Page 487 - 2018 Racecar Engineering Drag Racing Parts and Accessories Catalog

Racing Valve Springs
Ovate Beehive Springs
Large End Small End Installed Open Spring Coil Maximum
Part No. O.D. I.D. O.D. I.D. Height Load Rate Bind Lift
PACPAC-1218 1.290" .885" 1.055" .650" 130 @ 1.800" 318 @ 1.200" 313 1.140" .600"
PACPAC-1219 1.307" .885" 1.072" .650" 135 @ 1.800" 348 @ 1.175" 340 1.100" .625"
PACPAC-1220 1.445" 1.000" 1.095" .650" 155 @ 1.880" 377 @ 1.280" 370 1.210" .600"
PACPAC-1223 1.105" .742" .943" .580" 90 @ 1.470" 252 @ .970" 324 .900" .500"
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 Lg. End Sm. End Sm. End Installed Open Spring Coil Maximum
Part No. O.D. I.D. O.D. I.D. Height Load Rate Bind Lift
PACPAC-1409X 1.250" .845" 1.055" .650" 175 @ 1.800" 425 @ 1.250" 436 1.190" .550"
PACPAC-1427 1.454" 1.000" 1.104" .650" 200 @ 1.850" 500 @ 1.250" 500 1.190" .625"
Drag Race Springs
Outer Outer Middle Inner Installed Open Spring Coil Maximum
Part No. O.D. I.D. I.D. I.D. Height Load Rate Bind Lift
PACPAC-1203 1.260” .860” — .624” 145 @ 1.800” 511 @ 1.200” — 1.115” .650”
PACPAC-1224 1.625" 1.175" N/A .851" 275 @ 2.000" 810 @ 1.150" 629 1.100" .850"
PACPAC-1225 1.550" 1.100" N/A .788" 250 @ 2.000" 765 @ 1.200" 644 1.150" .800"
PACPAC-1226 1.550" 1.100" N/A .706" 275 @ 2.000" 805 @ 1.200" 663 1.150" .800"
PACPAC-1228 1.625" 1.175" N/A .851" 280 @ 2.100" 847 @ 1.150" 629 1.100" .900"
PACPAC-1237X 1.274” .900” — .630” 200 @ 1.800” 585 @ 1.100” 550 1.045” .700”
PACPAC-1248 1.645" 1.195" .871" .635" 332 @ 2.100" 950 @ 1.200" 687 1.130" .900"
PACPAC-1324 1.625" 1.175" N/A .851" 275 @ 2.000" 810 @ 1.150" 629 1.100" .850"
PACPAC-1325 1.550" 1.100" N/A .788" 250 @ 2.000" 765 @ 1.200" 644 1.150" .800"
PACPAC-1326 1.550" 1.100" N/A .706" 275 @ 2.000" 805 @ 1.200" 663 1.150" .800"
PACPAC-1328 1.625" 1.625" N/A .851" 280 @ 2.100" 847 @ 1.150" 629 1.100" .900"
PACPAC-1329 1.500" 1.050" N/A .726" 350 @ 2.100" 1052 @ 1.200" 780 1.130" .900"
PACPAC-1340 1.500” 1.085” — .790” 250 @ 2.030” 614 @ 1.250” — 1.180” .780”
PACPAC-1348 1.645" 1.195" .871" .635" 332 @ 2.100" 950 @ 1.200" 687 1.130" .900"
PACPAC-1349 1.645" 1.195" .871" .635" 385 @ 2.200" 1074 @ 1.200" 689 1.130" 1.000"
PACPAC-1350 1.645" 1.195" .871" .635" 440 @ 2.200" 1129 @ 1.200" 689 1.130" 1.000"
PACPAC-1351 1.667" 1.195" .871" .635" 450 @ 2.300" 1240 @ 1.250" 752 1.160" 1.050"
PACPAC-1355 1.500" 1.050" N/A .726" 420 @ 2.175" 1200 @ 1.175" 780 1.130" 1.000"
PACPAC-1356 1.500" 1.050" N/A .726" 300 @ 2.100" 1002 @ 1.200" 780 1.130" .900"
PACPAC-1357 1.500" 1.050" N/A .726" 375 @ 2.150" 1116 @ 1.200" 780 1.130" .950"
PACPAC-1358 1.645" 1.195" .871" .635" 350 @ 2.150" 1004 @ 1.200" 688 1.130" .950"
PACPAC-1364 1.681” 1.195” .871” .635” 525 @ 2.300” 1365 @ 1.300” — 1.100” 1.100”
PACPAC-1364L 1.681” 1.195” .871” .635” 500 @ 2.200” 1256 @ 1.300” — 1.100” .900”
PACPAC-1378 1.645” 1.195” .871” .635” 400 @ 2.200” 1280 @ 1.100” — 1.000” 1.100”

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 Outer Inner Installed Open Spring Coil Max.
Part No. O.D. I.D. Damper I.D. Height Load Rate Bind Lift
PACPAC-1207X 1.304" .950" No .680" 155 @ 1.800" 436 @ 1.150" 433 1.000" .700"
Beehive Single Springs
Lg. End Lg. End Sm. End Sm. End Installed Open Spring Coil Max.
Part No. O.D. I.D. O.D. I.D. Height Load Rate Bind Lift
PACPAC-1211X 1.290" .906" 1.034" .650" 130 @ 1.800" 370 @ 1.175" 385 1.100" .625"
PACPAC-1219X 1.207" .885" 1.072" .650" 145 @ 1.800" 358 @ 1.175" 340 1.100" .625"
PACPAC-1220X 1.445" 1.000" 1.095" .650" 160 @ 1.900" 400 @ 1.250" 370 1.210" .650"
PACPAC-1255X 1.445" .990" 1.186" .731" 175 @ 1.950" 440 @ 1.300" 408 1.220" .700"

A
Spring Installed Height Gauge Chrome Moly Spring Seats B C
PACPAC-T902 Dimensions
A
B
Part No.
C
Made of durable, stainless steel. Standard Model, PACPAC-S110 Thickness 1.500" .715" .570"
.060"
1.800"-2.600" installed heights. PACPAC-S103 .060" 1.550" .770" .575"
PACPAC-S105 .060" 1.550" .700" .575"

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