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Engines & Engine Parts
Twisted Wedge® Track Heat® Valve Spring Upgrade, Steel Retainers, Steel Locks, 3-Groove, Ford, 4.6L/5.4L 2V, Kit
Part Number: TFS-2500526
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Retainers, Steel, 7 Degree, 1.254 in. Outside Diameter, .600 in. Inside Diameter, Set of 16
Part Number: EDL-9730
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Valve Springs, Dual, 1.625 in. Outside Diameter, 550 lbs./in. Rate, 1.180 in. Coil Bind Height, Set of 16
Part Number: ISK-9945
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Dual, 1.625 in. Outside Diameter, 576 lbs./in. Rate, 1.205 in. Coil Bind Height, Set of 16
Part Number: CCA-26099-16
Not Yet Reviewed
Estimated Ship Date: Jun 15, 2026 if ordered today
Estimated Ship Date: Jun 15, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Howards Cams Pro-Alloy Mechanical Roller Valve Springs 98737
Not Yet Reviewed
Estimated Ship Date: Today
Valve Springs, Single, 1.285/1.299 in. Diameter, 70-80 lbs. Seat Pressure, 1.260 in. Coil Bind Height, Each
Part Number: MEL-VS-510
Not Yet Reviewed
Estimated Ship Date: May 22, 2026 if ordered today
Estimated Ship Date: May 22, 2026 if ordered today
SPRING CUP-ID 1.324 FOR 221421
Part Number: MAN-42130-16
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
Valve Springs, Beehive, Single, 1.077 in./1.282 in. O.D., 386 lbs./in. Rate, 1.181 in. Coil Bind Height, Cadillac, Chevrolet, GMC, Hummer, Saab, Each
Part Number: CCA-26906-1
Not Yet Reviewed
Estimated Ship Date: Jun 15, 2026 if ordered today
Estimated Ship Date: Jun 15, 2026 if ordered today
Valve Spring Shims, Case Hardened Steel, 1.358 in. Outside Diameter, .030 in. Thick, Set of 50
Part Number: DUR-3110HP
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, RPM Series, Beehive, Single, 1.290 in./1.040 O.D., 420 lbs./in. Rate, 1..070 in. Coil Bind Height, Each
Part Number: RSC-PAC-1276X
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Locator, Inside Locating Shoulder, Steel, 0.060 in. Thick, 1.550 in. O.D., 0.630 in. I.D., 0.750 in. Spring I.D., Set of 16
Part Number: CCA-4773-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
SPRING-1.437 DOUBLE
Part Number: MAN-22407-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Shims, Steel, 1.247 in. Outside Diameter, .060 in. Thick, Set of 100
Part Number: DUR-6052
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Retainers, 10 degree, Standard Style, Steel, 0.343 in. Stem Diameter, Set of 16
Part Number: TFS-21400307
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
VALVE SPRING LOCATOR, BTR SPRING LOCATOR - 4140 STEEL - .565" ID - .680" INNER STEP - .060" THICK - SOLD INDIVIDUALLY - SLS135-1
Part Number: BTC-SLS1351
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Valve Spring Shim, Steel, Hardened, 1.500 in. Outside Diameter, .060 in. Thick, Each
Part Number: CCA-4751-1
Not Yet Reviewed
Estimated Ship Date: Jun 15, 2026 if ordered today
Estimated Ship Date: Jun 15, 2026 if ordered today
Valve Spring, Dual, 1.625 in. Outside Diameter, 593 lbs./in. Rate, 1.150 in. Coil Bind Height, Each
Part Number: HRS-98737-1
Not Yet Reviewed
Estimated Ship Date: Jun 16, 2026 if ordered today
Estimated Ship Date: Jun 16, 2026 if ordered today
Valve Spring, Dual, 1.550 in. Outside Diameter, 521 lbs./in. Rate, 1.190 in. Coil Bind Height, Each
Part Number: HRS-98637-1
Not Yet Reviewed
Estimated Ship Date: Jun 16, 2026 if ordered today
Estimated Ship Date: Jun 16, 2026 if ordered today
Valve Spring Locator, Inside Locating Shoulder, Chromoly, 1.550 in. O.D., 0.575 in. I.D., 0.060 in. Thick, Each
Part Number: RSC-PAC-S103
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Dual Spring, 1.304 in Diameter, 409 Lbs/in. Spring Rate, 1.800 in Installed Height, Chevy, Each
Part Number: MEL-466594
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, Dual, Conical, Each
Part Number: CCA-7245-1
Estimated Ship Date: Jun 15, 2026 if ordered today
Estimated Ship Date: Jun 15, 2026 if ordered today
Valve Spring Locator, Inside Locating Shoulder, Chromoly, 0.070 in. Thick, 1.270 in. O.D., 0.565 in. I.D., 0.655 in. Spring I.D., Set of 16
Part Number: EW1-251-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Steel Spring Seats (0.060 Thickness)
Part Number: RSC-PAC-S120-16
Not Yet Reviewed
Estimated Ship Date: Jun 18, 2026 if ordered today
Estimated Ship Date: Jun 18, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
SBC or BBC 1.500 Dual Springs, Advanced S.R. .850 Max Lift @ 275 Lb. seat @ 2.050 Installed, 938 Lb. @ 1.200 Open, 1.130 C.B., 780 Rate, 144g PAC 1330
Part Number: SUM-174040DP-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Locator, Inside Locating Shoulder, Chromoly, 1.450 in. O.D., 0.630 in. I.D., 0.060 in. Thick, Each
Part Number: RSC-PAC-S113
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Locator, Inside Locating Shoulder, Steel, 0.060 in. Thick, 1.600 in. O.D., 0.570 in. I.D., 0.840 in. Spring I.D., Set of 16
Part Number: CCA-4714-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
