$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

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PAC Racing Springs Engines & Components

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Results 126 - 150 of 173

PAC Racing Valve Locks PAC-LR8066

PAC Racing Valve Locks PAC-LR8066

PAC Racing Valve Locks PAC-LR8066

Recessed Steel Valve Locks - Standard 10 degree - Square Groove - +0.050 Install Height

Part Number: RSC-PAC-LR8066

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

PAC Racing Springs Valve Locks PAC-LR8068

PAC Racing Springs Valve Locks PAC-LR8068

PAC Racing Springs Valve Locks PAC-LR8068

VALVE LOCKS PAC STEEL

Part Number: RSC-PAC-LR8068

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

PAC Racing Springs Valve Spring Retainers PAC-R379

PAC Racing Springs Valve Spring Retainers PAC-R379

PAC Racing Springs Valve Spring Retainers PAC-R379

RETAINER CHROME MOLY STEEL

Part Number: RSC-PAC-R379

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

PAC Racing Springs Valve Spring Retainers PAC-R380

PAC Racing Springs Valve Spring Retainers PAC-R380

PAC Racing Springs Valve Spring Retainers PAC-R380

RETAINER CHROME MOLY STEEL

Part Number: RSC-PAC-R380

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

PAC Racing Springs Valve Spring Retainers PAC-R381

PAC Racing Springs Valve Spring Retainers PAC-R381

PAC Racing Springs Valve Spring Retainers PAC-R381

RETAINER CHROME MOLY STEEL

Part Number: RSC-PAC-R381

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

PAC Racing Springs Valve Spring Retainers PAC-R384

PAC Racing Springs Valve Spring Retainers PAC-R384

PAC Racing Springs Valve Spring Retainers PAC-R384

RETAINER CHROME MOLY STEEL

Part Number: RSC-PAC-R384

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

PAC Racing Springs Valve Spring Retainers PAC-R385

PAC Racing Springs Valve Spring Retainers PAC-R385

PAC Racing Springs Valve Spring Retainers PAC-R385

RETAINER CHROME MOLY STEEL

Part Number: RSC-PAC-R385

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

PAC Racing Springs Valve Spring Retainers PAC-R386

PAC Racing Springs Valve Spring Retainers PAC-R386

PAC Racing Springs Valve Spring Retainers PAC-R386

RETAINER CHROME MOLY STEEL

Part Number: RSC-PAC-R386

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

PAC Racing Springs Valve Spring Retainers PAC-R388

PAC Racing Springs Valve Spring Retainers PAC-R388

PAC Racing Springs Valve Spring Retainers PAC-R388

RETAINER CHROME MOLY STEEL

Part Number: RSC-PAC-R388

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

PAC Racing Springs Valve Spring Retainers PAC-R389

PAC Racing Springs Valve Spring Retainers PAC-R389

PAC Racing Springs Valve Spring Retainers PAC-R389

SINGLE RETAINER

Part Number: RSC-PAC-R389

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

PAC Racing Springs Valve Spring Retainers PAC-R390

PAC Racing Springs Valve Spring Retainers PAC-R390

PAC Racing Springs Valve Spring Retainers PAC-R390

RETAINER CHROME MOLY STEEL

Part Number: RSC-PAC-R390

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 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: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 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: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

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: Today

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PAC Racing Springs Valve Spring Retainers PAC-R387

PAC Racing Springs Valve Spring Retainers PAC-R387

PAC Racing Springs Valve Spring Retainers PAC-R387

VALVE SPRING RETAINER

Part Number: RSC-PACR387

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 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: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 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: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

PAC Racing Valve Locks PAC-L8076

PAC Racing Valve Locks PAC-L8076

PAC Racing Valve Locks PAC-L8076

Steel Valve Locks - Standard 8 degree - Radius Groove - +0.050 Install Height

Part Number: RSC-PAC-L8076

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

PAC Racing Valve Locks PAC-L8084

PAC Racing Valve Locks PAC-L8084

PAC Racing Valve Locks PAC-L8084

Steel Valve Locks - Standard 8 degree - Radius Groove - Standard Install Height

Part Number: RSC-PAC-L8084

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

PAC Racing Valve Locks PAC-L8085

PAC Racing Valve Locks PAC-L8085

PAC Racing Valve Locks PAC-L8085

Steel Valve Locks - Standard 8 degree - Radius Groove - +0.050 Install Height

Part Number: RSC-PAC-L8085

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

PAC Racing Valve Locks PAC-L8127

PAC Racing Valve Locks PAC-L8127

PAC Racing Valve Locks PAC-L8127

Steel Valve Locks - Mini 8 degree - Square Groove - Standard Install Height

Part Number: RSC-PAC-L8127

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

PAC Racing Valve Locks PAC-L8128

PAC Racing Valve Locks PAC-L8128

PAC Racing Valve Locks PAC-L8128

Steel Valve Locks - Mini 8 degree - Square Groove - +0.050 Install Height

Part Number: RSC-PAC-L8128

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

PAC Racing Valve Locks PAC-L8138

PAC Racing Valve Locks PAC-L8138

PAC Racing Valve Locks PAC-L8138

Steel Valve Locks - Mini 8 degree - Square Groove - +0.050 Install Height

Part Number: RSC-PAC-L8138

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

PAC Racing Valve Locks PAC-L8142

PAC Racing Valve Locks PAC-L8142

PAC Racing Valve Locks PAC-L8142

Steel Valve Locks - Mini 8 degree - Radius Groove - +0.050 Install Height

Part Number: RSC-PAC-L8142

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

PAC Racing Hot Rod Series Valve Springs PAC-1921

PAC Racing Hot Rod Series Valve Springs PAC-1921

PAC Racing Hot Rod Series Valve Springs PAC-1921

Valve Spring, Hot Rod Series, Single, 1.460 in. O.D., 307 lbs./in. Rate, 1.145 in. Coil Bind Height, Each

Part Number: RSC-PAC-1921

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

PAC Racing Valve Locks PAC-L8064

PAC Racing Valve Locks PAC-L8064

PAC Racing Valve Locks PAC-L8064

Steel Valve Locks - Standard 10 degree - Square Groove - Standard Install Height

Part Number: RSC-PAC-L8064

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

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Summit Racing Equipment SpeedCard

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