PAC Racing 500 Series Valve Spring Retainers

4.0 out of 5 stars 2 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.

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PAC Racing 500 Series Valve Spring Retainers PAC-R532-16

Valve Spring Retainers, 500 Series, Dual, Titanium, 1.300 in. O.D., 8 degree, Set of 16

Part Number: RSC-PAC-R532-16

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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

Valve Spring Retainers, 500 Series, Dual, Titanium, 1.450 in. O.D., 10 degree, Set of 16

Part Number: RSC-PAC-R536-16

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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PAC Racing 500 Series Valve Spring Retainers PAC-R510-16

Beehive 500 Series Retainer - Titanium Retainer. Lock angle: STD 10 degree

Part Number: RSC-PAC-R510-16

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

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PAC Racing 500 Series Valve Spring Retainers PAC-R510

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PAC Racing 500 Series Valve Spring Retainers PAC-R505

Valve Spring Retainer, 500 Series, Dual, Titanium, 1.400 in. O.D., 10 degree, Each

Part Number: RSC-PAC-R505

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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PAC Racing 500 Series Valve Spring Retainers PAC-R510

Valve Spring Retainers, 500 Series, Beehive, Titanium, 0.990 in. Outer Spring O.D., 10 degree Lock, Dual Springs, Each

Part Number: RSC-PAC-R510

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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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: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 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: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R512-16

Beehive 500 Series Retainer - Retainer for Ford (FMOD). Lock angle: 7 degree

Part Number: RSC-PAC-R512-16

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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PAC Racing 500 Series Valve Spring Retainers PAC-R513-16

Beehive 500 Series Retainer - Titanium Retainer. Lock angle: 7 degree

Part Number: RSC-PAC-R513-16

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 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: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R550-16

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

Part Number: RSC-PAC-R550-16

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 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: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R511

Valve Spring Retainers, 500 Series, Beehive, Titanium, 0.990 in. Outer Spring O.D., 7 degree Lock, Single Spring, Fits GM LS Series Valvetrains, Each

Part Number: RSC-PAC-R511

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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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: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 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: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R506

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: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 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: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R515-16

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

Part Number: RSC-PAC-R515-16

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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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: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R511-16

Beehive 500 Series Retainer - Titanium Beehive LS Retainer for PAC-1218 Valve Springs and more. Lock angle

Part Number: RSC-PAC-R511-16

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

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PAC Racing 500 Series Valve Spring Retainers PAC-R511

4 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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PAC Racing 500 Series Valve Spring Retainers PAC-R512

Beehive 500 Series Retainer - Retainer for Ford (FMOD). Lock angle: 7 degree

Part Number: RSC-PAC-R512

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

PAC Racing 500 Series Valve Spring Retainers PAC-R512-16

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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PAC Racing 500 Series Valve Spring Retainers PAC-R513

Beehive 500 Series Retainer - Titanium Retainer. Lock angle: 7 degree

Part Number: RSC-PAC-R513

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R557-16

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

Part Number: RSC-PAC-R557-16

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 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: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 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: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

PAC Racing 500 Series Valve Spring Retainers PAC-R515-16

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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