PAC Racing Springs Camshafts & Valvetrain

Valve Spring Retainers, 500 Series, Beehive, Titanium, 0.990 in. Outer Spring O.D., 10 degree Lock, Dual Springs, Each

Part Number: RSC-PAC-R510

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Valve Springs, Beehive, Single, 1.210 in. O.D., 358 lbs./in. Rate, 1.130 in. Coil Bind Height, Each

Part Number: RSC-PAC-1235

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Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S101-16

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Estimated Ship Date: Dec 2, 2025 if ordered today

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

Part Number: RSC-PAC-L8134-16

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Estimated Ship Date: Dec 2, 2025 if ordered today

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VALVE SPRING SET

Part Number: RSC-PAC-R364-16

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Valve Spring Retainers, 300 Series, Steel, 0.800 in. O.D., Single, Beehive, 7 degree, Set of 16

Part Number: RSC-PAC-R331-16

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Shims - 1.620 - 0.020 thick

Part Number: RSC-PAC-S198

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Valve Spring, 1200 Series Drag Race, Dual, 1.625 in. O.D., 629 lbs./in. Rate, 1.100 in. Coil Bind Height, Each

Part Number: RSC-PAC-1228

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Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1341 Valve Spring. Lock angle: STD 8 degree

Part Number: RSC-PAC-R557

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1574 Dual Spring. Lock angle: STD 8

Part Number: RSC-PAC-R553

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Estimated Ship Date: Dec 2, 2025 if ordered today

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

Part Number: RSC-PAC-LR8065

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Valve Springs, 1200 Series, Single, 1.405 in. O.D., 283 lbs./in. Rate, 1.060 in. Coil Bind Height, Each

Part Number: RSC-PAC-1286

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Valve Springs, 1900 Series Hot Rod, Dual, 1.540 in. O.D., 492 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1901-16

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Estimated Ship Date: Dec 2, 2025 if ordered today

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VALVE LOCKS PAC STEEL

Part Number: RSC-PAC-L8143

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Estimated Ship Date: Dec 1, 2025 if ordered today

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VALVE SPRING RETAINING KIT

Part Number: RSC-PAC-KS45

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Estimated Ship Date: Dec 1, 2025 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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Shims - 1.500 - 0.030 thick

Part Number: RSC-PAC-S193

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Valve Springs, Beehive, Single, 1.290 in. O.D., 313 lbs./in. Rate, 1.140 in. Coil Bind Height, Each

Part Number: RSC-PAC-1215

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

Part Number: RSC-PAC-L8130-16

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Shims - 1.620 - 0.030 thick

Part Number: RSC-PAC-S197

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Estimated Ship Date: Dec 2, 2025 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: Dec 2, 2025 if ordered today

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Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S116-16

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Valve Spring, 1200 Series, Dual, 1.244 in. Outside Diameter, 540 lb/in Rate, 0.624 in. Inside Diameter, Each

Part Number: RSC-PAC-1202

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S128

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Estimated Ship Date: Today