| Spring Description | Manley 221430 | ||||||||
| Rated Install Height | 1.81 | Max Lift | Spring Rate Slope | ||||||
| Coil Bind Height | 1.236 | 0.574 | 4.01 | ||||||
| Rated Seat Pressure | 130 | Load Increase | |||||||
| Coil Bind Pressure | 360 | 230 | |||||||
| Spring Rate | 400 | 400.6968641 | |||||||
| Rocker Ratio | 1.6 | 1.7 | 1.8 | 1.84 | 1.9 | ||||
| Engine Installed Height | 1.8 | ||||||||
| Slope | 4.006968641 | 6.411149826 | 6.81184669 | 7.212543554 | 7.3728223 | 7.613240418 | |||
| Install Height | PSI @ Valve | PSI @ Cam 1.6 | PSI @ Cam 1.7 | PSI @ Cam 1.8 | PSI @ Cam 1.84 | PSI @ Cam 1.9 | Valve Lift | Lobe Lift | |
| 1.86 | 109.9651568 | 175.9442509 | 186.9407666 | 197.9372822 | 202.3358885 | 208.9337979 | |||
| 1.85 | 113.9721254 | 182.3554007 | 193.7526132 | 205.1498258 | 209.7087108 | 216.5470383 | |||
| 1.84 | 117.9790941 | 188.7665505 | 200.5644599 | 212.3623693 | 217.0815331 | 224.1602787 | |||
| 1.83 | 121.9860627 | 195.1777003 | 207.3763066 | 219.5749129 | 224.4543554 | 231.7735192 | |||
| 1.82 | 125.9930314 | 201.5888502 | 214.1881533 | 226.7874564 | 231.8271777 | 239.3867596 | |||
| 1.81 | 130 | 208 | 221 | 234 | 239.2 | 247 | |||
| 1.80 | 134.0069686 | 214.4111498 | 227.8118467 | 241.2125436 | 246.5728223 | 254.6132404 | 0.000 | 0.000 | |
| 1.79 | 138.0139373 | 220.8222997 | 234.6236934 | 248.4250871 | 253.9456446 | 262.2264808 | 0.010 | 0.006 | |
| 1.78 | 142.0209059 | 227.2334495 | 241.4355401 | 255.6376307 | 261.3184669 | 269.8397213 | 0.020 | 0.013 | |
| 1.77 | 146.0278746 | 233.6445993 | 248.2473868 | 262.8501742 | 268.6912892 | 277.4529617 | 0.030 | 0.019 | |
| 1.76 | 150.0348432 | 240.0557491 | 255.0592334 | 270.0627178 | 276.0641115 | 285.0662021 | 0.040 | 0.025 | |
| 1.75 | 154.0418118 | 246.466899 | 261.8710801 | 277.2752613 | 283.4369338 | 292.6794425 | 0.050 | 0.031 | |
| 1.74 | 158.0487805 | 252.8780488 | 268.6829268 | 284.4878049 | 290.8097561 | 300.2926829 | 0.060 | 0.038 | |
| 1.73 | 162.0557491 | 259.2891986 | 275.4947735 | 291.7003484 | 298.1825784 | 307.9059233 | 0.070 | 0.044 | |
| 1.72 | 166.0627178 | 265.7003484 | 282.3066202 | 298.912892 | 305.5554007 | 315.5191638 | 0.080 | 0.050 | |
| 1.71 | 170.0696864 | 272.1114983 | 289.1184669 | 306.1254355 | 312.928223 | 323.1324042 | 0.090 | 0.056 | |
| 1.70 | 174.0766551 | 278.5226481 | 295.9303136 | 313.3379791 | 320.3010453 | 330.7456446 | 0.100 | 0.063 | |
| 1.69 | 178.0836237 | 284.9337979 | 302.7421603 | 320.5505226 | 327.6738676 | 338.358885 | 0.110 | 0.069 | |
| 1.68 | 182.0905923 | 291.3449477 | 309.554007 | 327.7630662 | 335.0466899 | 345.9721254 | 0.120 | 0.075 | |
| 1.67 | 186.097561 | 297.7560976 | 316.3658537 | 334.9756098 | 342.4195122 | 353.5853659 | 0.130 | 0.081 | |
| 1.66 | 190.1045296 | 304.1672474 | 323.1777003 | 342.1881533 | 349.7923345 | 361.1986063 | 0.140 | 0.088 | |
| 1.65 | 194.1114983 | 310.5783972 | 329.989547 | 349.4006969 | 357.1651568 | 368.8118467 | 0.150 | 0.094 | |
| 1.64 | 198.1184669 | 316.989547 | 336.8013937 | 356.6132404 | 364.5379791 | 376.4250871 | 0.160 | 0.100 | |
| 1.63 | 202.1254355 | 323.4006969 | 343.6132404 | 363.825784 | 371.9108014 | 384.0383275 | 0.170 | 0.106 | |
| 1.62 | 206.1324042 | 329.8118467 | 350.4250871 | 371.0383275 | 379.2836237 | 391.6515679 | 0.180 | 0.113 | |
| 1.61 | 210.1393728 | 336.2229965 | 357.2369338 | 378.2508711 | 386.656446 | 399.2648084 | 0.190 | 0.119 | |
| 1.60 | 214.1463415 | 342.6341463 | 364.0487805 | 385.4634146 | 394.0292683 | 406.8780488 | 0.200 | 0.125 | |
| 1.59 | 218.1533101 | 349.0452962 | 370.8606272 | 392.6759582 | 401.4020906 | 414.4912892 | 0.210 | 0.131 | |
| 1.58 | 222.1602787 | 355.456446 | 377.6724739 | 399.8885017 | 408.7749129 | 422.1045296 | 0.220 | 0.138 | |
| 1.57 | 226.1672474 | 361.8675958 | 384.4843206 | 407.1010453 | 416.1477352 | 429.71777 | 0.230 | 0.144 | |
| 1.56 | 230.174216 | 368.2787456 | 391.2961672 | 414.3135889 | 423.5205575 | 437.3310105 | 0.240 | 0.150 | |
| 1.55 | 234.1811847 | 374.6898955 | 398.1080139 | 421.5261324 | 430.8933798 | 444.9442509 | 0.250 | 0.156 | |
| 1.54 | 238.1881533 | 381.1010453 | 404.9198606 | 428.738676 | 438.2662021 | 452.5574913 | 0.260 | 0.163 | |
| 1.53 | 242.195122 | 387.5121951 | 411.7317073 | 435.9512195 | 445.6390244 | 460.1707317 | 0.270 | 0.169 | |
| 1.52 | 246.2020906 | 393.9233449 | 418.543554 | 443.1637631 | 453.0118467 | 467.7839721 | 0.280 | 0.175 | |
| 1.51 | 250.2090592 | 400.3344948 | 425.3554007 | 450.3763066 | 460.384669 | 475.3972125 | 0.290 | 0.181 | |
| 1.50 | 254.2160279 | 406.7456446 | 432.1672474 | 457.5888502 | 467.7574913 | 483.010453 | 0.300 | 0.188 | |
| 1.49 | 258.2229965 | 413.1567944 | 438.9790941 | 464.8013937 | 475.1303136 | 490.6236934 | 0.310 | 0.194 | |
| 1.48 | 262.2299652 | 419.5679443 | 445.7909408 | 472.0139373 | 482.5031359 | 498.2369338 | 0.320 | 0.200 | |
| 1.47 | 266.2369338 | 425.9790941 | 452.6027875 | 479.2264808 | 489.8759582 | 505.8501742 | 0.330 | 0.206 | |
| 1.46 | 270.2439024 | 432.3902439 | 459.4146341 | 486.4390244 | 497.2487805 | 513.4634146 | 0.340 | 0.213 | |
| 1.45 | 274.2508711 | 438.8013937 | 466.2264808 | 493.6515679 | 504.6216028 | 521.0766551 | 0.350 | 0.219 | |
| 1.44 | 278.2578397 | 445.2125436 | 473.0383275 | 500.8641115 | 511.9944251 | 528.6898955 | 0.360 | 0.225 | |
| 1.43 | 282.2648084 | 451.6236934 | 479.8501742 | 508.0766551 | 519.3672474 | 536.3031359 | 0.370 | 0.231 | |
| 1.42 | 286.271777 | 458.0348432 | 486.6620209 | 515.2891986 | 526.7400697 | 543.9163763 | 0.380 | 0.238 | |
| 1.41 | 290.2787456 | 464.445993 | 493.4738676 | 522.5017422 | 534.112892 | 551.5296167 | 0.390 | 0.244 | |
| 1.40 | 294.2857143 | 470.8571429 | 500.2857143 | 529.7142857 | 541.4857143 | 559.1428571 | 0.400 | 0.250 | |
| 1.39 | 298.2926829 | 477.2682927 | 507.097561 | 536.9268293 | 548.8585366 | 566.7560976 | 0.410 | 0.256 | |
| 1.38 | 302.2996516 | 483.6794425 | 513.9094077 | 544.1393728 | 556.2313589 | 574.369338 | 0.420 | 0.263 | |
| 1.37 | 306.3066202 | 490.0905923 | 520.7212544 | 551.3519164 | 563.6041812 | 581.9825784 | 0.430 | 0.269 | |
| 1.36 | 310.3135889 | 496.5017422 | 527.533101 | 558.5644599 | 570.9770035 | 589.5958188 | 0.440 | 0.275 | |
| 1.35 | 314.3205575 | 502.912892 | 534.3449477 | 565.7770035 | 578.3498258 | 597.2090592 | 0.450 | 0.281 | |
| 1.34 | 318.3275261 | 509.3240418 | 541.1567944 | 572.989547 | 585.7226481 | 604.8222997 | 0.460 | 0.288 | |
| 1.33 | 322.3344948 | 515.7351916 | 547.9686411 | 580.2020906 | 593.0954704 | 612.4355401 | 0.470 | 0.294 | |
| 1.32 | 326.3414634 | 522.1463415 | 554.7804878 | 587.4146341 | 600.4682927 | 620.0487805 | 0.480 | 0.300 | |
| 1.31 | 330.3484321 | 528.5574913 | 561.5923345 | 594.6271777 | 607.841115 | 627.6620209 | 0.490 | 0.306 | |
| 1.30 | 334.3554007 | 534.9686411 | 568.4041812 | 601.8397213 | 615.2139373 | 635.2752613 | 0.500 | 0.313 | |
| 1.29 | 338.3623693 | 541.3797909 | 575.2160279 | 609.0522648 | 622.5867596 | 642.8885017 | 0.510 | 0.319 | |
| 1.28 | 342.369338 | 547.7909408 | 582.0278746 | 616.2648084 | 629.9595819 | 650.5017422 | 0.520 | 0.325 | |
| 1.27 | 346.3763066 | 554.2020906 | 588.8397213 | 623.4773519 | 637.3324042 | 658.1149826 | 0.530 | 0.331 | |
| 1.26 | 350.3832753 | 560.6132404 | 595.6515679 | 630.6898955 | 644.7052265 | 665.728223 | 0.540 | 0.338 | |
| 1.25 | 354.3902439 | 567.0243902 | 602.4634146 | 637.902439 | 652.0780488 | 673.3414634 | 0.550 | 0.344 | |
| 1.24 | 358.3972125 | 573.4355401 | 609.2752613 | 645.1149826 | 659.4508711 | 680.9547038 | 0.560 | 0.350 | |
| 1.23 | 362.4041812 | 579.8466899 | 616.087108 | 652.3275261 | 666.8236934 | 688.5679443 | 0.570 | 0.356 | |
| 1.22 | 366.4111498 | 586.2578397 | 622.8989547 | 659.5400697 | 674.1965157 | 696.1811847 | 0.580 | 0.363 | |
| 1.21 | 370.4181185 | 592.6689895 | 629.7108014 | 666.7526132 | 681.569338 | 703.7944251 | 0.590 | 0.369 | |