width spacers
  • Multiple eyelet mounting lengths
  • -12 Hiems, select travel lengths
  • Custom bypass layout
  • Reservoir hose-fittings and lengths
  • Short Course specs
  • High or low flow piston
  • External Cooling System 2 (ECS2)

TUBE
3 Tube, 4 Tube

SHAFT - TRAVEL
7/8" - 10.0, 12.0, 14.0, 16.0, 18.0


3.0 APPLICATION GUIDE

3.0 EXTERNAL BYPASS SHAFT EXT COMP RESERVOIR HOSE MOUNTING VALVING PART # PRICE
FACTORY RACE 3.0 X 10.0 EXTERNAL BYPASS (3 TUBE) PIGGYBACK SHOCK 7/8 29.5 19.5 2.5 x 10.0 1/2 x 1.50 3,2/70 980-02-798 $1199.95
FACTORY RACE 3.0 X 12.0 EXTERNAL BYPASS (3 TUBE) REMOTE SHOCK 7/8 33.43 21.43 2.5 x 10.0 -10 x 28.0 1/2 x 1.50 3,2/70 980-02-126 $1199.95
FACTORY RACE 3.0 X 12.0 EXTERNAL BYPASS (3 TUBE) PIGGYBACK SHOCK 7/8 33.43 21.43 2.5 x 10.0 1/2 x 1.50 3,2/70 980-02-228 $1199.95
FACTORY RACE 3.0 X 12.0 EXTERNAL BYPASS (4 TUBE) PIGGYBACK SHOCK 7/8 33.43 21.43 2.5 x 10.0 1/2 x 1.50 3,2/70 980-02-232 $1359.95
FACTORY RACE 3 X 12 EXTERNAL BYPASS (4 TUBE) PIGGYBACK SHORT COURSE 0 33.43 21.43 2.5 x 14.0 5/8 x 1.50 3,2/70 981-02-425 $1409.95
FACTORY RACE 3.0 X 14.0 EXTERNAL BYPASS (3 TUBE) REMOTE SHOCK 7/8 38.43 24.43 2.5 x 14.0 -10 x 38.0 1/2 x 1.50 3,2/70 980-02-128 $1199.95
FACTORY RACE 3.0 X 14.0 EXTERNAL BYPASS (3 TUBE) PIGGYBACK SHOCK 7/8 38.43 24.43 2.5 x 14.0 1/2 x 1.50 3,2/70 980-02-229 $1199.95
FACTORY RACE 3.0 X 14.0 EXTERNAL BYPASS (4 TUBE) PIGGYBACK SHOCK 7/8 38.43 24.43 2.5 x 14.0 1/2 x 1.50 3,2/70 980-02-233 $1359.95
FACTORY RACE 3 X 14 EXTERNAL BYPASS (4 TUBE) PIGGYBACK SHORT COURSE 0 38.43 24.43 2.5 x 14.0 5/8 x 1.50 3,2/70 981-02-426 $1409.95
FACTORY RACE 3.0 X 16.0 EXTERNAL BYPASS (3 TUBE) REMOTE SHOCK 7/8 42.43 26.43 2.5 x 14.0 -10 x 38.0 1/2 x 1.50 3,2/70 980-02-130 $1199.95
FACTORY RACE 3.0 X 16.0 EXTERNAL BYPASS (3 TUBE) PIGGYBACK SHOCK 7/8 42.43 26.43 2.5 x 14.0 1/2 x 1.50 3,2/70 980-02-230 $1199.95
FACTORY RACE 3.0 X 16.0 EXTERNAL BYPASS (4 TUBE) PIGGYBACK SHOCK 7/8 42.43 26.43 2.5 x 14.0 1/2 x 1.50 3,2/70 980-02-234 $1359.95
FACTORY RACE 3.0 X 18.0 EXTERNAL BYPASS (3 TUBE) REMOTE SHOCK 7/8 46.43 28.43 2.5 x 14.0 -10 x 38.0 1/2 x 1.50 3,2/70 980-02-132 $1199.95
FACTORY RACE 3.0 X 18.0 EXTERNAL BYPASS (3 TUBE) PIGGYBACK SHOCK 7/8 46.43 28.43 2.5 x 14.0 1/2 x 1.50 3,2/70 980-02-231 $1199.95
FACTORY RACE 3.0 X 18.0 EXTERNAL BYPASS (4 TUBE) PIGGYBACK SHOCK 7/8 46.43 28.43 2.5 x 14.0 1/2 x 1.50 3,2/70 980-02-235 $1359.95
FACTORY RACE 3 X 18 EXTERNAL BYPASS (4 TUBE) PIGGYBACK SHORT COURSE 1 1/8 46.43 28.43 3.0 x 16.0 5/8 x 1.50 3,2/70 981-02-427 $1409.95

3.5 FACTORY RACE SERIES EXTERNAL BYPASS

At FOX, racing has always been the cornerstone of our product development. FOX devotes countless hours of research and development to design suspension that withstands incredible punishment and provides consistent performance you can rely on.

Our diverse line of bypass shocks, from the 2.5 coil-over with internal bypass to the massive 4.4 inch external bypass, are made with one goal in mind: to win races.


FAMILY FEATURES

Body Smooth bore and honed seamless steel
Body Plating Zinc plated for a long-lasting finish
Components Black anodized, CNC machined 6061-T6 billet aluminum
Piston Stainless steel for improved performance at high temperatures*
Valving Tunable, velocity sensitive deburred valve shims
Seals High-temp Viton® redundant sealing pack system with main seal, wiper seal and scraper seal*
Oil JM92 Advanced Suspension Fluid for improved performance at variable temperatures
Shafts 17-4 H900 hard chrome plated stainless steel
Bearing Spherical, PFTE-lined, heat-treated alloy steel
Adjustments
  • Rotating Body Cap
  • Compression bypass adjusters
  • Rebound bypass adjusters
  • Free bleed bypass adjuster
  • Compression valving
  • Rebound valving

*2.0, 2.5, 3.0, and 3.5 are 7075 hard-anodized aluminum

3.5 Factory Race Series External Bypass Piggyback

3.5 OPTIONS

3.5 PIGGYBACK

  • QAB knobs
  • 1-1/2" mounting bolt
  • Multiple eyelet mounting lengths
  • Custom bypass layout
  • Remote Reservoir
  • High or low flow piston
  • External Cooling System 2 (ECS2)

TUBE
5 Tube

SHAFT - TRAVEL
1" - 14.0, 16.0, 18.0


3.5 APPLICATION GUIDE

3.5 EXTERNAL BYPASS SHAFT EXT COMP RESERVOIR HOSE MOUNTING VALVING PART # PRICE
FACTORY RACE 3.5 X 12.0 EXTERNAL BYPASS (5 TUBE) PIGGYBACK SHOCK 0 33.43 21.43 3.0 x 12.0 5/8 x 1.50 3,2/70 980-02-734 $1789.95
FACTORY RACE 3.5 X 14.0 EXTERNAL BYPASS (5 TUBE) PIGGYBACK SHOCK 0 38.43 24.43 3.0 x 14.0 5/8 x 1.50 3,2/70 980-02-254 $1789.95
FACTORY RACE 3.5 X 16.0 EXTERNAL BYPASS (5 TUBE) PIGGYBACK SHOCK 0 42.43 26.43 3.0 x 16.0 5/8 x 1.50 3,2/70 980-02-255 $1789.95
FACTORY RACE 3.5 X 18.0 EXTERNAL BYPASS (5 TUBE) PIGGYBACK SHOCK 0 46.43 28.43 3.0 x 16.0 5/8 x 1.50 3,2/70 980-02-256 $1789.95

4.0 FACTORY RACE SERIES EXTERNAL BYPASS

At FOX, racing has always been the cornerstone of our product development. FOX devotes countless hours of research and development to design suspension that withstands incredible punishment and provides consistent performance you can rely on.

Our diverse line of bypass shocks, from the 2.5 coil-over with internal bypass to the massive 4.4 inch external bypass, are made with one goal in mind: to win races.


FAMILY FEATURES

Body Smooth bore and honed seamless steel
Body Plating Zinc plated for a long-lasting finish
Components Black anodized, CNC machined 6061-T6 billet aluminum
Piston Stainless steel for improved performance at high temperatures*
Valving Tunable, velocity sensitive deburred valve shims
Seals High-temp Viton® redundant sealing pack system with main seal, wiper seal and scraper seal*
Oil JM92 Advanced Suspension Fluid for improved performance at variable temperatures
Shafts 17-4 H900 hard chrome plated stainless steel
Bearing Spherical, PFTE-lined, heat-treated alloy steel
Adjustments
  • Rotating Body Cap
  • Compression bypass adjusters
  • Rebound bypass adjusters
  • Free bleed bypass adjuster
  • Compression valving
  • Rebound valving

*2.0, 2.5, 3.0, and 3.5 are 7075 hard-anodized aluminum

4.0 Factory Race Series External Bypass Piggyback

4.0 OPTIONS

4.0 PIGGYBACK

  • 1-1/2" mounting bolt
  • Multiple eyelet mounting lengths
  • Custom bypass layout
  • Remote Reservoir
  • External Cooling System 2 (ECS2)

TUBE
4 Tube, 5 Tube

SHAFT - TRAVEL
1-1/8" - 12.0, 14.0, 16.0, 18.0


4.0 APPLICATION GUIDE

4.0 EXTERNAL BYPASS SHAFT EXT COMP RESERVOIR HOSE MOUNTING VALVING PART # PRICE
FACTORY RACE 4.0 X 12.0 EXTERNAL BYPASS (4 TUBE) PIGGYBACK SHOCK 1 1/8 33.54 21.54 3.5 x 11.50 5/8 x 1.50 3,2/70 981-02-390 $2059.95
FACTORY RACE 4.0 X 14.0 EXTERNAL BYPASS (4 TUBE) PIGGYBACK SHOCK 1 1/8 38.54 24.54 3.5 x 14.00 5/8 x 1.50 3,2/70 981-02-391 $2059.95
FACTORY RACE 4.0 X 16.0 EXTERNAL BYPASS (5 TUBE) PIGGYBACK SHOCK 1 1/8 42.54 26.54 3.5 x 15.50 5/8 x 1.50 3,2/70 981-02-392 $2279.95
FACTORY RACE 4.0 X 18.0 EXTERNAL BYPASS (5 TUBE) PIGGYBACK SHOCK 1 1/8 46.54 28.54 3.5 x 17.50 5/8 x 1.50 3,2/70 981-02-393 $2279.95

4.4 FACTORY RACE SERIES EXTERNAL BYPASS

At FOX, racing has always been the cornerstone of our product development. FOX devotes countless hours of research and development to design suspension that withstands incredible punishment and provides consistent performance you can rely on.

Our diverse line of bypass shocks, from the 2.5 coil-over with internal bypass to the massive 4.4 inch external bypass, are made with one goal in mind: to win races.


FAMILY FEATURES

Body Smooth bore and honed seamless steel
Body Plating Zinc plated for a long-lasting finish
Components Black anodized, CNC machined 6061-T6 billet aluminum
Piston Stainless steel for improved performance at high temperatures*
Valving Tunable, velocity sensitive deburred valve shims
Seals High-temp Viton® redundant sealing pack system with main seal, wiper seal and scraper seal*
Oil JM92 Advanced Suspension Fluid for improved performance at variable temperatures
Shafts 17-4 H900 hard chrome plated stainless steel
Bearing Spherical, PFTE-lined, heat-treated alloy steel
Adjustments
  • Rotating Body Cap
  • Compression bypass adjusters
  • Rebound bypass adjusters
  • Free bleed bypass adjuster
  • Compression valving
  • Rebound valving

*2.0, 2.5, 3.0, and 3.5 are 7075 hard-anodized aluminum

4.4 Factory Race Series External Bypass Piggyback

4.4 OPTIONS

4.4 PIGGYBACK

  • 1-1/2" mounting bolt
  • Multiple eyelet mounting lengths
  • Custom bypass layout
  • Remote Reservoir
  • External Cooling System 2 (ECS2)

TUBE
4 Tube, 5 Tube

SHAFT - TRAVEL
1-1/4" - 12.0, 14.0, 16.0, 18.0


4.4 APPLICATION GUIDE

4.0 EXTERNAL BYPASS SHAFT EXT COMP RESERVOIR HOSE MOUNTING VALVING PART # PRICE
FACTORY RACE 4.4 X 12.0 EXTERNAL BYPASS (4 TUBE) PIGGYBACK SHOCK 1 1/4 35 23 3.5 x 11.50 5/8 x 1.50 3,2/50 981-02-386 $2269.95
FACTORY RACE 4.4 X 14.0 EXTERNAL BYPASS (4 TUBE) PIGGYBACK SHOCK 1 1/4 39 25 3.5 x 14.00 5/8 x 1.50 3,2/50 981-02-387 $2389.95
FACTORY RACE 4.4 X 16.0 EXTERNAL BYPASS (5 TUBE) PIGGYBACK SHOCK 1 1/4 44 28 3.5 x 15.50 5/8 x 1.50 3,2/50 981-02-388 $2269.95
FACTORY RACE 4.4 X 18.0 EXTERNAL BYPASS (5 TUBE) PIGGYBACK SHOCK 1 1/4 48 30 3.5 x 17.50 5/8 x 1.50 3,2/50 981-02-389 $2269.95

HOW TO BUY

US DEALER LOCATOR