Availability
Valve Spring Retainers
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: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
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
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Spring Retainers, 300 Series, Steel, 1.035 in. O.D., Single, Beehive, 7 degree, Set of 16
Part Number: RSC-PAC-R363-16
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Spring Retainers, 300 Series, Steel, 1.035 in. O.D., Single, Beehive, 7 degree, Set of 16
Part Number: RSC-PAC-R311-16
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
PAC Racing 400 Series Valve Spring Retainers PAC-R405
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Valve Spring Retainers, 500 Series, Dual, Titanium, 1.365 in. O.D., 10 degree, Set of 16
Part Number: RSC-PAC-R508-16
Valve Spring Retainer, 300 Series, Steel, 1.035 in. O.D., Single, Beehive, 7 degree, Each
Part Number: RSC-PAC-R311
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
Triple Spring 500 Series Retainer - Titanium Retainer for Triple Drag Race Springs. Lock angle: STD 10
Part Number: RSC-PAC-R501-16
Not Yet Reviewed
Estimated Ship Date: Jun 12, 2026 if ordered today
Estimated Ship Date: Jun 12, 2026 if ordered today
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: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Valve Spring Retainer, 500 Series, Dual, Titanium, 1.400 in. O.D., 10 degree, Each
Part Number: RSC-PAC-R505
Not Yet Reviewed
Need It Sooner? We recommend these similar substitute parts:
PAC Racing 500 Series Valve Spring Retainers PAC-R505-16
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Valve Spring Retainer, 500 Series, Dual, Titanium, 1.365 in. O.D., 8 degree, Each
Part Number: RSC-PAC-R509
Not Yet Reviewed
Valve Spring Retainers, Chromoly, 7 Degree Lock Style, 1.076 in. Beehive Spring, Fits 221431 Spring, Set of 16
Part Number: MAN-23612-16
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Spring Retainers, 300 Series, Steel, 1.235 in. O.D., Dual, 7 degree, Set of 16
Part Number: RSC-PAC-R316-16
Not Yet Reviewed
Estimated Ship Date: Jun 10, 2026 if ordered today
Estimated Ship Date: Jun 10, 2026 if ordered 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: Jun 3, 2026 if ordered today
Estimated Ship Date: Jun 3, 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: Tomorrow
Estimated Ship Date: Tomorrow
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
Estimated Ship Date: Jun 12, 2026 if ordered today
Estimated Ship Date: Jun 12, 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: Jun 12, 2026 if ordered today
Estimated Ship Date: Jun 12, 2026 if ordered today
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: Tomorrow
Estimated Ship Date: Tomorrow
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: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 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: Tomorrow
Valve Spring Retainer, 500 Series, Dual, Titanium, 1.365 in. O.D., 10 degree, Each
Part Number: RSC-PAC-R508
Not Yet Reviewed
Valve Spring Retainers, Titanium, 7 Degree Lock, 1.311 in. Outside Diameter, .570 in. Inside Diameter, Set of 16
Part Number: MAN-23625-16
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Valve Spring Retainers, 7 degree, Titanium, Set of 16
Part Number: MAN-23613-16
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
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