PAC Racing 500 Series Valve Spring Retainers

4.33 out of 5 stars 3 Customer Reviews

PAC Racing 500 Series valve spring retainers are every bit as reliable as retainers 20 percent heavier. These retainers are produced from the finest proprietary high-tensile titanium alloy for incredible wear and strength. PAC's engineers take this material and form the ultimate lightweight retainers. They are designed for high-rpm professional racing and abusive or severe engine applications. When you're building severe engines, you need parts designed to withstand incredible heat and rpm. PAC Racing 500 Series valve spring retainers are built to take all that you can give.

Showing In Stock Items. Show All 24 Items.

Results 1 - 19 of 19

PAC Racing 500 Series Valve Spring Retainers PAC-R522

Valve Spring Retainer, 500 Series, Triple, Titanium, 1.480 in. O.D., 10 degree, Each

Part Number: RSC-PAC-R522

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R557

Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1341 Valve Spring. Lock angle: STD 8 degree

Part Number: RSC-PAC-R557

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R516

Dual Spring 500 Series Retainer - Titanium Retainer for LS Dual Valve Springs PAC-1221 & 1521. Lock angle: L

Part Number: RSC-PAC-R516

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R502

Triple Spring 500 Series Retainer - Titanium Retainer for Triple Drag Race Springs. Lock angle: STD 8

Part Number: RSC-PAC-R502

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R519

Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1385 & 1395 Dual Valve Springs. Lock angle: STD

Part Number: RSC-PAC-R519

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R504

Dual Spring 500 Series Retainer - Titanium Retainer for 1.175 Series Dual Springs. Lock angle: STD 10

Part Number: RSC-PAC-R504

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R565

Triple Spring 500 Series Retainer - Titanium Retainer for Large OD Retainer for Large Triple Spring, for bette

Part Number: RSC-PAC-R565

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R509

Valve Spring Retainer, 500 Series, Dual, Titanium, 1.365 in. O.D., 8 degree, Each

Part Number: RSC-PAC-R509

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 3, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R514

Dual Spring 500 Series Retainer - Titanium Retainerfor PAC-1385 & 1395 Dual Valve Springs. Lock angle: STD 10

Part Number: RSC-PAC-R514

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R515

Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1227, 1239, 1254, 1297 & 1509 Dual Valve Springs.

Part Number: RSC-PAC-R515

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R536

Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1245 & 1289 Dual Valve Springs. Lock angle: STD 1

Part Number: RSC-PAC-R536

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

PAC Racing 500 Series Valve Spring Retainers PAC-R536-16

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

PAC Racing 500 Series Valve Spring Retainers PAC-R537

Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1342, 1386 & 1396 Dual Valve Springs. Lock angle

Part Number: RSC-PAC-R537

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R538

Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1342, 1386 & 1396 Dual Valve Springs. Lock angle

Part Number: RSC-PAC-R538

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R540

Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1240, 1340 & 1540 Dual Valve Springs. Lock angle

Part Number: RSC-PAC-R540

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R541

Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1226 & 1326 Dual Valve Springs. Lock angle: STD

Part Number: RSC-PAC-R541

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R544

Dual Spring 500 Series Retainer - Titanium Retainer for all 1.050 ID Dual Valve Springs. Lock angle: mini 8

Part Number: RSC-PAC-R544

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R550

Dual Spring 500 Series Retainer - Titanium Retainer for RPM Sereis Dual Valve Springs. Lock angle: mini 8 de

Part Number: RSC-PAC-R550

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R551

Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1244 Dual Valve Spring. Lock angle: STD 8 degree

Part Number: RSC-PAC-R551

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R532

Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1530 & 1335 Dual Valve Springs. Lock angle: mini

Part Number: RSC-PAC-R532

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

Page 1 of 1