Availability
Valve Springs
Pro LS Valve Springs, Drop in, 0.600 Max Lift, Single Beehive, 1.290 in. O.D., 310 lbs./in. Spring Rate, 1.800 in. Installed Height, Set of 16
Part Number: SUM-174004
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Valve Springs, Beehive, Single, 1.290 in. O.D., 313 lbs./in. Rate, 1.140 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1218-16
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Valve Springs, PAC Racing, Beehive, 1.055 in./1.290 in. O.D., 313 lb./in. Rate, 1.140 in. Coil Bind, Set of 16
Part Number: TFS-16918-16
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Valve Spring and Retainer Kits, Single, Std., 1.514 in. O.D., 348 lbs./in., 0.375 in. Dia. Valve Stem, Retainers, 10-Degree Locks, Damper Spring, Kit
Part Number: HRS-98636-K32
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Valve Spring and Retainer Kits, Single, Std., 1.514 in. O.D., 348 lbs./in., 0.344 in. Dia. Valve Stem, Retainers, 7-Degree Locks, Damper Spring, Kit
Part Number: HRS-98636-K11
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Valve Springs, Single, 1.260 in. Outside Diameter, 447 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16
Part Number: CCA-941-16
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Valve Springs, Single, 1.260 in. Outside Diameter, 350 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: ISK-235D
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Valve Springs, Single, 1.260 in. Outside Diameter, 370 lbs./in. Rate, 1.095 in. Coil Bind Height, Set of 16
Part Number: MAN-22410-16
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Valve Springs, Single, 0.590 in. Maximum Valve Lift, Set of 16
Part Number: CCA-941HP-16
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Valve Springs, RPM Series, Beehive, Single, 1.290 in. O.D., 384 lbs/in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1211X-16
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 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 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Valve Spring and Retainer Kits, Single, Std., 1.514 in. O.D., 348 lbs./in., 0.344 in. Dia. Valve Stem, Retainers, 10-Degree Locks, Damper Spring, Kit
Part Number: HRS-98636-K12
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Valve Springs, Dual Spring, 1.264/1.029 in Diameter, 325 Lbs/in. Spring Rate, 1.800 in Installed Height, Chevy, Each
Part Number: MEL-466524
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Valve Springs, Single, 1.340 in. Outside Diameter, 280 lbs./in. Rate, .970 in. Coil Bind Height, Set of 12
Part Number: ISK-7005-12
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Valve Springs, 1200 Series, Single, Beehive, 1.290 in. O.D., Chromoly Steel Retainers, 7 degree Locks, Kit
Part Number: RSC-PAC-KS14
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Valve Springs, Beehive, Single, 1.290 in. O.D., 313 lbs./in. Rate, 1.140 in. Coil Bind Height, Each
Part Number: RSC-PAC-1218
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
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
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Valve Springs, Single, Steel, Natural Finish, 1.259 in. OD, 0.885 in. ID, 1.113 in. Solid Height, 339 Spring Rate, GM, Small Block, Each
Part Number: MEL-466454
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Valve Spring, RPM Series, Beehive, Single, 1.290 in. O.D., 384 lbs/in. Rate, 1.100 in. Coil Bind Height, Each
Part Number: RSC-PAC-1211X
Not Yet Reviewed
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Estimated Ship Date: Monday 3/16/2026 if shipped by air
Valve Springs, Single, 1.260 in. Outside Diameter, 447 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 12
Part Number: CCA-941-12
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Valve Springs, Dual, 1.514 in. Outside Diameter, 348 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: HRS-98656
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Valve Spring, Single, 1.260 in. Outside Diameter, 447 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: CCA-941-1
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Valve Springs, Dual, 1.514 in. Outside Diameter, 348 lb./in. Rate, 1.150 in. Coil Bind Height, Damper, Each
Part Number: HRS-98656-1
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Valve Springs, Valve Spring, Ovate Behive
Part Number: HRS-98110-1
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Valve Spring, Dual, 1.530 in. Outside Diameter, 348 lbs./in. Rate, 1.150 in. Coil Bind Height, Each
Part Number: HRS-98636-1
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
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