R/D Valve Springs, spring specs for springs handled by R/D Springs Corp.
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Spring
O.D.		 Spring
I.D.		 Installed
Height		 Seat
Pressure		 Spring
Part #		 Lift Nose
Pres. @		 Coil
Bind		 Free L
Outer

Preload
Inner

R/D Springs Corporations’s designs are exclusive to R/D Spring Corp.

For racing use only. May render your vehicle illegal for street use.
Due to potential abuse, no warranty is offered on racing parts.
No returns after 30 days. Prices may change without notice.

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0.700 0.440 1.090 32 Lbs 1028 0.350 65 Lbs 0.580 1.400 0.070
0.725 0.510 1.100 48 Lbs 1036 0.400 92 Lbs 0.610 1.535 0.160
0.730 0.550 1.100 30 Lbs 1081 0.400 60 Lbs 0.615 1.600  
0.745 0.670 1.450 68 Lbs 1064 0.450 69 Lbs 0.880 1.800  
0.770 0.450 1.130 48 Lbs 1021 0.350 100 Lbs 0.630 1.500 0.080
0.770 0.440 1.125 45 Lbs 1083 0.400 100 Lbs 0.645 1.490 0.070
0.830 0.440 1.265 60 Lbs 1084 0.400 150 Lbs 0.750 1.580 0.070
0.840 0.445 1.375 50 Lbs 1080 0.400 125 Lbs 0.730 1.675 0.070
0.845 0.440 1.450 50 Lbs 1032 0.450 148 Lbs 0.820 1.700 0.080
0.855 0.485 0.950 30 Lbs 1004 0.350 95 Lbs 0.565 1.050 0.070
0.890 0.510 1.300 55 Lbs 1034 0.400 125 Lbs 0.640 1.700 0.080
0.910 0.515 1.130 48 Lbs 1020 0.400 120 Lbs 0.630 1.480 0.090
0.960 0.565 1.100 60 Lbs 1008 0.400 140 Lbs 0.625 1.400 0.090
0.960 0.540 1.300 55 Lbs 1024 0.450 150 Lbs 0.730 1.630 0.100
0.978 0.525 1.400 71 Lbs 1030 0.350 170 Lbs 0.830 1.825 0.080
0.990 0.560 1.300 55 Lbs 1013 0.400 155 Lbs 0.740 1.600 0.090
0.990 0.530 1.350 60 Lbs 1015 0.450 180 Lbs 0.740 1.600 0.090
0.995 0.695 1.910 62 Lbs 1051 0.600 220 Lbs 1.270 2.630  
1.000 0.560 1.300 42 Lbs 1000 0.400 140 Lbs 0.730 1.450 0.090
1.000 0.560 1.250 50 Lbs 1016 0.400 145 Lbs 0.650 1.550 0.090
1.000 0.750 1.400 50 Lbs 1060 0.500 110 Lbs 0.800 1.945  
1.000 0.730 1.470 54 Lbs 1061 0.500 120 Lbs 0.960 1.960  
1.000 0.550 1.325 60 Lbs 1079 0.500 184 Lbs 0.700 1.620 0.060
1.003 0.730 1.380 76 Lbs 1059 0.500 160 Lbs 0.645 1.960  
1.005 0.555 1.425 70 Lbs 1059/1013 0.550 183 Lbs 0.815 1.925 0.070
1.005 0.550 1.495 70 Lbs 1059/1015 0.500 190 Lbs 0.810 1.925 0.070
1.030 0.520 1.650 80 Lbs 1033 0.450 220 Lbs 1.060 1.920 0.100
1.100 0.795 1.425 80 Lbs 1040 0.400 205 Lbs 0.900 1.730  
1.110 0.790 1.250 80 Lbs 1009 0.300 170 Lbs 0.890 1.550  
1.140 0.725 1.200 70 Lbs 1003 0.400 145 Lbs 0.630 1.635 0.100
1.140 0.650 1.300 75 Lbs 1010 0.400 180 Lbs 0.660 1.625 0.100
1.180 0.680 1.325 90 Lbs 1041 0.450 205 Lbs 0.720 1.625 0.100
1.187 0.680 1.450 68 Lbs 1006 0.500 198 Lbs 0.750 1.680 0.100
1.190 0.670 1.400 92 Lbs 1037 0.500 240 Lbs 0.770 1.680 0.100
1.200 0.665 1.450 120 Lbs 1027 0.500 315 Lbs 0.615 1.800 0.100
1.200 0.670 1.400 100 Lbs 1039 0.500 276 Lbs 0.750 1.800 0.100
1.210 0.675 1.400 80 Lbs 1031 IRL 0.500 222 Lbs 0.795 1.770  
1.210 0.675 1.400 92 Lbs 1032 IRL 0.500 232 Lbs 0.810 1.860  
1.215 0.645 1.500 120 Lbs 1045 0.500 390 Lbs 0.735 1.800 0.100
1.215 0.68 1.400 114 Lbs 1034 IRL 0.500 258 Lbs 0.772 1.925  
1.250 0.690 1.650 110 Lbs 1002 0.600 290 Lbs 0.925 2.080 0.100
1.250 0.720 1.350 85 Lbs 1005 0.450 220 Lbs 0.775 1.700 0.100
1.350 0.770 1.450 100 Lbs 1023 0.400 250 Lbs 0.800 1.800 0.100
1.405 0.730 2.050 164 Lbs 1038 0.650 482 Lbs 1.118 2.340 0.110