PAC Racing Springs Engines & Components

1.106 OD Ford 4V Drag Dual Spring

Part Number: RSC-PAC-1312

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Estimated Ship Date: Apr 3, 2026 if ordered today

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Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S128

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Recessed Steel Valve Locks - Standard 10 degree - Radius Groove - +0.050 Install Height

Part Number: RSC-PAC-LR8067

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Estimated Ship Date: Apr 3, 2026 if ordered today

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Dual Spring 300 Series Retainer - Retainer for PAC-1202 & 1203 Valve Springs. Lock angle: 7 degree

Part Number: RSC-PAC-R334

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Estimated Ship Date: Apr 3, 2026 if ordered today

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Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S130

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

Part Number: RSC-PAC-L8037

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Valve Spring, 1300 Series Drag Race, Triple, 1.645 in. Outside Diameter, 689 lb/in., 0.689 in Inside Diameter, Each

Part Number: RSC-PAC-1349

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Valve Springs, Hot Rod Series, Beehive, 1.254 in. O.D., 422 lbs/in. Rate, 1.150 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1902-16

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Valve Springs, Beehive, Single, 1.445 in. O.D., 370 lbs./in. Rate, 1.210 in. Coil Bind Height, Each

Part Number: RSC-PAC-1220

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Valve Locks, Machined, Steel, 8 Degree, 1-Groove, 0.342 in. Valve Stem, Pair

Part Number: RSC-PAC-L8038

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

Part Number: RSC-PAC-R502

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

Part Number: RSC-PAC-L8151

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

Part Number: RSC-PAC-L8134

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Dual Spring 600 Series Retainer - Tool Steel Retainer for all 1.050 ID Dual Springs. Lock angle: STD 10 degre

Part Number: RSC-PAC-R608

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Estimated Ship Date: Apr 1, 2026 if ordered today

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Dual Spring 600 Series Retainer - Light Weight Steel Version of PAC-R335 LS RPM Dual Spring. Lock angle: LS

Part Number: RSC-PAC-R635

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Estimated Ship Date: Apr 3, 2026 if ordered today

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Valve Spring, RPM Series, Beehive, Single, 1.445 in. O.D., 408 lbs/in. Rate, 1.220 in. Coil Bind Height, Each

Part Number: RSC-PAC-1255X

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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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Valve Spring Locator, Inside Locating Shoulder, Chromoly, 0.700 in. Inner Spring, 1.550 in. O.D., 0.575 in. I.D., 0.060 in. Thick, Set of 16

Part Number: RSC-PAC-S105-16

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S120-16

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Estimated Ship Date: Apr 6, 2026 if ordered today

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SEAT 4140 BLK OXIDE

Part Number: RSC-PAC-S137-16

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Estimated Ship Date: Apr 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, Set of 16

Part Number: RSC-PAC-S160-16

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Steel Seats - for Pacaloy Retainers

Part Number: RSC-PAC-S123-16

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Estimated Ship Date: Apr 1, 2026 if ordered today

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Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S130-16

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Estimated Ship Date: Apr 2, 2026 if ordered today

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Valve Spring Locator, Inside Locating Shoulder, Chromoly, 1.285 in. O.D., 0.575 in. I.D., 0.060 in. Thick, Set of 16

Part Number: RSC-PAC-S159-16

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Estimated Ship Date: Apr 3, 2026 if ordered today

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