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PAC Racing Springs Parts and Accessories

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PAC Racing 500 Series Valve Spring Retainers PAC-R536

PAC Racing 500 Series Valve Spring Retainers PAC-R536

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: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

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

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

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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PAC Racing 500 Series Valve Spring Retainers PAC-R537

PAC Racing 500 Series Valve Spring Retainers PAC-R537

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: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R538

PAC Racing 500 Series Valve Spring Retainers PAC-R538

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: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

PAC Racing Springs Valve Springs PAC-R539-16

PAC Racing Springs Valve Springs PAC-R539-16

PAC Racing Springs Valve Springs PAC-R539-16

Spring

Part Number: RSC-PAC-R539-16

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R540

PAC Racing 500 Series Valve Spring Retainers PAC-R540

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: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R541

PAC Racing 500 Series Valve Spring Retainers PAC-R541

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: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R544

PAC Racing 500 Series Valve Spring Retainers PAC-R544

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: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

PAC Racing 500 Series Valve Spring Retainers PAC-R551

PAC Racing 500 Series Valve Spring Retainers PAC-R551

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: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

PAC Racing Springs Valve Spring Retainers PAC-R552

PAC Racing Springs Valve Spring Retainers PAC-R552

PAC Racing Springs Valve Spring Retainers PAC-R552

Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1371& 1575 Dual Valve Springs. Lock angle: mini

Part Number: RSC-PAC-R552

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

PAC Racing Valve Spring Shims PAC-S183

PAC Racing Valve Spring Shims PAC-S183

PAC Racing Valve Spring Shims PAC-S183

0.030" Spring Shim 1.040" O.D.

Part Number: RSC-PAC-S183

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

PAC Racing Springs Valve Spring Retainers PAC-R556

PAC Racing Springs Valve Spring Retainers PAC-R556

PAC Racing Springs Valve Spring Retainers PAC-R556

Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1225, 1325, 1243 & 1561 Dual Valve Springs. Lock

Part Number: RSC-PAC-R556

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

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

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

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: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

PAC Racing Springs Valve Springs PAC-R565LT

PAC Racing Springs Valve Springs PAC-R565LT

PAC Racing Springs Valve Springs PAC-R565LT

Spring

Part Number: RSC-PAC-R565LT

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

PAC Racing 600 Series Valve Spring Retainers PAC-R606

PAC Racing 600 Series Valve Spring Retainers PAC-R606

PAC Racing 600 Series Valve Spring Retainers PAC-R606

Dual Spring 600 Series Retainers - Tool Steel Retainer for PAC-1226 & 1326 Dual Valve Springs. Lock angle: S

Part Number: RSC-PAC-R606

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

PAC Racing Valve Spring Seats and Cups PAC-S107

PAC Racing Valve Spring Seats and Cups PAC-S107

PAC Racing Valve Spring Seats and Cups PAC-S107

Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S107

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

PAC Racing Valve Spring Seats and Cups PAC-S107-16

PAC Racing Valve Spring Seats and Cups PAC-S107-16

PAC Racing Valve Spring Seats and Cups PAC-S107-16

Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S107-16

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

PAC Racing Valve Spring Seats and Cups PAC-S108

PAC Racing Valve Spring Seats and Cups PAC-S108

PAC Racing Valve Spring Seats and Cups PAC-S108

Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S108

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

PAC Racing Valve Spring Seats and Cups PAC-S108-16

PAC Racing Valve Spring Seats and Cups PAC-S108-16

PAC Racing Valve Spring Seats and Cups PAC-S108-16

Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S108-16

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

PAC Racing Valve Spring Seats and Cups PAC-S115

PAC Racing Valve Spring Seats and Cups PAC-S115

PAC Racing Valve Spring Seats and Cups PAC-S115

Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S115

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

PAC Racing Valve Spring Seats and Cups PAC-S121

PAC Racing Valve Spring Seats and Cups PAC-S121

PAC Racing Valve Spring Seats and Cups PAC-S121

Valve Spring Locator, Inside Locating Shoulder, Chromoly, 1.270 in. O.D., 0.520 in. I.D., 0.060 in. Thick, Each

Part Number: RSC-PAC-S121

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

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PAC Racing Valve Spring Seats and Cups PAC-S121-16

PAC Racing Valve Spring Seats and Cups PAC-S121-16

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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PAC Racing Springs Valve Spring Locators PAC-S122

PAC Racing Springs Valve Spring Locators PAC-S122

PAC Racing Springs Valve Spring Locators PAC-S122

Steel Seats - for Pacaloy Retainers

Part Number: RSC-PAC-S122

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

PAC Racing Valve Spring Seats and Cups PAC-S123-16

PAC Racing Valve Spring Seats and Cups PAC-S123-16

PAC Racing Valve Spring Seats and Cups PAC-S123-16

Steel Seats - for Pacaloy Retainers

Part Number: RSC-PAC-S123-16

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

PAC Racing Valve Spring Seats and Cups PAC-S123

PAC Racing Valve Spring Seats and Cups PAC-S123

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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PAC Racing Springs Valve Spring Locators PAC-S124

PAC Racing Springs Valve Spring Locators PAC-S124

PAC Racing Springs Valve Spring Locators PAC-S124

Steel Seats - for Pacaloy Retainers

Part Number: RSC-PAC-S124

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

PAC Racing Springs Valve Spring Locators PAC-S124-16

PAC Racing Springs Valve Spring Locators PAC-S124-16

PAC Racing Springs Valve Spring Locators PAC-S124-16

Steel Seats - for Pacaloy Retainers

Part Number: RSC-PAC-S124-16

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

PAC Racing Springs Valve Spring Locators PAC-S125

PAC Racing Springs Valve Spring Locators PAC-S125

PAC Racing Springs Valve Spring Locators PAC-S125

Chrome Moly

Part Number: RSC-PAC-S125

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

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