PERFORMANCE FROM
START TO FINISH
248-486-3372
MADE IN THE USA
About
About Performance Springs
What Started it All
About our Springs
Products
1200 Series
1500 Series
Calculate
Custom Designs
Distributors
Press
Contact Us
1200 Series
psisprings
2017-04-03T22:14:41+00:00
PSI Products
PSI 1200 SERIES PRODUCTS
Display specs in:
Inches
Metric
Pushrod Applications
Part
Number
Part
Description
Spring
O.D.
Outer
ID
Middle
ID
Inner
ID
Seat
Pressure
Open
Pressure
Rate
Lbs/in.
Ret.
Step
Max
Lift
Coil
Bind
CT 103
Single...
0.916"
0.676"
30 lbs @ 1.250"
103 lbs @ 0.730"
140.0"
0.520"
0.680"
CT 1201D
Single w/ Damper...
1.260"
0.857"
0.772"
150 lbs @ 1.750"
460 lbs @ 1.200"
514.5"
0.550"
1.100"
CT 1204D
Single w/ Damper...
1.262"
0.878"
0.792"
100 lbs @ 1.800"
345 lbs @ 1.300"
446.0"
0.500"
1.070"
CT 1205D
Single w/ Damper...
1.530"
1.115"
120 lbs @ 1.875"
350 lbs @ 1.225"
354.0"
0.650"
1.110"
DR 1206 ML
Beehive...
1.250"
0.650"
150 lbs @ 1.800"
410 lbs @ 1.250"
473.0"
0.550"
1.190"
DR 1224
Dual...
1.625"
1.175"
0.855"
275 lbs @ 2.000"
750 lbs @ 1.200"
594.0"
0.100"
0.800"
1.130"
CT 1225
Dual...
1.445"
1.060"
0.775"
140 lbs @ 1.950"
435 lbs @ 1.200"
393.0"
0.070"
0.750"
1.100"
CT 1226
Dual...
1.460"
1.060"
0.765"
195 lbs @ 2.000"
525 lbs @ 1.250"
440.0"
0.070"
0.750"
1.150"
CT 1227
Dual...
1.560"
1.150"
0.825"
200 lbs @ 2.000"
555 lbs @ 1.275"
490.0"
0.100"
0.725"
1.170"
CT 1240
Dual...
1.500"
1.085"
0.790"
250 lbs @ 2.030"
610 lbs @ 1.250"
462.0"
0.100"
0.780"
1.200"
CT 1242
Dual...
1.580"
1.160"
0.835"
248 lbs @ 2.050"
640 lbs @ 1.270"
503.0"
0.100"
0.780"
1.200"
CT 1243
Dual...
1.580"
1.160"
0.835"
230 lbs @ 2.000"
610 lbs @ 1.270"
521.0"
0.100"
0.730"
1.200"
CT 1244
Dual...
1.610"
1.160"
0.835"
235 lbs @ 2.050"
640 lbs @ 1.300"
540.0"
0.100"
0.750"
1.220"
CT 1245
Dual...
1.610"
1.160"
0.835"
275 lbs @ 2.050"
680 lbs @ 1.300"
540.0"
0.100"
0.750"
1.230"
DR 1246
Triple...
1.645"
1.195"
0.870"
0.630"
300 lbs @ 2.000"
890 lbs @ 1.200"
738.0"
0.100"
0.800"
1.100"
DR 1247
Triple...
1.660"
1.195"
0.870"
0.630"
340 lbs @ 2.070"
940 lbs @ 1.270"
750.0"
0.100"
0.800"
1.130"
DR 1248
Triple...
1.660"
1.195"
0.870"
0.630"
375 lbs @ 2.100"
1045 lbs @ 1.200"
744.0"
0.100"
0.900"
1.130"
DR 1249
Triple...
1.660"
1.195"
0.870"
0.630"
385 lbs @ 2.200"
1110 lbs @ 1.200"
725.0"
0.100"
1.000"
1.130"
DR 1250 RML
Triple...
1.660"
1.195"
0.870"
0.630"
395 lbs @ 2.250"
1178 lbs @ 1.200"
746.0"
0.100"
1.050"
1.130"
DR 1251 RML
Triple...
1.660"
1.195"
0.870"
0.630"
395 lbs @ 2.300"
1176 lbs @ 1.250"
744.0"
0.100"
1.050"
1.130"
DR 1252 RML
Triple...
1.660"
1.195"
0.870"
0.630"
425 lbs @ 2.250"
1300 lbs @ 1.200"
833.0"
0.100"
1.050"
1.080"
DR 1253 RML
Triple...
1.630"
1.180"
0.870"
0.630"
440 lbs @ 2.200"
1200 lbs @ 1.150"
724.0"
0.100"
1.050"
1.080"
DR 1254 RML
Dual...
1.520"
1.070"
0.745"
350 lbs @ 2.100"
1040 lbs @ 1.200"
767.0"
0.100"
0.900"
1.140"
DR 1255 RML
Dual...
1.520"
1.070"
0.745"
445 lbs @ 2.200"
1185 lbs @ 1.200"
740.0"
0.100"
1.000"
1.140"
DR 1256 RML
Dual...
1.540"
1.070"
0.745"
390 lbs @ 2.200"
1250 lbs @ 1.200"
860.0"
0.100"
1.000"
1.140"
DR 1257 RML
Dual...
1.570"
1.070"
0.745"
410 lbs @ 2.150"
1260 lbs @ 1.300"
1000.0"
0.100"
0.850"
1.200"
DR 1258 RML
Dual...
1.530"
1.065"
0.726"
430 lbs @ 2.200"
1375 lbs @ 1.200"
945.0"
0.100"
1.000"
1.140"
DR 1259 RML
Dual...
1.520"
1.070"
0.730"
375 lbs @ 2.150"
1154 lbs @ 1.200"
820.0"
0.100"
0.950"
1.140"
DR 1260 RML
Triple...
1.675"
1.195"
0.870"
0.630"
465 lbs @ 2.300"
1295 lbs @ 1.250"
790.0"
0.100"
1.050"
1.140"
DR 1261 RML
Triple...
1.675"
1.195"
0.870"
0.630"
510 lbs @ 2.300"
1340 lbs @ 1.250"
790.0"
0.100"
1.050"
1.140"
DR 1262 RML
Triple...
1.710"
1.210"
0.870"
0.630"
515 lbs @ 2.300"
1460 lbs @ 1.250"
900.0"
0.100"
1.050"
1.140"
DR 1263 RML
Triple...
1.675"
1.195"
0.870"
0.630"
425 lbs @ 2.400"
1355 lbs @ 1.250"
809.0"
0.100"
1.150"
1.100"
DR 1264 RML
Triple...
1.710"
1.210"
0.870"
0.630"
380 lbs @ 2.550"
1530 lbs @ 1.250"
885.0"
0.100"
1.300"
1.140"
DR 1265 RML
Triple...
1.710"
1.210"
0.870"
0.630"
550 lbs @ 2.300"
1495 lbs @ 1.250"
900.0"
0.100"
1.050"
1.140"
DR 1266 RML
Triple...
1.710"
1.210"
0.870"
0.630"
525 lbs @ 2.300"
1550 lbs @ 1.250"
976.0"
0.100"
1.050"
1.140"
DR 1267 RML
Triple...
1.740"
1.240"
0.880"
0.630"
430 lbs @ 2.550"
1630 lbs @ 1.250"
923.0"
0.100"
1.300"
1.180"
DR 1268 RML
Triple...
1.710"
1.210"
0.870"
0.630"
500 lbs @ 2.400"
1612 lbs @ 1.250"
967.0"
0.100"
1.150"
1.140"
CT 1277
Dual...
1.510"
1.085"
0.760"
230 lbs @ 1.875"
655 lbs @ 1.195"
625.0"
0.070"
0.680"
1.110"
DR 1280 RML
Dual...
1.520"
1.070"
0.730"
445 lbs @ 2.200"
1255 lbs @ 1.200"
810.0"
0.100"
1.000"
1.140"
DR 1281 RML
Dual...
1.540"
1.070"
0.730"
390 lbs @ 2.200"
1310 lbs @ 1.200"
920.0"
0.100"
1.000"
1.140"
DR 1282 RML
Dual...
1.555"
1.075"
0.735"
540 lbs @ 2.350"
1464 lbs @ 1.300"
880.0"
0.100"
1.050"
1.230"
DR 1283 RML
Dual...
1.585"
1.075"
0.735"
550 lbs @ 2.350"
1590 lbs @ 1.300"
990.0"
0.100"
1.050"
1.230"
DR 1284 RML
Dual...
1.500"
1.020"
0.700"
450 lbs @ 2.375"
1435 lbs @ 1.325"
938.0"
0.075"
1.050"
1.225"
DR 1285 RML
Dual...
1.535"
1.070"
0.745"
430 lbs @ 2.200"
1290 lbs @ 1.200"
860.0"
0.100"
1.000"
1.140"
DR 1286 RML
Dual...
1.520"
1.070"
0.745"
300 lbs @ 2.100"
990 lbs @ 1.200"
767.0"
0.100"
0.900"
1.140"
DR 1655
Titanium...
1.750"
1.185"
0.685"
340 lbs @ 2.250"
1100 lbs @ 1.300"
800.0"
0.100"
1.180"
DR 424 R
Dual...
1.525"
1.100"
0.780"
250 lbs @ 2.000"
775 lbs @ 1.200"
656.0"
0.100"
0.800"
1.140"
DR 425 R
Dual...
1.625"
1.175"
0.855"
305 lbs @ 2.050"
865 lbs @ 1.150"
622.0"
0.100"
0.900"
1.100"
DR 426 R
Dual...
1.500"
1.075"
0.765"
300 lbs @ 2.050"
840 lbs @ 1.150"
600.0"
0.100"
0.900"
1.100"
DR 427 RML
Dual...
1.300"
0.898"
0.628"
230 lbs @ 1.850"
715 lbs @ 1.100"
647.0"
0.100"
0.750"
1.050"
DR 428 RML
Dual...
1.300"
0.898"
0.648"
215 lbs @ 1.850"
674 lbs @ 1.100"
612.0"
0.750"
1.050"
Overhead Cam Applications
Part
Number
Part
Description
Spring
O.D.
Outer
ID
Middle
ID
Inner
ID
Seat
Pressure
Open
Pressure
Rate
Lbs/in.
Ret.
Step
Max
Lift
Coil
Bind
DR 1221 RML
Dual...
1.215"
0.890"
0.650"
150 lbs @ 1.400"
450 lbs @ 0.750"
462.0"
0.075"
0.650"
0.710"
DR 1222 RML
Dual...
1.215"
0.890"
0.650"
150 lbs @ 1.450"
473 lbs @ 0.750"
461.0"
0.075"
0.700"
0.710"
DR 1223 RML
Dual...
1.215"
0.890"
0.650"
165 lbs @ 1.450"
488 lbs @ 0.750"
461.0"
0.075"
0.700"
0.710"
DR 325 RML
Dual...
1.215"
0.890"
0.650"
202 lbs @ 1.450"
545 lbs @ 0.750"
490.0"
0.075"
0.700"
0.710"
