Availability
Valve Springs, 1400 Series, Single, 1.307 in. Outside Diameter, 362 lb/in., 0.885 in Inside Diameter, Each
Part Number: RSC-PAC-1423
Not Yet Reviewed
Estimated Ship Date: Nov 28, 2025 if ordered today
Estimated Ship Date: Nov 28, 2025 if ordered today
Valve Spring, 1500 Series, Dual, 1.514 in. O.D., 483 lbs./in. Rate, 1.160 in. Coil Bind Height, Each
Part Number: RSC-PAC-1561
Not Yet Reviewed
Estimated Ship Date: Nov 28, 2025 if ordered today
Estimated Ship Date: Nov 28, 2025 if ordered today
Valve Springs, Hot Rod Series, Beehive, 1.254 in. O.D., 422 lbs/in. Rate, 1.150 in. Coil Bind Height, Each
Part Number: RSC-PAC-1902
Not Yet Reviewed
Estimated Ship Date: Nov 28, 2025 if ordered today
Estimated Ship Date: Nov 28, 2025 if ordered today
Valve Springs, Dual
Part Number: HRS-98438-12
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Valve Spring, Performance Hydraulic Flat Tappet, Single with Damper, 1.485 in. O.D., 1.061 in. I.D., 355 lbs/in., 0.590 in. Maximum Lift, Set of 12
Part Number: HRS-98511-12
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Valve Springs, Dual, 1.514 in. Outside Diameter, 348 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: HRS-98513
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
SBC 1.550 Dual Springs, Drag Solid Roller .800 Max Lift @ 275 Lb. seat@ 2.000 Installed, 805 Lb. @ 1.200 Open, 1.150 C.B., 663 Rate, Like PAC 1226
Part Number: SUM-174032D-1
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
SBC or BBC 1.500 Dual Springs, Advanced S.R.1.000 Max lift @ 420 Lb. seat @ 2.175 Installed, 1200 Lb. @ 1.175 Open, 1.130 C.B., 780 Rate,144g PAC 1355
Part Number: SUM-174041DP-1
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
BBC 1.645 Triple Springs, Endurance S.R., .950 Max Lift @ 350 Lb. seat @ 2.150 Installed, 1004 Lb. @ 1.200 Open, 1.130 C.B., 688 Rate, 183g PAC 1358
Part Number: SUM-174046TP-1
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Valve Springs, Dual, 1.440 in. Outside Diameter, 324 lbs./in. Rate, 1.030 in. Coil Bind Height, Set of 16
Part Number: CRO-68100X200-16
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Valve Springs, Dual, 1.505 in. Outside Diameter, 353 lbs./in. Rate, 1.140 in. Coil Bind Height, Each
Part Number: CRO-68101-1
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Valve Springs, Dual, 1.505 in. Outside Diameter, 353 lbs./in. Rate, 1.140 in. Coil Bind Height, Set of 16
Part Number: CRO-68101-16
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Valve Springs, Dual, 1.505 in. Outside Diameter, 353 lbs./in. Rate, 1.140 in. Coil Bind Height, Set of 16
Part Number: CRO-68101X202-16
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Valve Springs, Dual, 1.250 in. Outside Diameter, 285 lbs./in. Rate, 0.910 in. Coil Bind Height, Set of 8
Part Number: CRO-68106X208-8
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Valve Springs, Dual, 1.275 in. Outside Diameter, 388 lbs./in. Rate, 0.955 in. Coil Bind Height, Each
Part Number: CRO-68109X1-1
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Valve Springs, Dual, 1.275 in. Outside Diameter, 388 lbs./in. Rate, 0.955 in. Coil Bind Height, Set of 8
Part Number: CRO-68109X1-8
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Valve Springs, Dual, 1.385 in. Outside Diameter, 285 lbs./in. Rate, 0.910 in. Coil Bind Height, Each
Part Number: CRO-68324-1
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Valve Springs, Dual, 1.500 in. Outside Diameter, 452 lbs./in. Rate, 1.080 in. Coil Bind Height, Each
Part Number: CRO-68340-1
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Valve Springs, Triple, 1.670 in. Outside Diameter, 624 lbs./in. Rate, 1.230 in. Coil Bind Height, Set of 16
Part Number: CRO-68365-16
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Valve Springs, Dual, 1.550 in. Outside Diameter, 473 lbs./in. Rate, 1.140 in. Coil Bind Height, Each
Part Number: CRO-68369-1
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Valve Springs, Dual, 1.450 in. Outside Diameter, 463 lbs./in. Rate, 1.115 in. Coil Bind Height, Each
Part Number: CRO-68382-1
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Valve Springs, Dual, 1.510 in. Outside Diameter, 520 lbs./in. Rate, 1.080 in. Coil Bind Height, Each
Part Number: CRO-68388-1
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Valve Springs, Dual, 1.440 in. Outside Diameter, 450 lbs./in. Rate, 1.110 in. Coil Bind Height, Set of 12
Part Number: CRO-68390X3-12
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Valve Springs, Dual, 1.405 in. Outside Diameter, 338 lbs./in. Rate, 0.950 in. Coil Bind Height, Set of 12
Part Number: CRO-68404-12
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
Valve Springs, Dual, 1.405 in. Diameter, 338 lb./in., 0.950 in. Coil Bind Height, Set of 8
Part Number: CRO-68404-8
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
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