PAC Racing Springs Parts and Accessories

Valve Spring Locator, Seat and Cup for Dual Springs, Inside Locating Shoulder Type, 1.550 in. O.D., 0.855 in./0.635 in. Dia. Steps, Chromoly, Each

Part Number: RSC-PAC-S102

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Steel Spring Seats 0.030 thick for RPM Dual Springs

Part Number: RSC-PAC-S136

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Estimated Ship Date: Jan 21, 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: Jan 21, 2026 if ordered today

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

Part Number: RSC-PAC-L8073

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Estimated Ship Date: Jan 21, 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: Jan 21, 2026 if ordered today

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

Part Number: RSC-PAC-L8075

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Estimated Ship Date: Jan 21, 2026 if ordered today

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

Part Number: RSC-PAC-R346

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Dual Spring 400 Series Retainer - Titanium Retainer for PAC-1222X Valve Spring. Lock angle: LS 7 degree

Part Number: RSC-PAC-R455

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SPRING SHIM SET

Part Number: RSC-PAC-S196-100

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Estimated Ship Date: Dec 23, 2025 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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Dual Spring 500 Series Retainer - Titanium Retainer for LS Dual Valve Springs PAC-1221 & 1521. Lock angle: L

Part Number: RSC-PAC-R516

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Shims - 1.500 - 0.015 thick

Part Number: RSC-PAC-S195

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Valve Springs, Beehive, Single, 1.061 in. O.D., 275 lbs./in. Rate, 1.400 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1214-16

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Estimated Ship Date: Jan 21, 2026 if ordered today

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

Part Number: RSC-PAC-LR8025

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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: Jan 21, 2026 if ordered today

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Valve Spring, 1200 Series Circle Track, Single, 1.260 in. O.D., 540 lbs./in. Rate, 1.115 in. Coil Bind Height, Each

Part Number: RSC-PAC-1201X

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Estimated Ship Date: Jan 21, 2026 if ordered today

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

Part Number: RSC-PAC-L8047-16

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Estimated Ship Date: Jan 21, 2026 if ordered today

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

Part Number: RSC-PAC-L8090-16

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Estimated Ship Date: Jan 21, 2026 if ordered today

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

Part Number: RSC-PAC-L8091-16

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Estimated Ship Date: Jan 21, 2026 if ordered today

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SPRING SHIM SET

Part Number: RSC-PAC-S187-16

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Estimated Ship Date: Dec 1, 2025 if ordered today

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VALVE LOCKS PAC Ti

Part Number: RSC-PAC-L8124

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Titanium Valve Locks - Mini 8 degree - Radius Groove - Standard Install Height

Part Number: RSC-PAC-L8121-16

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Titanium Valve Locks - Standard 10 degree - Radius Groove - Standard Installed Height

Part Number: RSC-PAC-L8048-16

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Estimated Ship Date: Nov 28, 2025 if ordered today

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

Part Number: RSC-PAC-L8005-16

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Beehive 600 Series Retainer - Ultra Light Weight Steel for Super Stock PAC-1409X Valve Spring. Lock angle: 7

Part Number: RSC-PAC-R633

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Estimated Ship Date: Jan 21, 2026 if ordered today

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