Fox Factory Inc. uses cookies to improve your browsing experience on our website. For more details about the cookies we use and how you can amend your preferences, please read our Cookie Policy
ACCEPT ALL
Bump Stops
  • FACTORY RACE SERIES
  • FR SERIES
  • 2.0indicator notch
  • 2.5indicator notch

2.0 FACTORY RACE SERIES BUMP STOP

Our all-new Factory Race Series 2.0 bump stops were developed specifically for off-road racing to provide precise control of the last few inches of suspension travel and prevent harsh bottoming while delivering unprecedented levels of performance and durability.

NEW FEATURES

BODY FINISH Dual coated body with proprietary FOX Grey Cerakote® protective ceramic coating over zinc plated basecoat for improved corrosion resistance and durability
PISTON Bump stop specific hard anodized 6061-T6 billet aluminum low flow race piston
WEARBAND PTFE coated bronze impregnated steel piston wearband
FAV Orange anodized billet aluminum FAV cap
MOUNTING New stem mount option
PART NUMBERS New structure denotes diameter in middle two digits

-C (CUSTOM) variation suffix

CARRYOVER FEATURES
COMPONENTS Black anodized, CNC machined 6061-T6 billet aluminum
BODY Smooth bore and honed seamless steel
SHAFT 1-1/4" hard chrome plated 4130 chromoly steel shafts
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 superior race proven performance from 0-400° F
ADJUSTMENTS Piston Valving - Compression, Rebound

Nitrogen Pressure (spring rate)

STANDARD CONFIGURATIONS
TRAVEL 2", 2.5", 3", 4"
RESERVOIR Emulsion
TOP MOUNT Pinch, Stem
BOTTOM MOUNT Replaceable strike pad

CUSTOM OPTIONS
VALVING Custom valving specs
PART NUMBERS For custom configurations, add "-C" to end of standard part numbers
2.0 Factory Race Series Bump Stop
2.0 Factory Race Series Bup Stop threaded mount

2.0 APPLICATION GUIDE

2.0 BUMP STOPS SHAFT EXT COMP TOP MOUNT PART # PRICE
FACTORY RACE 2.0 X 2.0 BUMP STOP PINCH MOUNT 1-1/4 9.74 7.70 Pinch 981-20-040 $359.95
FACTORY RACE 2.0 X 2.5 BUMP STOP PINCH MOUNT 1-1/4 11.44 8.90 Pinch 981-20-041 $359.95
FACTORY RACE 2.0 X 3.0 BUMP STOP PINCH MOUNT 1-1/4 13.19 10.15 Pinch 981-20-042 $379.95
FACTORY RACE 2.0 X 4.0 BUMP STOP PINCH MOUNT 1-1/4 14.19 10.15 Pinch 981-20-043 $379.95
FACTORY RACE 2.0 X 2.0 BUMP STOP STEM MOUNT 1-1/4 9.61 7.58 Stem 981-20-044 $419.95

2.5 FACTORY RACE SERIES BUMP STOP

Our all-new Factory Race Series 2.5 bump stops were developed specifically for off-road racing to provide precise control of the last few inches of suspension travel and prevent harsh bottoming while delivering unprecedented levels of performance and durability.

NEW FEATURES

BODY FINISH Dual coated body with proprietary FOX Grey Cerakote® protective ceramic coating over zinc plated basecoat for improved corrosion resistance and durability
WEARBAND PTFE coated bronze impregnated steel piston wearband
FAV Orange anodized billet aluminum FAV cap
MOUNTING New stem mount option
PART NUMBERS New structure denotes diameter in middle two digits

-C (CUSTOM) variation suffix

CARRYOVER FEATURES
COMPONENTS Black anodized, CNC machined 6061-T6 billet aluminum
BODY Smooth bore and honed seamless steel
SHAFT 1-5/8" hard chrome plated 4130 chromoly steel shafts
PISTON Bump stop specific hard anodized 6061-T6 billet aluminum low flow race piston
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 superior race proven performance from 0-400° F
HEIMS PFTE-lined, heat-treated steel spherical bearings (eyelet mount)
ADJUSTMENTS Piston Valving - Compression, Rebound

Nitrogen Pressure (spring rate)

STANDARD CONFIGURATIONS
TRAVEL 2.5", 3.8"
RESERVOIR Emulsion
TOP MOUNT Pinch, Stem, Eyelet, 4-bolt
BOTTOM MOUNT Replaceable strike pad, eyelet (1.95")

CUSTOM OPTIONS
VALVING Custom valving specs
MOUNTING 1-1/2" mounting width spacers/reducers for eyelet mounts
PART NUMBERS For custom configurations, add "-C" to end of standard part numbers
2.5 Factory Race Series Bump Stop
Eye to Eye mount
Eyelet mount
4-bolt mount
Pinch mount
Stem mount

2.5 APPLICATION GUIDE

2.5 BUMP STOPS SHAFT EXT COMP TOP MOUNT PART # PRICE
FACTORY RACE 2.5 X 2.5 BUMP STOP STEM MOUNT 1-5/8 10.80 8.35 Stem 981-25-040 $494.95
FACTORY RACE 2.5 X 3.8 BUMP STOP STEM MOUNT 1-5/8 14.90 11.15 Stem 981-25-041 $524.95
FACTORY RACE 2.5 X 2.5 BUMP STOP PINCH MOUNT 1-5/8 11.95 9.50 Pinch 981-25-042 $464.95
FACTORY RACE 2.5 X 3.8 BUMP STOP PINCH MOUNT 1-5/8 15.45 11.70 Pinch 981-25-043 $494.95
FACTORY RACE 2.5 X 2.5 BUMP STOP EYELET MOUNT 1-5/8 12.25 9.80 Eyelet 981-25-044 $549.95
FACTORY RACE 2.5 X 3.8 BUMP STOP EYELET MOUNT 1-5/8 16.35 12.60 Eyelet 981-25-045 $579.95
FACTORY RACE 2.5 X 2.5 BUMP STOP 4-BOLT MOUNT 1-5/8 10.80 8.35 4-Bolt 981-25-046 $574.95
FACTORY RACE 2.5 X 3.8 BUMP STOP 4-BOLT MOUNT 1-5/8 14.90 11.15 4-Bolt 981-25-047 $604.95
FACTORY RACE 2.5 X 2.0 BUMP STOP EYE-EYE MOUNT 1-5/8 12.40 10.45 Eyelet 981-25-048 $584.95
FACTORY RACE 2.5 X 2.5 BUMP STOP EYE-EYE MOUNT 1-5/8 12.90 10.45 Eyelet 981-25-049 $584.95
FACTORY RACE 2.5 X 3.8 BUMP STOP EYE-EYE MOUNT 1-5/8 17.00 13.25 Eyelet 981-25-050 $614.95
HOW TO BUY

US DEALER LOCATOR

 

Enhance your Riding Experience

Get monthly FOX updates straight to your inbox.

SUBSCRIBE
 

Enhance your Riding Experience

Get monthly FOX updates straight to your inbox.