valve spring chart. not sure how this excel sheet will copy.
White column is 26 lb spring. values are approximate you should always check seat pressure.
Pressure At Compressed Height
Height
26lb duals
0.900 8.2 9.4 7.4 5.6 20.6 38.2
0.890 8.6 9.6 7.8 6.6 21.6 39.4
0.880 9.0 9.8 8.2 8.0 22.6 41
0.870 9.2 10.2 8.6 9.0 23.8 42.4
0.860 9.4 10.4 9.2 10.2 24.8 43.8
0.850 9.8 10.8 9.6 11.4 25.8 45.2
0.840 10.0 11.0 10.0 12.4 27.0 46.6
0.830 10.2 11.2 10.4 13.4 28.2 47.8
0.820 10.6 11.6 10.8 14.4 29.0 49.2
0.810 10.8 11.8 11.2 15.6 30.4 50.6
0.800 11.2 12.0 11.8 16.6 31.4 52
0.790 11.4 12.2 12.2 17.8 32.6 53.4
0.780 11.6 12.6 12.8 19.2 33.6 54.8
0.770 12.0 12.8 13.2 20.4 34.8 56.4
0.760 12.2 13.2 13.8 21.8 35.8 57.8
0.750 12.6 13.4 14.2 23.2 37.0 59.4
0.740 12.8 13.8 14.8 24.4 38.0 61
0.730 13.2 14.2 15.4 25.6 39.0 62.6
0.720 13.4 14.4 15.8 26.8 40.0 64.4
0.710 13.8 14.8 16.4 28.2 41.2 66
0.700 14.0 15.0 16.8 29.4 42.6 67.6
0.690 14.2 15.2 17.4 30.6 43.8 69.2
0.680 14.4 15.4 17.8 32.0 45.2 70.8
0.670 14.8 15.8 18.2 33.0 46.6 72.4
0.660 15.0 16.0 18.8 34.4 48.0 74
0.650 15.2 16.2 19.2 35.6 49.2 75.6
0.640 15.6 16.6 19.8 36.8 50.4 77.4
0.630 15.8 16.8 20.2 38.0 52.0 79
0.620 16.2 17.0 20.8 39.6 53.6 80.6
0.610 16.4 17.2 21.2 41.0 55.0 82.4
0.600 16.6 17.4 22.0 42.8 56.4 84
0.590 17.0 17.8 22.6 44.8 58.0 85.8
0.580 17.4 18.2 23.2 46.2 59.4 87.8
0.570 17.8 18.4 23.6 48.0 60.6 89.8
0.560 24.2 49.6 62.2 91.6
0.550 24.6 51.2 63.6 93.6
0.540 25.2 52.8 65.0 95.6
0.530 26.0 55.2 66.4 97.4
0.520 26.6 56.6 67.6 99.4
0.510 58.2 68.6 101.2
0.500 59.8 69.8 103
0.490 61.6 71.6 105
0.480 63.4 72.8 108
0.470 65.8 74.6 bind
0.460 68.4 76.6
0.450 71.0 77.8
0.440 74.0 79.8
0.430 77.8 bind
0.420 82.2
This keeps reformatting when I save it so your on your own reading this.
White column is 26 lb spring. values are approximate you should always check seat pressure.
Pressure At Compressed Height
Height
26lb duals
0.900 8.2 9.4 7.4 5.6 20.6 38.2
0.890 8.6 9.6 7.8 6.6 21.6 39.4
0.880 9.0 9.8 8.2 8.0 22.6 41
0.870 9.2 10.2 8.6 9.0 23.8 42.4
0.860 9.4 10.4 9.2 10.2 24.8 43.8
0.850 9.8 10.8 9.6 11.4 25.8 45.2
0.840 10.0 11.0 10.0 12.4 27.0 46.6
0.830 10.2 11.2 10.4 13.4 28.2 47.8
0.820 10.6 11.6 10.8 14.4 29.0 49.2
0.810 10.8 11.8 11.2 15.6 30.4 50.6
0.800 11.2 12.0 11.8 16.6 31.4 52
0.790 11.4 12.2 12.2 17.8 32.6 53.4
0.780 11.6 12.6 12.8 19.2 33.6 54.8
0.770 12.0 12.8 13.2 20.4 34.8 56.4
0.760 12.2 13.2 13.8 21.8 35.8 57.8
0.750 12.6 13.4 14.2 23.2 37.0 59.4
0.740 12.8 13.8 14.8 24.4 38.0 61
0.730 13.2 14.2 15.4 25.6 39.0 62.6
0.720 13.4 14.4 15.8 26.8 40.0 64.4
0.710 13.8 14.8 16.4 28.2 41.2 66
0.700 14.0 15.0 16.8 29.4 42.6 67.6
0.690 14.2 15.2 17.4 30.6 43.8 69.2
0.680 14.4 15.4 17.8 32.0 45.2 70.8
0.670 14.8 15.8 18.2 33.0 46.6 72.4
0.660 15.0 16.0 18.8 34.4 48.0 74
0.650 15.2 16.2 19.2 35.6 49.2 75.6
0.640 15.6 16.6 19.8 36.8 50.4 77.4
0.630 15.8 16.8 20.2 38.0 52.0 79
0.620 16.2 17.0 20.8 39.6 53.6 80.6
0.610 16.4 17.2 21.2 41.0 55.0 82.4
0.600 16.6 17.4 22.0 42.8 56.4 84
0.590 17.0 17.8 22.6 44.8 58.0 85.8
0.580 17.4 18.2 23.2 46.2 59.4 87.8
0.570 17.8 18.4 23.6 48.0 60.6 89.8
0.560 24.2 49.6 62.2 91.6
0.550 24.6 51.2 63.6 93.6
0.540 25.2 52.8 65.0 95.6
0.530 26.0 55.2 66.4 97.4
0.520 26.6 56.6 67.6 99.4
0.510 58.2 68.6 101.2
0.500 59.8 69.8 103
0.490 61.6 71.6 105
0.480 63.4 72.8 108
0.470 65.8 74.6 bind
0.460 68.4 76.6
0.450 71.0 77.8
0.440 74.0 79.8
0.430 77.8 bind
0.420 82.2
This keeps reformatting when I save it so your on your own reading this.
Last edited: