Availability
Valve Springs
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
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Valve Spring Kit, Platinum, Dual, Standard, Titanium Retainer, 377 lbs./in. Spring Rate, Factory Valve Guides, Kit
Part Number: BTC-SK006-0560BB
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Valve Spring, Dual, 1.437 in. Outside Diameter, 375 lbs./in. Rate, 1.050 in. Coil Bind Height, Set of 16
Part Number: HRS-98441
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Valve Springs, NexTek, Dual, 1.522 in. O.D., 948 lbs./in. Rate, 1.255 in. Coil Bind Height, Set of 16
Part Number: MAN-221460-16
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Valve Springs, PAC Racing, Dual, 1.645 in. Outside Diameter, 580 lbs./in. Rate, 1.130 in. Coil Bind, Set of 16
Part Number: TFS-16959-16
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Valve Springs, Dual, 1.514 in. Outside Diameter, 1.150 in. Coil Height, Set of 16
Part Number: HRS-98636
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Valve Springs, PAC Racing, Dual, 1.550 in. Outside Diameter, 525 lbs./in. Rate, 1.190 in. Coil Bind, Set of 16
Part Number: TFS-16955-16
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Valve Springs, Sure Seat, Dual, 1.540 in. Outside Diameter, 1.900 Installed Height, Non-Rotator, Set of 16
Part Number: EDL-5823
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Valve Springs, Dual, 1.430 in. Outside Diameter, 275 lbs./in. Rate, 1.120 in. Coil Bind Height, Set of 16
Part Number: ISK-6005
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Valve Springs, Dual, 1.545 in. Outside Diameter, 638 lbs./in. Rate, 1.100 in. Coil Bind Height, Super Finish, Set of 16
Part Number: CCA-26944-16
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Valve Spring Kit, Platinum, Dual, Standard, Titanium Retainer, 0.060 in. Thick, 409 lbs./in. Spring Rate, Bronze Valve Guides, Kit
Part Number: BTC-SK702-6560BB
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Valve Springs, PAC Racing, Dual, 1.290 in. Outside Diameter, 370 lbs./in. Rate, 1.010 in. Coil Bind, Set of 16
Part Number: TFS-16904-16
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Valve Springs, Dual, 1.570 in. Outside Diameter, 753 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: CCA-944-16
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Valve Springs, Dual, 1.580 in. Outside Diameter, 535 lbs./in. Rate, 1.170 in. Coil Bind Height, Set of 16
Part Number: MAN-221443-16
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Valve Spring, Dual, 1.465 in. Outside Diameter, 420 lbs./in. Rate, 0.950 in. Coil Bind Height, Set of 16
Part Number: HRS-98438
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Valve Spring; Street/Strip Dual Valve Spring; GM LS;1.320 in. OD;0.654 in. ID;0.675 in. Max. Lift;129@1.835 in
Part Number: CCA-26926-16
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Valve Springs, Dual, 1.430 in. Outside Diameter, 330 lbs./in. Rate, 1.120 in. Coil Bind Height, Set of 16
Part Number: ISK-6105
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Valve Springs, Dual, 1.405 in. Outside Diameter, 338 lbs./in. Rate, 0.950 in. Coil Bind Height, Set of 16
Part Number: CRO-68404-16
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Valve Springs, PAC Racing, Dual, 1.300 in. Outside Diameter, 392 lbs./in. Rate, 1.065 in. Coil Bind, Set of 16
Part Number: TFS-16905-16
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Valve Springs, Dual, 1.384 in. Outside Diameter, 230 lbs./in. Rate, 1.000 in. Coil Bind Height, Set of 12
Part Number: CCA-988-12
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Valve Spring, Dual, 1.540 in. Outside Diameter, 413 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: HRS-98632
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Valve Springs, Dual, 1.304 in. OD, 7 Degree Locks, Steel Retainers, 392 lbs/in., Set of 16
Part Number: TFS-2500286
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
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: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Valve Springs, Platinum, Dual, 0.660 in. Maximum Valve Lift, 377 lbs./in. Spring Rate, 1.070 in. Coil Bind Height, Each
Part Number: BTC-SP0011
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Valve Spring, Dual, 1.540 in. Outside Diameter, 1.800 in. Installed Height, Each
Part Number: NAL-88963934
Not Yet Reviewed
Estimated Ship Date: Monday 3/23/2026 if shipped by air
Estimated Ship Date: Monday 3/23/2026 if shipped by air
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