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Engineered for maximum travel and consistency in the most extreme conditions, the Eibach BUMP-SPRING System offers limitless tuning
options for "soft spring" Dirt and Pavement Racers.

Through on-track development, we've engineered a spring and cap system light weight and compact enough to fit Pavement Series setups, with maximum amounts of linear travel needed for Dirt Series Racers. The Consistent performance of the Eibach BUMP-SPRING System translates to increased aero efficiency, maximum grip and superior control at the limit.

  • Ultra-Lightweight for Reduced Unsprung Mass Maximum Travel in All Rates
  • Repeatable Performance—Block and Sag Resistant
  • Precision Fit Cap System for 1/2 inch or 5/8 inch Shaft Sizes
  • Made By Eibach in the USA
  Part Number Length Inside Diameter Rate Block Height Travel Load at Block Height Weight
inch mm inch mm lbs/inch kg/mm N/mm inch mm inch mm lbs N lbs kgs
Bump Spring  
New! 0225.200.0550 2.25 57 2.00 51 550 9.82 96 1.06 27 1.19 30 654 2,909 .285 .129
New! 0225.200.0650 2.25 57 2.00 51 650 11.61 114 1.10 28 1.15 29 749 3,332 .315 .142
New! 0225.200.0750 2.25 57 2.00 51 750 13.39 131 1.10 28 1.15 29 861 3,828 .335 .151
New! 0225.200.0850 2.25 57 2.00 51 850 15.18 149 1.22 31 1.03 26 873 3,885 .365 .165
New! 0225.200.0950 2.25 57 2.00 51 950 16.97 166 1.21 31 1.04 26 987 4,392 .395 .179
New! 0225.200.1050 2.25 57 2.00 51 1,050 18.75 184 1.29 33 0.96 24 1,010 4,492 .425 .192
New! 0225.200.1250 2.25 57 2.00 51 1,250 22.32 219 1.34 34 0.91 23 1,137 5,057 .445 .201
New! 0225.200.1400 2.25 57 2.00 51 1,400 25.00 245 1.38 35 0.87 22 1,218 5,414 .475 .215
New! 0225.200.1500 2.25 57 2.00 51 1,500 26.79 263 1.42 36 0.83 21 1,242 5,525 .495 .224
New! 0225.200.1600 2.25 57 2.00 51 1,600 28.57 280 1.47 37 0.78 20 1,248 5,600 .505 .229
Bump Spring Cap  
New! BSC.500 0.16 4 0.500 12.70
New! BSC.625 0.16 4 0.625 15.88
Monday, December 7, 2015