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JHE/PSI VALVE SPRING

JHE/PSI Valve Spring Specifications

1000 Series Endurance Springs – Pushrod Applications

Part # Type Application O.D. (in) Outer ID (in) Middle ID (in) Inner (in) Seat Pressure Load (lbs) Seat Pressure Length (in) Open Pressure Load (lbs) Open Pressure Length (in) Rate (lbs/in) Retainer Step (in) Max Lift Coil Bind
PSI CT 103 Single Go Kart 0.916 0.676 N/A N/A 30 1.25 103 0.73 140 0 0.52 0.68
PSI CT 1043XL Dual Circle Track 1.58 1.16 N/A 0.835 235 1.95 600 1.25 521 .100 0.7 1.17

1200 Series Endurance Springs – Pushrod Applications

Part # Type Application O.D. (in) Outer ID (in) Middle ID (in) Inner (in) Seat Pressure Load (lbs) Seat Pressure Length (in) Open Pressure Load (lbs) Open Pressure Length (in) Rate (lbs/in) Retainer Step (in) Max Lift Coil Bind
PSI CT 1205D Single w/ Damper Drag & Late Model Stock 1.53 1.115 N/A N/A 120 1.875 350 1.225 354 0 0.65 1.11
PSI CT 1225 Dual Late Model Stock 1.445 1.06 N/A 0.775 140 1.95 435 1.2 393 .070 0.75 1.1
PSI CT 1226 Dual Nextel Cup 1.46 1.06 N/A 0.765 195 2 525 1.25 440 .070 0.75 1.15
PSI CT 1227 Dual Circle Track 1.56 1.15 N/A 0.825 200 2 555 1.275 490 .100 0.725 1.17
PSI CT 1240 Dual Circle Track 1.5 1.085 N/A 0.79 250 2.03 610 1.25 462 .100 0.78 1.2
PSI CT 1242 Dual Circle Track 1.58 1.16 N/A 0.835 248 2.05 640 1.27 503 .100 0.78 1.2
PSI CT 1242D Damper Circle Track 1.58 1.155 N/A 0.755 250 2.05 650 1.27 513 .070 0.78 1.2
PSI CT 1243 Dual Circle Track 1.58 1.16 N/A 0.835 230 2 610 1.27 521 .100 0.73 1.2
PSI CT 1244 Dual Circle Track 1.61 1.16 N/A 0.835 235 2.05 640 1.3 540 .100 0.75 1.22
PSI CT 1245 Dual Marine 1.61 1.16 N/A 0.835 275 2.05 680 1.3 540 .10 0.75 1.23
PSI CT 1277 Dual Circle Track 1.51 1.085 N/A 0.76 230 1.875 655 1.195 625 .070 0.68 1.11

1500 Series Endurance Springs – Pushrod Applications

Part # Type Application O.D. (in) Outer ID (in) Middle ID (in) Inner (in) Seat Pressure Load (lbs) Seat Pressure Length (in) Open Pressure Load (lbs) Open Pressure Length (in) Rate (lbs/in) Retainer Step (in) Max Lift Coil Bind
PSI CT 1509ML Single Beehive – VW 1.18 0.63 N/A N/A 130 1.45 250 1 267 0 0.45 0.95
PSI CT 1510ML Single Beehive – Viper 1.17 0.68 N/A N/A 105 1.75 317 1.155 356 0 0.595 1.09
PSI LS 1511ML Single Beehive – LS1 & LS6 1.29 0.63 N/A N/A 130 1.8 370 1.175 384 0 0.625 1.1
PSI LS 1512ML Dual LS1 & LS6 1.275 0.935 N/A 0.665 130 1.8 395 1.15 408 .100 0.65 1.07
PSI LS 1514ML Dual Late Model Stock 1.275 0.935 N/A 0.665 160 1.9 400 1.35 436 .100 0.55 1.23
PSI LS 1515ML Single Beehive – HEMI & LS7 1.29 0.64 N/A N/A 140 1.95 405 1.3 408 0 0.65 1.225
PSI LS 1516ML Single Beehive – LS1 & LS6 1.29 0.64 N/A N/A 150 1.8 420 1.14 409 0 0.66 1.08
PSI CT 1526ML Dual Nextel Cup 1.46 1.06 N/A 0.765 195 2 530 1.25 447 .070 0.75 1.15
PSI CT 1539ML Dual Circle Track 1.5 1.085 N/A 0.79 200 2 575 1.22 481 .100 0.78 1.15
PSI CT 1540ML Dual Circle Track 1.5 1.085 N/A 0.79 250 2.03 610 1.25 462 .100 0.78 1.18
PSI CT 1541ML Dual Circle Track 1.51 1.085 N/A 0.79 240 2.03 625 1.25 494 .100 0.78 1.18
PSI CT 1542ML Dual Circle Track 1.58 1.16 N/A 0.835 248 2.05 640 1.27 503 .100 0.78 1.2
PSI CT 1571ML Dual Circle Track 1.59 1.14 N/A 0.815 250 2.05 710 1.27 590 .100 0.78 1.2
PSI CT 1572ML Dual Circle Track 1.51 1.085 N/A 0.775 180 1.98 650 1.18 588 .100 0.8 1.11
PSI CT 1573ML Dual Circle Track 1.55 1.1 N/A 0.775 220 2.03 743 1.25 671 .100 0.78 1.18
PSI CT 1573DML Damper Circle Track 1.55 1.1 N/A 0.705 220 2.03 730 1.25 654 .100 0.78 1.18
PSI CT 1574ML Dual Circle Track 1.51 1.085 N/A 0.76  180 1.98 680 1.18 625 .070 0.8 1.11
PSI CT 1575ML Dual Circle Track 1.4 0.995 N/A 0.7 150 2 625 1.15 559 .070 0.85 1.1
PSI CT 1576ML Dual Circle Track 1.55 1.1 N/A 0.76 200 2.03 780 1.25 744 .100 0.78 1.18
PSI CT 1577DML Damper Circle Track 1.55 1.1 N/A 0.705 295 2 860 1.2 706 .100 0.8 1.15
PSI CT 1578ML Dual Circle Track 1.378 0.976 N/A 0.68 150 2 640 1.15 576 0 0.85 1.11
PSI CT 1579ML Dual Circle Track 1.42 0.996 N/A 0.7 240 2.1 834 1.2 660 .100 0.9 1.16
PSI CT 1580ML Dual Circle Track 1.51 1.085 N/A 0.76 205 1.98 705 1.18 625 .070 0.8 1.11
PSI CT
1581		 Dual Circle Track 1.300 .898 N/A 0.628 182 1.920 700 1.120 648 .100 0.8 1.05
PSI CT
1582		 Dual Circle Track 1.420 .996 N/A .700 200 2.100 785 1.200 650 .100 0.9 1.16
PSI CT
1583		 Dual Circle Track 1.420 .996 N/A .700 200 2.010 777 1.230 740 .100 0.78 1.18

1500 Series Endurance Springs – Overhead Cam Applications

Part # Type Application O.D. (in) Outer ID (in) Middle ID (in) Inner (in) Seat Pressure Load (lbs) Seat Pressure Length (in) Open Pressure Load (lbs) Open Pressure Length (in) Rate (lbs/in) Retainer Step (in) Max Lift Coil Bind
PSI CT 1530ML Dual Overhead Cam 1.205 0.91 N/A 0.67 80 1.25 255 0.73 337 0 0.52 0.69
PSI CT 1531ML Dual Overhead Cam 1.205 0.91 N/A 0.67 110 1.185 290 0.7 371 0 0.485 0.65
PSI CT 1532ML Dual Overhead Cam 1.205 0.91 N/A 0.67 90 1.43 265 0.83 292 0 0.6 0.8
PSI CT 1534ML Dual Overhead Cam 1.205 0.91 N/A 0.67 116 1.4 288 0.83 302 0 0.57 0.78
PSI CT 1536ML Dual Overhead Cam 1.22 0.91 N/A 0.67 115 1.42 309 0.85 340 0 0.57 0.8
PSI MX 16.01 Single Overhead Cam 0.634 0.45 N/A N/A 26 1.1 72 0.72 121 0 0.38 0.67
PSI MX 18.02 Single Overhead Cam 0.708 0.512 N/A N/A 32 1.1 86 0.72 142 0 0.38 0.67
PSI MX 19.01 Single Overhead Cam 0.724 0.514 N/A N/A 27 1.309 95 0.929 179 0 0.38 0.9
PSI MX 19.02 Single Overhead Cam 0.731 0.491 N/A N/A 37 1.26 132 0.89 257 0 0.37 0.84
PSI MX 19.03 Single Overhead Cam 0.731 0.491 N/A N/A 47 1.496 135 1.149 251 0 0.35 1.096
PSI MX 19.04 Single Overhead Cam 0.717 0.491 N/A N/A 37 1.26 115 0.89 211 0 0.37 0.84
PSI MX 19.05 Single Overhead Cam 0.74 0.514 N/A N/A 30 1.309 106 0.929 200 0 0.38 0.9
PSI MX 19.06 Single Overhead Cam 0.733 0.507 N/A N/A 40 1.118 117 0.758 215 0 0.36 0.71
PSI MX 20.01A Single Overhead Cam 0.754 0.514 N/A N/A 39 1.525 131 1.15 244 0 0.375 1.1
PSI MX 20.02 Single Overhead Cam 0.78 0.51 N/A N/A 39 1.525 164 1.124 313 0 0.401 1.05
PSI CT 20.03ML Dual Overhead Cam 0.77 0.565 N/A 0.44 43 1.15 98 0.75 138 0 0.4 0.675
PSI MX 20.04 Single Overhead Cam 0.756 0.56 N/A N/A 30 1.06 73 0.68 113 0 0.38 0.63
PSI MX 20.05 Single Overhead Cam 0.761 0.491 N/A N/A 47 1.496 158 1.146 317 0 0.35 1.096
PSI MX 20.06 Single Overhead Cam 0.74 0.514 N/A N/A 39 1.437 120 1.062 216 0 0.375 1.027
PSI MX 20.07 Single Overhead Cam 0.784 0.514 N/A N/A 58 1.604 180 1.229 325 0 0.375 1.195
PSI MX 20.08 Single Overhead Cam 0.784 0.514 N/A N/A 51 1.604 155 1.229 277 0 0.375 1.195
PSI MX 21.03 Single Overhead Cam 0.8 0.56 N/A N/A 33 1.317 115 0.957 228 0 0.36 0.877
PSI MX 21.04 Single Overhead Cam 0.8 0.56 N/A N/A 33 1.317 121 0.92 223 0 0.397 0.84
PSI CT 21.05ML Dual Overhead Cam 0.83 0.605 N/A 0.445 41 1.375 124 0.975 208 0 0.4 0.75
PSI MX 21.07 Single Overhead Cam 0.825 0.575 N/A N/A 35 1.24 126 0.852 235 0 0.388 0.802
PSI MX 21.09 Single Overhead Cam 0.8 0.56 N/A N/A 35 1.315 130 0.935 250 0 0.38 0.89
PSI MX 21.1 Single Overhead Cam 0.8 0.55 N/A N/A 44 1.228 156 0.843 291 0 0.385 0.79
PSI MX 22.01 Single Overhead Cam 0.845 0.575 N/A N/A 35 1.319 158 0.915 304 0 0.404 0.865
PSI MX 23.01 Single Overhead Cam 0.895 0.625 N/A N/A 45 1.322 149 0.889 240 0 0.433 0.849
PSI MX 24.01 Single Overhead Cam 0.934 0.65 N/A N/A 50 1.416 175 1.031 325 0 0.385 0.981
PSI MX 24.02 Single Overhead Cam 00.934 0.65 N/A N/A 40 1.337 165 0.902 287 0 0.435 0.852
PSI MX 24.03ML Dual Overhead Cam 0.91 0.685 N/A 0.525 69 1.25 153 0.75 167 0 0.5 0.65
PSI MX 24.04 Single Overhead Cam 0.91 0.67 N/A N/A 25 1.16 100 0.76 188 0 0.4 0.71
PSI CT 26.01ML Dual Overhead Cam 1.005 0.735 N/A 0.55 90 1.2 195 0.815 273 0 0.385 0.74
PSI MX 26.02 Single Overhead Cam 1 0.73 N/A N/A 35 1.16 130 0.76 238 0 0.4 0.71
PSI BH 28.01ML Beehive Ford 3 Valve 1.065 0.565 N/A N/A 80 1.65 255 1.1 318 0 0.55 1.04
PSI BH 28.02ML Beehive Ford 2 Valve 1.06 0.565 N/A N/A 85 1.65 220 1.1 245 0 0.55 1.04
PSI BH 29.01ML Beehive Ford 4 Valve 1.105 0.595 N/A N/A 75 1.5 260 0.95 336 0 0.55 0.89
PSI CT 29.02ML Dual Ford 4 Valve 1.135 0.85 N/A 0.61 90 1.5 270 0.95 327 0 0.55 0.91
PSI CT 32.01 Dual Overhead Cam 1.225 0.93 N/A 0.69 42 1.45 192 0.95 300 .070 0.5 0.818
PSI CT 32.02ML Dual Overhead Cam 1.235 0.91 N/A 0.67 97 1.255 281 0.833 436 .030 0.422 0.8
PSI CT 32.03ML Dual Overhead Cam 1.255 0.93 N/A 0.69 86 1.39 303 0.84 395 0 0.55 0.8
PSI CT 33.01ML Dual Overhead Cam 1.29 0.966 N/A 0.716 95 1.145 305 0.715 488 0 0.43 0.69

1000 Series Drag Springs – Pushrod Applications

Part # Type Application O.D. (in) Outer ID (in) Middle ID (in) Inner (in) Seat Pressure Load (lbs) Seat Pressure Length (in) Open Pressure Load (lbs) Open Pressure Length (in) Rate (lbs/in) Retainer Step (in) Max Lift Coil Bind
PSI DR 1047XL Triple Drag 1.66 1.195 0.87 0.63 300 2.07 900 1.27 750 .100 0.8 1.13
PSI DR 1048XL Triple Drag 1.66 1.195 0.87 0.63 338 2.1 1002 1.2 738 .100 0.9 1.13

1200 Series Drag Springs – Pushrod Applications

Part # Type Application O.D. (in) Outer ID (in) Middle ID (in) Inner (in) Seat Pressure Load (lbs) Seat Pressure Length (in) Open Pressure Load (lbs) Open Pressure Length (in) Rate (lbs/in) Retainer Step (in) Max Lift Coil Bind
PSI DR 1206ML Beehive Drag 1.25 0.65 N/A N/A 150 1.8 410 1.25 473 0 0.55 1.19
PSI DR 1224 Dual Drag 1.625 1.175 N/A 0.855 275 2 750 1.2 594 .100 0.8 1.13
PSI DR 425R Dual Drag 1.625 1.175 N/A 0.855 305 2.05 865 1.15 622 .100 0.9 1.1
PSI DR 426R Dual Drag 1.5 1.075 N/A 0.765 300 2.05 840 1.15 600 .100 0.9 1.1
PSI DR 427RML Dual Drag 1.3 0.898 N/A 0.628 230 1.85 715 1.1 647 .100 0.75 1.05
PSI DR 1246 Triple Drag 1.645 1.195 0.87 0.63 300 2 890 1.2 738 .100 0.8 1.1
PSI DR 1247 Triple Drag 1.66 1.195 0.87 0.63 340 2.07 940 1.27 750 .100 0.8 1.13
PSI DR 1248 Triple Drag 1.66 1.195 0.87 0.63 375 2.1 1045 1.2 744 .100 0.9 1.13
PSI DR 1249 Triple Drag 1.66 1.195 0.87 0.63 385 2.2 1110 1.2 725 .100 1 1.13
PSI DR 1250 Triple Drag 1.66 1.195 0.87 0.63 395 2.25 1178 1.2 746 .100 1.05 1.13
PSI DR 1251 Triple Drag 1.66 1.195 0.87 0.63 395 2.3 1176 1.25 744 .100 1.05 1.13
PSI DR 1252RML Triple Drag 1.66 1.195 0.87 0.63 425 2.25 1300 1.2 833 .100 1.05 1.08
PSI DR 1253RML Triple Drag 1.63 1.18 0.87 0.63 440 2.2 1200 1.15 724 .100 1.05 1.08
PSI DR 1254RML Dual Drag 1.52 1.07 N/A 0.745 350 2.1 1040 1.2 767 .100 0.9 1.14
PSI DR 1255RML Dual Drag 1.52 1.07 N/A 0.745 445 2.2 1170 1.2 725 .100 1 1.14
PSI DR 1256RML Dual Drag 1.54 1.07 N/A 0.745 390 2.2 1250 1.2 860 .100 1 1.14
PSI DR 1257RML Dual Drag 1.57 1.07 N/A 0.745 410 2.15 1260 1.3 1000 .100 0.85 1.2
PSI DR 1258RML Dual Drag 1.53 1.065 N/A 0.726 430 2.2 1375 1.2 945 .100 1 1.14
PSI DR 1259RML Dual Drag 1.52 1.07 N/A 0.73 375 2.15 1154 1.2 820 .100 0.95 1.14
PSI DR 1260RML Triple Drag 1.675 1.195 0.87 0.63 465 2.3 1295 1.25 790 .100 1.05 1.14
PSI DR 1261RML Triple Drag 1.675 1.195 0.87 0.63 510 2.3 1315 1.25 790 .100 1.05 1.14
PSI DR 1262RML Triple Drag 1.71 1.21 0.87 0.63 515 2.3 1460 1.25 900 .100 1.05 1.14
PSI DR 1263RML Triple Drag 1.675 1.195 0.87 0.63 425 2.4 1355 1.25 809 .100 1.15 1.1
PSI DR 1264RML Triple Drag 1.71 1.21 0.87 0.63 380 2.55 1530 1.25 885 .100 1.3 1.14
PSI DR 1265RML Triple Drag 1.71 1.21 0.87 0.63 550 2.3 1495 1.25 900 .100 1.05 1.14
PSI DR 1266RML Triple Drag 1.71 1.21 0.87 0.63 525 2.3 1550 1.25 976 .100 1.05 1.14
PSI DR 1267RML Triple Drag 1.74 1.24 0.88 0.63 400 2.55 1600 1.25 923 .100 1.3 1.18
PSI DR 1268RML Triple Drag 1.71 1.21 0.87 0.63 500 2.4 1612 1.25 967 .100 1.15 1.14
PSI DR1280RML Dual Drag 1.52 1.07 0 0.73 445 2.2 1255 1.2 810 .100 1 1.14
PSI DR 1281RML Dual Drag 1.54 1.07 0 0.73 390 2.2 1310 1.2 920 .100 1 1.14
PSI DR 1282RML Dual Drag 1.555 1.075 0 0.735 540 2.35 1464 1.3 880 .100 1.05 1.23
PSI DR 1283RML Dual Drag 1.585 1.075 0 0.735 550 2.35 1590 1.3 990 .100 1.05 1.23
PSI DR 1284RML Dual Drag 1.5 1.02 0 0.7 450 2.375 1435 1.325 938 .075 1.05 1.225
PSI DR
1285RML		 Dual Drag 1.535 1.070 0 0.745 430 2.200 1290 1.200 860 .100 1.00 1.140
PSI DR
1286RML		 Dual Drag 1.520 1.070 0 0.745 300 2.100 990 1.200 767 .100 .900 1.140

Titanium Drag Springs – Pushrod Applications

Part # Type Application O.D. (in) Outer ID (in) Middle ID (in) Inner (in) Seat Pressure Load (lbs) Seat Pressure Length (in) Open Pressure Load (lbs) Open Pressure Length (in) Rate (lbs/in) Retainer Step (in) Max Lift Coil Bind
PSI DR 1655 Dual Drag 1.75 1.185 N/A 0.685 340 2.25 1100 1.3 800 .100 See Note 1.18

1200 Series Drag Springs – Overhead Cam Applications

Part # Type Application O.D. (in) Outer ID (in) Middle ID (in) Inner (in) Seat Pressure Load (lbs) Seat Pressure Length (in) Open Pressure Load (lbs) Open Pressure Length (in) Rate (lbs/in) Retainer Step (in) Max Lift Coil Bind
PSI DR 1221RML Dual Pro Stock Motorcycle 1.215 0.89 N/A 0.65 150 1.4 450 0.75 462 .075 0.65 0.71
PSI DR 1222RML Dual Pro Stock Motorcycle 1.215 0.89 N/A 0.65 150 1.45 473 0.75 461 .075 0.7 0.71
PSI DR 1223RML Dual Pro Stock Motorcycle 1.215 0.89 N/A 0.65 165 1.45 488 0.75 461 .075 0.7 0.71

Clutch Springs

Part # Type Application O.D. (in) Outer ID (in) Middle ID (in) Inner (in) Seat Pressure Load (lbs) Seat Pressure Length (in) Open Pressure Load (lbs) Open Pressure Length (in) Rate (lbs/in) Retainer Step (in) Max Lift Coil Bind
PSI CS 18.01 Single Clutch Spring 0.709 0.525 N/A N/A 38 1 53 0.8 75 0 0.2 0.7
PSI CS 21.08 Single Clutch Spring 0.82 0.61 N/A N/A 66 0.905 73 0.825 81 0 0.08 0.8

JHE Springs – Made by PSI

Part # Type Application O.D. (in) Outer ID (in) Middle ID (in) Inner (in) Seat Pressure Load (lbs) Seat Pressure Length (in) Open Pressure Load (lbs) Open Pressure Length (in) Rate (lbs/in) Retainer Step (in) Max Lift Coil Bind
PSI JHE-x650 Dual Circle Track 1.310 0.900 N/A 0.615 205 1.885 645 1.235 674 .050 0.650 1.170
PSI JHE-x700 Dual Circle Track 1.310 0.900 N/A 0.615 190 1.935 665 1.235 680 .050 0.700 1.170
PSI JHE-10A Dual Circle Track 1.310 0.900 N/A 0.615 170 2.030 718 1.235 685 .050 0.800 1.170
PSI JHE-15 Dual Circle Track 1.310 0.900 N/A 0.615 170 2.070 750 1.235 690 .050 0.840 1.170
PSI JHE-18 Dual Circle Track 1.345 0.925 N/A 0.630 220 2.125 850 1.235 710 .050 0.900 1.175
PSI JHE-11 Dual Drag & Circle Track 1.220 0.900 N/A 0.655 93 1.300 335 0.750 440 .060 0.550 0.700
PSI JHE-11.5 Dual Drag & Circle Track 1.220 0.900 N/A 0.655 85 1.425 375 0.775 450 .060 0.600 0.700
PSI JHE-12 Dual Drag &  Circle Track 1.220 0.900 N/A 0.655 110 1.460 440 0.750 465 .060 0.710 0.700
PSI JHE-EX03 Dual Drag 1.530 1.065 N/A 0.750 430 2.200 1290 1.200 860 .100 1.000 1.140
PSI JHE-PM02 Dual Drag 1.540 1.070 N/A 0.720 475 2.150 1425 1.200 950 .100 0.950 1.140
PSI JHE-PM03 Dual Drag 1.530 1.065 N/A 0.735 430 2.200 1350 1.200 920 .100 1.000 1.140
PSI JHE-13 Triple NHRA Pro Stock Int 1.710 1.210 0.870 0.630 535 2.300 1500 1.250 919 .100 1.050 1.140
PSI JHE-14 Triple NHRA Pro Stock Int 1.710 1.210 0.870 0.630 475 2.400 1530 1.250 917 .100 1.150 1.140
PSI JHE-16 Triple NHRA Pro Stock Int 1.710 1.210 0.870 0.635 490 2.400 1595 1.250 961 .100 1.150 1.140

Any Questions? Call (704)664-7322.