Availability
Engines & Engine Parts
Valve Spring, Dual, 1.440 in. Outside Diameter, 286 lbs./in. Rate, 1.150 in. Coil Bind Height, Each
Part Number: HRS-98443-1
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Valve Springs, Single, 1.460/1.480 in. Diameter, 79-89 lbs. Seat Pressure, 1.270 in. Coil Bind Height, Each
Part Number: MEL-VS-420
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered 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-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Retainer (OEM Replacement), HT Steel, IN/EX, Kawasaki®, ZX-14, 2006-2011
Part Number: KPM-40-40291
Not Yet Reviewed
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
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: 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, Hot Rod Series, Beehive, 1.254 in. O.D., 422 lbs/in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1902-16
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered 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 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Valve Spring, Dual, 1.550 in. Outside Diameter, 508 lbs./in. Rate, 1.080 in. Coil Bind Height, Each
Part Number: HRS-98644-1
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Valve Spring, Triple, 1.680 in. Outside Diameter, 686 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: CCA-26082-1
Not Yet Reviewed
Estimated Ship Date: Jun 5, 2026 if ordered today
Estimated Ship Date: Jun 5, 2026 if ordered today
Valve Spring Retainer, Steel, 7 degree, 1.550 in. Outside Diameter, .700 in. Inside Diameter, Each
Part Number: MAN-23646-1
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Valve Springs, PAC Racing, Dual, 1.550 in. Outside Diameter, 550 lbs./in. Rate, 1.068 in. Coil Bind, Pair
Part Number: TFS-16943-2
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Retainer, Titanium, 7 degree Lock, 1.245 in., Dual Spring, Each
Part Number: AFR-8515-1
Not Yet Reviewed
Estimated Ship Date: Jun 11, 2026 if ordered today
Estimated Ship Date: Jun 11, 2026 if ordered today
Valve Spring Shim, Hardened, 0.785 in. I.D., 1.437 in. O.D., 0.030 in. Thick, Each
Part Number: MAN-03253-1
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Valve Spring Locators, Inside, Steel, .062 in. Thick, 1.535 in. O.D., .567 in. I.D., Set of 16
Part Number: MAN-42426-16
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Valve Spring Retainer, 400 Series, Single, Titanium, 0.795 in. O.D., Each
Part Number: RSC-PAC-R464
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, Triple, 1.677 in. Outside Diameter, 733 lbs./in. Rate, 1.142 in. Coil Bind Height, Each
Part Number: MAN-221448-1
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 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: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Valve Spring, Dual, 1.437 in. Outside Diameter, 380 lbs./in. Rate, 1.250 in. Coil Bind Height, Each
Part Number: HRS-98431-1
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Valve Spring, Single, 1.100 in. O.D., 294 lbs./in. Rate, 0.950 in. Coil Bind Height, Each
Part Number: MAN-22125-1
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
SPRING SEATS, FOR LS 26925, W/.520"
Part Number: CCA-4873-16
Not Yet Reviewed
Estimated Ship Date: Jun 5, 2026 if ordered today
Estimated Ship Date: Jun 5, 2026 if ordered today
RET-TI 1.335 10 DEG +.050
Part Number: MAN-23619-16
Not Yet Reviewed
Estimated Ship Date: May 26, 2026 if ordered today
Estimated Ship Date: May 26, 2026 if ordered today
BTR PLATINUM LS DUAL SPRING KIT - .660" LIFT - SK001
Part Number: BTC-S0478
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Valve Spring Retainers, Chromoly Steel, Set of 16
Part Number: TFS-21400120
Estimated Ship Date: Today
Estimated Ship Date: Today
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