Availability
Valve Spring Retainers
Valve Spring Retainers, 300 Series, Steel, 1.035 in. O.D., Single, Beehive, 10 degree, Set of 16
Part Number: RSC-PAC-R310-16
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Retainers, 400 Series, Tall, Titanium, 1.480 in. Outer Spring O.D., 10 degree Lock, Dual Springs, +0.050 in. Installed Height, Set of 16
Part Number: RSC-PAC-R404-16
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
Valve Spring Retainers, 400 Series, Tall, Titanium, 1.450 in. Outer Spring O.D., 10 degree Lock, Dual Springs, +0.050 in. Installed Height, Set of 16
Part Number: RSC-PAC-R405-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Retainers, 400 Series, Titanium, 1.480 in. O.D., Tall, Triple, 10 degree, Set of 16
Part Number: RSC-PAC-R401-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Retainers, Steel, 7 Degree, 1.500 in. Outside Diameter, .690 in. Inside Diameter, Set of 16
Part Number: CCA-780-16
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Retainers, Steel, 10 Degree, 1.185 in. Outside Diameter, .466 in. Inside Diameter, Set of 16
Part Number: CCA-703-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Retainers, 500 Series, Dual, Titanium, 1.365 in. O.D., 10 degree, Set of 16
Part Number: RSC-PAC-R508-16
Need It Sooner? We recommend these similar substitute parts:
Dual Spring 600 Series Retainer - Tool Steel Retainer for PAC-1530 & 1335 Dual Valve Springs. Lock angle: mi
Part Number: RSC-PAC-R632-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Retainers, 7 degree, Tall Style, Titanium, Set of 16
Part Number: MAN-23677-16
Not Yet Reviewed
Estimated Ship Date: Mar 13, 2026 if ordered today
Estimated Ship Date: Mar 13, 2026 if ordered today
Valve Spring Retainers, 500 Series, Dual, Titanium, 1.400 in. O.D., 10 degree, Set of 16
Part Number: RSC-PAC-R505-16
Not Yet Reviewed
Valve Spring Retainers, 300 Series, Steel, 1.035 in. O.D., Single, Beehive, 7 degree, Set of 16
Part Number: RSC-PAC-R363-16
Valve Spring Retainer, 500 Series, Dual, Titanium, 1.400 in. O.D., 10 degree, Each
Part Number: RSC-PAC-R505
Not Yet Reviewed
Valve Spring Retainers, 500 Series, Titanium, 1.475 in. Outer Spring O.D., 10 degree Lock, Triple Springs, Each
Part Number: RSC-PAC-R501
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Valve Spring Retainer, 300 Series, Steel, 1.035 in. O.D., Single, Beehive, 10 degree, Each
Part Number: RSC-PAC-R310
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Retainer Kit
Part Number: PIO-817107
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Valve Spring Retainers, 500 Series, Titanium, 1.400 in. Outer Spring O.D., 10 degree Lock, Dual Springs, Each
Part Number: RSC-PAC-R506
Not Yet Reviewed
Estimated Ship Date: Mar 20, 2026 if ordered today
Estimated Ship Date: Mar 20, 2026 if ordered today
Dual Spring 400 Series Retainer - +0.050 Sportsman Drag Race/Circle Track Retainer. Lock angle: STD 10
Part Number: RSC-PAC-R405
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
PAC Racing 400 Series Valve Spring Retainers PAC-R405-16
Not Yet Reviewed
Estimated Ship Date: Today
Valve Spring Retainers, 500 Series, Titanium, 1.400 in. Outer Spring O.D., 10 degree Lock, Dual Springs, Set of 16
Part Number: RSC-PAC-R506-16
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Valve Spring Retainers, 500 Series, Dual, Titanium, 1.365 in. O.D., 8 degree, Set of 16
Part Number: RSC-PAC-R509-16
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Valve Spring Retainer, 300 Series, Steel, 1.035 in. O.D., Single, Beehive, 7 degree, Each
Part Number: RSC-PAC-R363
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Valve Spring Retainers, Titanium, 7 Degree Lock, 1.677 in. Outside Diameter, .860 in. Inside Diameter, Set of 16
Part Number: MAN-23673-16
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Valve Spring Retainers, Chromoly Steel, 7 Degree, 1.440 in. O.D., .700 in. I.D., Set of 16
Part Number: HPC-8603-16
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
Dual Spring 600 Series Retainer - Tool Steel Retainer for PAC-1530 & 1335 Dual Valve Springs. Lock angle: mi
Part Number: RSC-PAC-R632
Not Yet Reviewed
Estimated Ship Date: Mar 20, 2026 if ordered today
Estimated Ship Date: Mar 20, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
PAC Racing 600 Series Valve Spring Retainers PAC-R632-16
Not Yet Reviewed
Estimated Ship Date: Today
Valve Spring Retainers, 400 Series, Tall, Titanium, 1.480 in. Outer Spring O.D., 10 degree Lock Style, Dual Springs, +0.050 in. Installed Height, Each
Part Number: RSC-PAC-R404
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
PAC Racing 400 Series Valve Spring Retainers PAC-R404-16
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026
Valve Spring Retainers, 500 Series, Dual, Titanium, 1.475 in. O.D., 10 degree, Set of 16
Part Number: RSC-PAC-R504-16
Not Yet Reviewed
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