Racing Valve Springs Ovate Beehive Springs
Large End
Small End
Installed Height
Open Load
Spring Rate
Coil Bind
Maximum Lift
Part No.
O.D.
I.D.
O.D.
I.D.
PACPAC-1218 PACPAC-1219 PACPAC-1220 PACPAC-1223
1.290" 1.307" 1.445" 1.105"
.885" .885"
1.055" .650" 1.072" .650"
130 @ 1.800" 135 @ 1.800" 155 @ 1.880" 90 @ 1.470"
318 @ 1.200" 348 @ 1.175" 377 @ 1.280" 252 @ .970"
313 340 370 324
1.140" 1.100" 1.210" .900"
.600" .625" .600" .500"
1.000" 1.095" .650"
.742"
.943" .580"
Stock Eliminator Springs Recent NHRA/IHRA rule changes allow the usage of modern beehive valve springs and associated small lightweight retainers. Sold in sets of 16, springs are for drag racing only.
Lg. End O.D.
Lg. End I.D.
Sm. End O.D.
Sm. End I.D.
Installed Height
Open Load
Spring Rate
Coil Bind
Maximum Lift
Part No.
PACPAC-1409X 1.250"
.845"
1.055" .650"
175 @ 1.800" 200 @ 1.850"
425 @ 1.250" 500 @ 1.250"
436 500
1.190" 1.190"
.550" .625"
PACPAC-1427
1.454"
1.000" 1.104" .650"
Drag Race Springs
Outer O.D. 1.260” 1.625" 1.550" 1.550" 1.625" 1.645" 1.625" 1.550" 1.550" 1.625" 1.500" 1.500” 1.645" 1.645" 1.645" 1.667" 1.500" 1.500" 1.500" 1.645" 1.681” 1.681” 1.645”
Outer I.D. .860” 1.175" 1.100" 1.100" 1.175" .900” 1.195" 1.175" 1.100" 1.100" 1.625" 1.050" 1.085” 1.195" 1.195" 1.195" 1.195" 1.050" 1.050" 1.050" 1.195" 1.195” 1.195” 1.195”
Middle I.D.
Inner I.D.
Installed Height
Open Load
Spring Rate
Coil Bind
Maximum Lift
Part No.
PACPAC-1203 PACPAC-1224 PACPAC-1225 PACPAC-1226 PACPAC-1228 PACPAC-1248 PACPAC-1324 PACPAC-1325 PACPAC-1326 PACPAC-1328 PACPAC-1329 PACPAC-1340 PACPAC-1348 PACPAC-1349 PACPAC-1350 PACPAC-1351 PACPAC-1355 PACPAC-1356 PACPAC-1357 PACPAC-1358 PACPAC-1364 PACPAC-1364L PACPAC-1378
— .624” N/A .851" N/A .788" N/A .706" N/A .851" — .630” .871" .635" N/A .851" N/A .788" N/A .706" N/A .851" N/A .726" — .790” .871" .635" .871" .635" .871" .635" .871" .635" N/A .726" N/A .726" N/A .726" .871" .635" .871” .635” .871” .635” .871” .635”
145 @ 1.800” 275 @ 2.000" 250 @ 2.000" 275 @ 2.000" 280 @ 2.100" 200 @ 1.800” 332 @ 2.100" 275 @ 2.000" 250 @ 2.000" 275 @ 2.000" 280 @ 2.100" 250 @ 2.030” 332 @ 2.100"
511 @ 1.200” 810 @ 1.150" 765 @ 1.200" 805 @ 1.200" 847 @ 1.150" 585 @ 1.100” 950 @ 1.200" 810 @ 1.150" 765 @ 1.200" 805 @ 1.200" 847 @ 1.150" 614 @ 1.250” 950 @ 1.200"
— 1.115”
.650” .850" .800" .800" .900" .700” .900" .850" .800" .800" .900" .900" .780” .900" 1.000" 1.000" 1.050" 1.000" .900" .950" .950" 1.100” .900” 1.100”
629 644 663 629 550 687 629 644 663 629 780 687 689 689 752 780 780 780 688
1.100" 1.150" 1.150" 1.100" 1.045” 1.130" 1.100" 1.150" 1.150" 1.100" 1.130" 1.130" 1.130" 1.130" 1.160" 1.130" 1.130" 1.130" 1.130"
PACPAC-1237X 1.274”
350 @ 2.100" 1052 @ 1.200"
— 1.180”
385 @ 2.200" 1074 @ 1.200" 440 @ 2.200" 1129 @ 1.200" 450 @ 2.300" 1240 @ 1.250" 420 @ 2.175" 1200 @ 1.175" 300 @ 2.100" 1002 @ 1.200" 375 @ 2.150" 1116 @ 1.200" 350 @ 2.150" 1004 @ 1.200" 525 @ 2.300” 1365 @ 1.300” 500 @ 2.200” 1256 @ 1.300” 400 @ 2.200” 1280 @ 1.100”
— 1.100” — 1.100” — 1.000”
RPM Series Springs RPM Series springs include an innovative manufacturing process that delivers increased performance. Springs, which are suited to street or strip use, are offered in dual style for GM LS or beehive single designs. Sold in sets of 16. Dual Springs For GM LS
Outer O.D.
Outer I.D. .950"
Inner I.D. .680"
Installed Height
Open Load
Spring Rate
Coil Bind
Max. Lift .700"
Part No.
Damper
PACPAC-1207X 1.304"
No
155 @ 1.800"
436 @ 1.150"
433
1.000"
Beehive Single Springs
Lg. End O.D.
Lg. End I.D.
Sm. End O.D.
Sm. End I.D.
Installed Height
Open Load
Spring Rate
Coil Bind
Max. Lift .625" .625" .650" .700"
Part No.
PACPAC-1211X 1.290" PACPAC-1219X 1.207" PACPAC-1220X 1.445" PACPAC-1255X 1.445"
.906" .885"
1.034" .650" 1.072" .650"
130 @ 1.800" 145 @ 1.800" 160 @ 1.900" 175 @ 1.950"
370 @ 1.175" 358 @ 1.175" 400 @ 1.250" 440 @ 1.300"
385 340 370 408
1.100" 1.100" 1.210" 1.220"
1.000" 1.095" .650"
.990"
1.186" .731"
A B C
Spring Installed Height Gauge PACPAC-T902 Made of durable, stainless steel. Standard Model, 1.800"-2.600" installed heights.
Chrome Moly Spring Seats
Dimensions
Part No.
Thickness
A
B
C
PACPAC-S110 PACPAC-S103 PACPAC-S105
.060" .060" .060"
1.500" .715" .570" 1.550" .770" .575" 1.550" .700" .575"
485
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