PAC Racing Springs Camshafts & Valvetrain

Valve Spring Retainers, 300 Series, Dual Spring, 7 Degree, 1.300 in. O.D. Outer, 0.940 in. O.D. Inner, Chromoly Steel, Chevy, LS, Each

Part Number: RSC-PAC-R335

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Estimated Ship Date: Feb 10, 2026 if ordered today

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Dual Spring 400 Series Retainer - +0.050 Sportsman Drag Race/Circle Track Retainer. Lock angle: STD 10

Part Number: RSC-PAC-R405

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Estimated Ship Date: Feb 10, 2026 if ordered today

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Dual Spring 300 Series Retainer - Retainer for PAC-1202 & 1203 Valve Springs. Lock angle: 7 degree

Part Number: RSC-PAC-R334

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Estimated Ship Date: Feb 10, 2026 if ordered today

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

Part Number: RSC-PAC-LR8067

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Estimated Ship Date: Feb 10, 2026 if ordered today

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1.106 OD Ford 4V Drag Dual Spring

Part Number: RSC-PAC-1312

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Estimated Ship Date: Feb 10, 2026 if ordered today

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Valve Spring, 1200 Series Drag Race, Triple, 1.645 in. O.D., 682 lbs./in. Rate, 1.130 in. Coil Bind Height, Each

Part Number: RSC-PAC-1247

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Valve Spring, 1200 Series Drag Race, Triple, 1.645 in. O.D., 689 lbs./in. Rate, 1.130 in. Coil Bind Height, Each

Part Number: RSC-PAC-1246

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Estimated Ship Date: Feb 10, 2026 if ordered today

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

Part Number: RSC-PAC-R502

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Estimated Ship Date: Feb 10, 2026 if ordered today

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Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S114

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Estimated Ship Date: Feb 10, 2026 if ordered today

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

Part Number: RSC-PAC-L8151

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Dual Spring 600 Series Retainer - Tool Steel Retainer for all 1.050 ID Dual Springs. Lock angle: STD 10 degre

Part Number: RSC-PAC-R608

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Estimated Ship Date: Feb 10, 2026 if ordered today

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Dual Spring 600 Series Retainer - Light Weight Steel Version of PAC-R335 LS RPM Dual Spring. Lock angle: LS

Part Number: RSC-PAC-R635

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Estimated Ship Date: Feb 10, 2026 if ordered today

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

Part Number: RSC-PAC-L8080

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SINGLE SPRING

Part Number: RSC-PAC-1231X

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

Part Number: RSC-PAC-L8037

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Valve Spring Locator, Inside Locating Shoulder, Chromoly, 0.700 in. Inner Spring, 1.550 in. O.D., 0.575 in. I.D., 0.060 in. Thick, Set of 16

Part Number: RSC-PAC-S105-16

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Estimated Ship Date: Feb 10, 2026 if ordered today

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Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S130-16

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Estimated Ship Date: Feb 10, 2026 if ordered today

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Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S115-16

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Estimated Ship Date: Feb 10, 2026 if ordered today

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Valve Spring Locator, Inside Locating Shoulder, Chromoly, 1.285 in. O.D., 0.575 in. I.D., 0.060 in. Thick, Set of 16

Part Number: RSC-PAC-S159-16

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Estimated Ship Date: Feb 10, 2026 if ordered today

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

Part Number: RSC-PAC-L8066-16

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Estimated Ship Date: Feb 10, 2026 if ordered today

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Dual Spring 300 Series Retainer - Retainer for PAC-1222X LS Spring. Lock angle: LS 7 degree

Part Number: RSC-PAC-R355-16

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Estimated Ship Date: Today

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

Part Number: RSC-PAC-L8149-16

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Estimated Ship Date: Jan 16, 2026 if ordered today

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VALVE LOCKS PAC STEEL

Part Number: RSC-PAC-L8163-16

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RETAINER CHROME MOLY STEEL

Part Number: RSC-PAC-R394-16

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Estimated Ship Date: Feb 10, 2026 if ordered today

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

Part Number: RSC-PAC-L8128-16

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Estimated Ship Date: Feb 10, 2026 if ordered today

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