Availability
SBC 1.550 Dual Springs, Endurance Solid Roller, .700 Max Lift @ 240 Lb. seat @ 1.900 Installed, 625 Lbs. @ 1.200 Open, 1.130 C.B., 550 Rate, PAC 1243
Part Number: SUM-174030D-16
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Valve Springs, Dual, 1.290 in. OD, 7 Degree Locks, Titanium Retainers, 370 lbs/in., Set of 16
Part Number: TFS-2500285
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Dual, 1.295 in. OD, 7 Degree Locks, Titanium Retainers, 392 lbs/in., Set of 16
Part Number: TFS-2500289
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Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Dual, 1.324 in. OD, 7 Degree Locks, Titanium Retainers, 460 lbs/in., Set of 16
Part Number: TFS-2500306
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Estimated Ship Date: Today
Valve Springs, PAC Racing, Beehive, 1.013 in./1.101 in. O.D., 258 lbs./in. Rate, .970 in. Coil Bind, Set of 32
Part Number: TFS-16125-32
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Estimated Ship Date: Today
Estimated Ship Date: Today
Performance Valve Springs, 120 lbs, Dodge Cummins 5.9L, Set of 12
Part Number: APF-1039032272
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Estimated Ship Date: Today
Estimated Ship Date: Today
6.4 Apache Hemi Valve Springs, .650 Max Lift @ 175 Lb. seat @ 2.050 Installed, 450 Lb. @ 1.396 Open, 1.346 C.B. 1.345 Dia., 423 Rate, Like PAC 1232X
Part Number: SUM-174016BP-16
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Estimated Ship Date: Today
Estimated Ship Date: Today
2011-17 Ford Coyote V8 Valve Springs, .575 Max Lift @ 92 Lb. seat @ 1.575 Installed, 218 Lb. @ 1.050 Open, .941 CB, 1.021 Dia., 240 Rate, PAC 1234X
Part Number: SUM-174021BP-16
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Estimated Ship Date: Today
Estimated Ship Date: Today
SBC 1.550 Dual Springs, Drag Solid Roller, .800 Max Lift @ 250 Lb. seat @ 2.000 Installed, 765 Lb. @ 1.200 Open, 1.150 C.B., 644 Rate, Like PAC 1225
Part Number: SUM-174031D-16
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Estimated Ship Date: Today
Estimated Ship Date: Today
BBC 1.625 Dual Springs, Solid Roller .850 Max Lift @ 275 Lb. seat @ 2.000 Installed, 810 Lb. @ 1.150 Open, 1.100 C.B., 629 Rate, 152g Like PAC 1224
Part Number: SUM-174042D-16
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Estimated Ship Date: Today
Estimated Ship Date: Today
7.3 Godzilla Valve Springs, .650 Max Lift @ 160 Lb. seat @ 2.250 Installed, 420 @ 1.600 Open, 1.544 C.B., 1.270 Dia., 400 Rate, Like PAC 1282LX
Part Number: SUM-174020BP-16
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Estimated Ship Date: Today
Estimated Ship Date: Today
2018-23 Ford Coyote V8 Valve Springs, .551 Max lift @ 80 Lb. seat @ 1.811 Installed, 214 Lb. @ 1.260 Open, 1.208 CB, 1.031 Dia., 245 Rate, PAC 1281X
Part Number: SUM-174022BP-16
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Estimated Ship Date: Today
Estimated Ship Date: Today
BBC 1.625 Dual Springs, Solid Roller .900 Max Lift @ 280 Lb. seat @ 2.100 Installed, 847 Lb. @ 1.150 Open, 1.100 C.B., 629 Rate, 152g Like PAC 1228
Part Number: SUM-174043D-16
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Estimated Ship Date: Today
Estimated Ship Date: Today
BBC 1.645 Triple Springs, .900 Max Lift @ 332 Lb. seat @ 2.100 Installed, 950 Lb. @ 1.200 Open, 1.130 C.B., 687 Rate, 183 gr. Like PAC 1248
Part Number: SUM-174045T-16
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Estimated Ship Date: Today
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KIT-SPRING/RETAINER
Part Number: MAN-26185
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Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
Valve Springs, Ovate Beehive, 1.29 in. Outside Diameter, 313 lbs./in. Spring Rate, 1.140 in. Coil Bind Height, Set of 16
Part Number: HRS-98110
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Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
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Valve Springs, Single, 1.010 in. O.D., 320 lbs./in. Rate, 1.195 in. Coil Bind Height, Set of 32
Part Number: CCA-26124-32
Not Yet Reviewed
Estimated Ship Date: Nov 18, 2025 if ordered today
Estimated Ship Date: Nov 18, 2025 if ordered today
Conical Spring, .630" Lift Conical Spring Kit for '09-'18 Dodge 5.7
Part Number: CCA-7228CC-KIT
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Estimated Ship Date: Nov 18, 2025 if ordered today
Estimated Ship Date: Nov 18, 2025 if ordered today
VALVE SPRINGS, 1.430" OUTER W/ DAMPER
Part Number: CCA-984-100
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Estimated Ship Date: Nov 18, 2025 if ordered today
Estimated Ship Date: Nov 18, 2025 if ordered today
Valve Springs, Dual, 1.550 in. Outside Diameter, 496 lbs./in. Rate, 1.230 in. Coil Bind Height, Set of 12
Part Number: CCA-955-12
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Estimated Ship Date: Nov 18, 2025 if ordered today
Estimated Ship Date: Nov 18, 2025 if ordered today
Valve Spring Kit, Platinum, Dual, Standard, Titanium Retainer, 0.060 in. Thick, 409 lbs./in. Spring Rate, Factory Valve Guides, Kit
Part Number: BTC-SK707-0560BB
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Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
VALVE SPRING
Part Number: HRS-98221
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Estimated Ship Date: Nov 18, 2025 if ordered today
Estimated Ship Date: Nov 18, 2025 if ordered today
Valve Spring, Pacaloy Mechanical Roller, Dual, 1.260 in. O.D., 0.624 in. I.D., 610 lbs/in., 0.550 in. Maximum Lift, 1.115 in. Coil Bind, Set of 16
Part Number: HRS-98223
Not Yet Reviewed
Estimated Ship Date: Nov 18, 2025 if ordered today
Estimated Ship Date: Nov 18, 2025 if ordered today
Valve Springs, Triple, 1.660 in. Outside Diameter, 725 lbs./in. Rate, 1.145 in. Coil Bind Height, Set of 16
Part Number: HRS-98049
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Estimated Ship Date: Nov 18, 2025 if ordered today
Estimated Ship Date: Nov 18, 2025 if ordered today
Valve Springs, Valve Spring, Triple, 1.645 OD, .635 ID
Part Number: HRS-98846
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Estimated Ship Date: Nov 18, 2025 if ordered today
Estimated Ship Date: Nov 18, 2025 if ordered today
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