PAC Racing Springs Engines & Components

Valve Locks, Machined, Steel, 8 Degree, 1-Groove, 0.342 in. Valve Stem, Pair

Part Number: RSC-PAC-L8036

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S115

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Estimated Ship Date: Apr 17, 2026 if ordered today

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

Part Number: RSC-PAC-L8081

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Estimated Ship Date: Apr 17, 2026 if ordered today

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VALVE LOCKS PAC STEEL

Part Number: RSC-PAC-L8087

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Estimated Ship Date: Apr 17, 2026 if ordered today

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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

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Estimated Ship Date: Apr 17, 2026 if ordered today

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

Part Number: RSC-PAC-L8142

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Steel Valve Locks - Standard 7 degree - Radius Groove - +0.050 Install Height

Part Number: RSC-PAC-L8153

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Steel Valve Locks - Standard 7 degree - Radius Groove - Standard Install Height

Part Number: RSC-PAC-L8154

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Valve Spring Retainer, 300 Series, Steel, 1.235 in. O.D., Dual, 7 degree, Each

Part Number: RSC-PAC-R316

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Valve Spring Retainer, 300 Series, Steel, 0.800 in. O.D., Single, Beehive, 7 degree, Each

Part Number: RSC-PAC-R331

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Beehive 300 Series Retainer - Retainer for Super Stock Only. Lock angle: STD 7 degree

Part Number: RSC-PAC-R333

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Estimated Ship Date: Apr 17, 2026 if ordered today

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VALVE SPRING RETAINER

Part Number: RSC-PACR387

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Valve Spring Locator, Inside Locating Shoulder, Chromoly, 1.350 in. O.D., 0.575 in. I.D., 0.060 in. Thick, Each

Part Number: RSC-PAC-S161

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Estimated Ship Date: Apr 17, 2026 if ordered today

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0.030" Spring Shim 1.040" O.D.

Part Number: RSC-PAC-S183

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S109

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Steel Valve Locks - Standard 7 degree - Radius Groove - +0.050 Install Height

Part Number: RSC-PAC-L8155

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Estimated Ship Date: Apr 16, 2026 if ordered today

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RETAINER CHROME MOLY STEEL

Part Number: RSC-PAC-R390

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Estimated Ship Date: Apr 16, 2026 if ordered today

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SEAT 4140 BLK OXIDE

Part Number: RSC-PAC-S137

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Estimated Ship Date: Apr 17, 2026 if ordered today

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SEAT CHROME MOLY SPRING

Part Number: RSC-PAC-S154

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Estimated Ship Date: Apr 15, 2026 if ordered today

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

Part Number: RSC-PAC-L8066

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Estimated Ship Date: Apr 20, 2026 if ordered today

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SEAT CHROME MOLY SPRING

Part Number: RSC-PAC-S141

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Estimated Ship Date: Apr 17, 2026 if ordered today

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

Part Number: RSC-PAC-L8127

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Estimated Ship Date: Apr 17, 2026 if ordered today

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

Part Number: RSC-PAC-L8138

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Steel Valve Locks - Standard 7 degree - Square Groove - +0.050 Install Height

Part Number: RSC-PAC-L8149

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Estimated Ship Date: Apr 17, 2026 if ordered today

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VALVE LOCKS PAC STEEL

Part Number: RSC-PAC-L8163

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Estimated Ship Date: Apr 17, 2026 if ordered today

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