Availability
LS Dual Springs, Hyd. Or LLSR .750 Max Lift @ 160 Lb. seat @ 1.800 Installed, 510 Lb. @1.100 Open, 1.000 C.B., 1.324 Dia., 500 rate, Like PAC 1209X.
Part Number: SUM-174011DP-1
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Valve Springs, Beehive, Single, 1.210 in. O.D., 358 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: RSC-PAC-1235
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Valve Springs, PAC Racing, Beehive, 1.095 in./1.445 in. O.D., 370 lbs./in. Rate, 1.210 in. Coil Bind, Pair
Part Number: TFS-16120-2
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Valve Spring, PAC Racing, Dual, 1.100 in. Outside Diameter, 233 lbs./in. Rate, .850 in. Coil Bind, Each
Part Number: TFS-16521-1
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Valve Springs, PAC Racing, Dual, 1.540 in. Outside Diameter, 492 lbs./in. Rate, 1.130 in. Coil Bind, Pair
Part Number: TFS-16896-2
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Valve Spring, PAC Racing, Beehive, .959 in./1.061 in. O.D., 191 lbs./in. Rate, 1.020 in. Coil Bind, Each
Part Number: TFS-16213-1
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Valve Spring, PAC Racing, Dual, 1.275 in. Outside Diameter, 450 lbs./in. Rate, 1.080 in. Coil Bind, Each
Part Number: TFS-16306-1
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Valve Spring, PAC Racing, Beehive, 1.013 in./1.101 in. O.D., 258 lbs./in. Rate, .970 in. Coil Bind, Each
Part Number: TFS-16125-1
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Valve Springs, PAC Racing, Beehive, 1.055 in./1.290 in. O.D., 313 lbs./in. Rate, 1.140 in. Coil Bind,
Part Number: TFS-16915-2
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Valve Spring, PAC Racing, Beehive, .873 in./1.061 in. O.D., 308 lbs./in. Rate, .960 in. Coil Bind, Set of 8
Part Number: TFS-15411
Estimated Ship Date: Tomorrow
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Valve Spring, 1200 Series Drag Race, Triple, 1.645 in. O.D., 689 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: RSC-PAC-1249
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Valve Springs, Dual, 1.304 in. OD, 7 Degree Locks, Titanium Retainers, 440 lbs/in., Set of 16
Part Number: TFS-2500300
Estimated Ship Date: Tomorrow
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Valve Spring, Single, 1.250 in. Outside Diameter, 380 lbs./in. Rate, 1.180 in. Coil Bind, Each
Part Number: TFS-16314-1
Estimated Ship Date: Tomorrow
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Valve Springs, 1200 Series, Dual, 1.550 in. O.D., 663 lbs./in. Rate, 1.150 in. Coil Bind Height, Each
Part Number: RSC-PAC-1226
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Valve Spring, 1200 Series Drag Race, Dual, 1.625 in. O.D., 629 lbs./in. Rate, 1.100 in. Coil Bind Height, Each
Part Number: RSC-PAC-1228
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Valve Springs, Single, 1.440 in. Diameter, 340 lbs./in., 7 Degree Locks, Kit
Part Number: TFS-K16942
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Valve Springs, 1400 Series, Single, 1.307 in. Outside Diameter, 362 lb/in., 0.885 in Inside Diameter, Set of 16
Part Number: RSC-PAC-1423-16
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Springs, Sure Seat, Single, Non-rotator, 1.250 in. o.d., 1.150 Coil Bind Height, Set of 16
Part Number: EDL-5824
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Estimated Ship Date: Dec 18, 2025 if ordered today
Estimated Ship Date: Dec 18, 2025 if ordered today
Valve Springs, Single, 1.250 in. Outside Diameter, 1.700 in. Installed Height, Chevy, V6, 4.3L, Set of 12
Part Number: EDL-5814
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Estimated Ship Date: Dec 19, 2025 if ordered today
Estimated Ship Date: Dec 19, 2025 if ordered today
Valve Spring, RPM Series, Dual, 1.280 in. Outside Diameter, 425 lb/in., 0.655 in. Inside Diameter, Set of 16
Part Number: RSC-PAC-1222X-16
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Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Valve Spring, 1200 Series Drag Race, Triple, 1.645 in. O.D., 689 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: RSC-PAC-1246
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Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
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Valve Springs, Solid Roller Spring 1.550 O.D. Custom PAC Racing Spring, Each
Part Number: AFR-8000-1
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Valve Spring, Erson Endurance Solid Roller Spring, 1.580 O.D., #E915043, Each
Part Number: AFR-8023-1
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Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Valve Spring, Solid Flat Tappet/Street Hydraulic Roller Spring, 1.550 O.D., PAC #1924, Each
Part Number: AFR-8016-1
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Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Valve Spring, 1200 Series Drag Race, Triple, 1.645 in. O.D., 682 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: RSC-PAC-1247
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