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Valve SpringsCrowerCompCompCompHeads
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Model68404-16986-16987940
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Technical Specs:
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O.D. Outer Spring: 1.405"1.430 in.1.430 in
1.464 in.
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I.D. Outer Spring: 1.055"1.070 in.1.070 in
1.080 in.
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O.D Inner Spring: 1.045"
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I.D. Inner Spring: .780"0.697 in.0.697 in
CROWER RECOMMENDED VALVE SPRING INFORMATION:
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Installed Height: 1.600"1.751.800 in1.9
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Rate: 338322370241Approximate spring pressure:
valve closed: 150# LBS.
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Type: DualDual
valve open: 350# LBS.
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Color Code: Blue/GreyCam = Crower 60919
valve lift .470
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Damper: Noyesyes
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Free Length: 1.920"
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Wire Diameter: .175"/.134"Butlers Part # CCA-986-161.430 Dual Spring 120 @ 1.780, 280 @ 1.250, Coil Bind @ 1.150 (Set)
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Material: Silicone
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2
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1.9580
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1.993
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1.85103104105
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1.8117121117
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1.75132138129
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1.700: 82 lbs147156153
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1.650: 96 lbs163174165
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1.600: 113 lbs179193177
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1.550: 128 lbs196211189
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1.500: 143 lbs212230201
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1.450: 157 lbs228249213
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1.400: 177 lbs244268225
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1.350: 192 lbs261286237
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1.300: 208 lbs293305249
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1.250: 225 lbs310343
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1.200: 244 lbs
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1.150: 263 lbs
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1.100: 282 lbs
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1.050: 302 lbs
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1.000: 319 lbs
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0.95
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Coil Bind: 0.9500"
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Coil Bind Height0.9500"
1.150 in.
1.150 in
1.200 in.
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Installed Pressure (lbs.)132138 lbs89
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Seat Pressure132139.5 lbs
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Open Pressure (lbs.)280325 lbs234
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Spring Rate
322 (296)
370 (340)
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Valve Spring Style
standard
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Manufacturer's Part Number:
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Open Height1.25in1.250 in1.3 in
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