KZScott
Needs a life
high on speed
Posts: 7235
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posted December 29, 2009 09:57 AM
hyperpro rear spring
anyone have info on a rear spring for a 12 made by hyperpro? it has 644 on it. (its purple with black letters/numbers if that makes any diff)
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01 ZX-12R 8.84 @ 156.3 no bars, DOT tires. Pump Gas, NA.... turbo 8.47 @ 164.
00 ZX-12R 8.62 @ 165.2 no bars, slicks, Pump Gas, 55 shot.... turbo 8.32 @173
00 ZX-12R Fastest NA Kawasaki in the world 1: 222.046 1.5: 226.390 Loring AFB
00 ZX-12R street turbo 1: 227.9 1.5: 234.1 Loring AFB
00 ZX-12R LSR turbo 1: 263.1 1.5: 266.5 Loring AFB Worlds fastest ZX-12R
CMG Racing RCC Turbos
  
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tcchin
Zone Head
Posts: 867
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posted December 29, 2009 01:51 PM
644 sounds like the rate in lbf/in, which is equivalent to about 11.5 kg/mm (stock rate is 11.0 kg/mm). Hyperpro should be able to get you whatever rate you want, based on spring ID and length. If not, I've had good luck with Eibach and of course Ohlins.
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KZScott
Needs a life
high on speed
Posts: 7235
|
posted December 29, 2009 02:14 PM
thx, so its a heavier spring. thx for confirming. its going on my extended bike so should work well. its on a revalved shock I got in the mail today 
____________
01 ZX-12R 8.84 @ 156.3 no bars, DOT tires. Pump Gas, NA.... turbo 8.47 @ 164.
00 ZX-12R 8.62 @ 165.2 no bars, slicks, Pump Gas, 55 shot.... turbo 8.32 @173
00 ZX-12R Fastest NA Kawasaki in the world 1: 222.046 1.5: 226.390 Loring AFB
00 ZX-12R street turbo 1: 227.9 1.5: 234.1 Loring AFB
00 ZX-12R LSR turbo 1: 263.1 1.5: 266.5 Loring AFB Worlds fastest ZX-12R
CMG Racing RCC Turbos
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