PAC Racing Springs Engines & Components

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: May 6, 2026 if ordered today

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SPRING SEAT

Part Number: RSC-PAC-S105X

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Estimated Ship Date: May 6, 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: May 6, 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: May 6, 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: May 6, 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

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Estimated Ship Date: May 6, 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: May 6, 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: May 6, 2026 if ordered today

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Triple Spring 400 Series Retainer - +0.050 Sportman Triple Spring Drag Race Retainer. Lock angle: STD 8 degre

Part Number: RSC-PAC-R402

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Estimated Ship Date: May 6, 2026 if ordered today

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

Part Number: RSC-PAC-R515

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Estimated Ship Date: May 6, 2026 if ordered today

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

Part Number: RSC-PAC-R552

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Estimated Ship Date: May 6, 2026 if ordered today

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Valve Spring, 1300 Series, Dual, 1.570 in. Outside Diameter, 743 lb/in., 0.780 in Inside Diameter, Each

Part Number: RSC-PAC-1344

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Estimated Ship Date: May 6, 2026 if ordered today

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Valve Lock

Part Number: RSC-PAC-L8015

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Estimated Ship Date: May 6, 2026 if ordered today

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

Part Number: RSC-PAC-L8017

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Estimated Ship Date: May 6, 2026 if ordered today

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Solid Stop Retainer - Heavy Duty Top for abusive Top Alcohol Engines. Triple Valve Spring Retainer. Feature

Part Number: RSC-PAC-R523-16

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Estimated Ship Date: May 11, 2026 if ordered today

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Steel Seats - .030 thick

Part Number: RSC-PAC-S132

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Estimated Ship Date: May 12, 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: May 12, 2026 if ordered today

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