PAC Racing Springs Camshafts & Valvetrain

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: Oct 20, 2025 if ordered today

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VALVE LOCKS PAC STEEL

Part Number: RSC-PAC-L8144-16

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Estimated Ship Date: Monday 9/15/2025

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: Oct 20, 2025 if ordered today

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

Part Number: RSC-PAC-L8147-16

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Valve Locks, 10 degree, Square Groove-style, Machined, Steel, 1-groove, 0.344 in. Stem Diameter, 0.050 in. Installed Height, Pair

Part Number: RSC-PAC-L8027

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Estimated Ship Date: Monday 9/15/2025

Valve Spring, 1300 Series, Dual, 1.500 in. Outside Diameter, 467 lb/in., 0.790 in Inside Diameter, Set of 16

Part Number: RSC-PAC-1340-16

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Estimated Ship Date: Oct 20, 2025 if ordered today

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VALVE SPRINGS

Part Number: RSC-PAC-1321-16

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Valve Locks, 10 degree, Square Groove-style, Machined, Steel, 1-groove, 0.344 in. Stem Diameter, Pair

Part Number: RSC-PAC-L8025

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Estimated Ship Date: Monday 9/15/2025

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

Part Number: RSC-PAC-L8018

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Estimated Ship Date: Monday 9/15/2025

Dual Spring 600 Series Retainer - Tool Steel Retainer for PAC-1530 & 1335 Dual Valve Springs. Lock angle: mi

Part Number: RSC-PAC-R632

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Shims - 1.620 - 0.020 thick

Part Number: RSC-PAC-S198

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Estimated Ship Date: Monday 9/15/2025

Valve Locks, 8 degree, Square Groove-style, Machined, Steel, 1-groove, 0.344 in. Stem Diameter, Pair

Part Number: RSC-PAC-L8145

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Valve Springs, 1900 Series Hot Rod, Single, 1.540 in. O.D, 311 lbs./in. Rate, 1.200 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1933-16

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S120

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

Valve Spring Retainers, 400 Series, Tall, Titanium, 1.480 in. Outer Spring O.D., 10 degree Lock Style, Dual Springs, +0.050 in. Installed Height, Each

Part Number: RSC-PAC-R404

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Titanium Valve Locks, Standard 10 degree, Radius Groove. -.050 Installed Height, Pair

Part Number: RSC-PAC-L8046

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Estimated Ship Date: Oct 20, 2025 if ordered today

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RETAINER CHROME MOLY STEEL

Part Number: RSC-PAC-R377

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Estimated Ship Date: Oct 20, 2025 if ordered today

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VALVE SPRING

Part Number: RSC-PAC-R378

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Estimated Ship Date: Oct 20, 2025 if ordered today

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SINGLE RETAINER

Part Number: RSC-PAC-R374

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Estimated Ship Date: Monday 9/15/2025

Valve Spring Retainer, 300 Series, Steel, 1.035 in. O.D., Single, Beehive, 7 degree, Each

Part Number: RSC-PAC-R363

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Estimated Ship Date: Monday 9/15/2025

Shims - 1.620 - 0.015 thick

Part Number: RSC-PAC-S199

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Valve Springs, 1300 Series, Dual, 1.625 in. O.D., 629 lbs./in. Rate, 1.100 in. Coil Bind Height, Each

Part Number: RSC-PAC-1328

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

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-1249

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Estimated Ship Date: Monday 9/15/2025

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

Part Number: RSC-PAC-R502-16

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Dual Spring 500 Series Retainer - Titanium Retainer for RPM Sereis Dual Valve Springs. Lock angle: mini 8 de

Part Number: RSC-PAC-R550-16

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Estimated Ship Date: Oct 20, 2025 if ordered today

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