PAC Racing Springs Engines & Components

Valve Spring, 1200 Series, Dual, 1.310 in. Outside Diameter, 520 lb/in., 0.665 in Inside Diameter, Set of 16

Part Number: RSC-PAC-1236X-16

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Estimated Ship Date: Mar 27, 2026 if ordered today

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Valve Springs, RPM Series, Dual, 1.324 in. O.D., 460 lbs./in. Rate, 1.000 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1208X-16

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Estimated Ship Date: Apr 7, 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: Mar 16, 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: Mar 30, 2026 if ordered today

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Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S112

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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: Today

Valve Spring, 1300 Series Drag Race, Triple, 1.645 in. Outside Diameter, 689 lb/in., 0.635 in Inside Diameter, Each

Part Number: RSC-PAC-1350

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Estimated Ship Date: Mar 18, 2026 if ordered today

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Valve Spring, 1200 Series, Dual, 1.274 in. Outside Diameter, 550 lb/in., 0.630 in Inside Diameter, Each

Part Number: RSC-PAC-1237X

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Estimated Ship Date: Today

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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Valve Spring, 1200 Series Circle Track, Dual, 1.550 in. O.D., 526 lbs./in. Rate, 1.200 in. Coil Bind Height, Each

Part Number: RSC-PAC-1245

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Estimated Ship Date: Today

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

Part Number: RSC-PAC-L8005

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Estimated Ship Date: Apr 8, 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: Apr 3, 2026 if ordered today

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Valve Spring Retainers, 400 Series, Dual, Titanium, 1.300 in. O.D., 7 degree, Set of 16

Part Number: RSC-PAC-R435-16

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Estimated Ship Date: Apr 8, 2026 if ordered today

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

Part Number: RSC-PAC-L8131-16

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Valve Spring, RPM Series, Dual, 1.274 in. Outside Diameter, 600 lb/in., 0.630 in Inside Diameter, Each

Part Number: RSC-PAC-1238X

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Estimated Ship Date: Apr 8, 2026 if ordered today

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Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S102-16

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S104-16

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S121-16

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Estimated Ship Date: Mar 30, 2026 if ordered today

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

Part Number: RSC-PAC-L8152-16

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Estimated Ship Date: Mar 30, 2026 if ordered today

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VALVE SPRING SET

Part Number: RSC-PAC-R364-16

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Valve Locks, 8 Degree, 8mm Stem, Steel, - 0.050 in. Installed Height, Set of 16 Pairs

Part Number: RSC-PAC-L8143-16

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Estimated Ship Date: Apr 3, 2026 if ordered today

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

Part Number: RSC-PAC-L8064

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Estimated Ship Date: Apr 3, 2026 if ordered today

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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: Apr 3, 2026 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: Apr 3, 2026 if ordered today

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VALVE SPRING

Part Number: RSC-PAC-R378

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Estimated Ship Date: Apr 3, 2026 if ordered today

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