PAC Racing Springs Parts and Accessories

Specially designed springs for calibrating spring testers. Come coomplete with data sheets showing various lo

Part Number: RSC-PAC-T900

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Estimated Ship Date: Jan 21, 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: Jan 21, 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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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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Beehive 500 Series Retainer - Retainer for Ford (FMOD). Lock angle: 7 degree

Part Number: RSC-PAC-R512-16

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Dual Spring 300 Series Retainer - Retainer for PAC-1200 & 1201. Lock angle: STD 8

Part Number: RSC-PAC-R349-16

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Valve Locks, 10 degree, 1-groove, Machined, Steel, 0.313 in. Stem Diameter, Set of 16 Pairs

Part Number: RSC-PAC-L8067-16

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

Part Number: RSC-PAC-L8092-16

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Estimated Ship Date: Dec 17, 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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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-1574 Dual Spring. Lock angle: STD 8

Part Number: RSC-PAC-R553

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

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VALVE SPRING

Part Number: RSC-PAC-R378

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Valve Spring, 1900 Series Hot Rod, Dual, 1.540 in. O.D., 431 lbs./in. Rate, 1.125 in. Coil Bind Height, Each

Part Number: RSC-PAC-1924

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VALVE LOCKS PAC STEEL

Part Number: RSC-PAC-L8143

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Valve Springs, 1200 Series, Dual, 1.550 in. O.D., 663 lbs./in. Rate, 1.150 in. Coil Bind Height, Each

Part Number: RSC-PAC-1226

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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, 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 17, 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 Springs, 1400 Series, Single, 1.305 in. Outside Diameter, 437 lb/in., 0.943 in Inside Diameter, Each

Part Number: RSC-PAC-1421

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Steel Spring Seats, 0.030 in. Thickness, Each

Part Number: RSC-PAC-S127

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VALVE LOCKS PAC STEEL

Part Number: RSC-PAC-L8088-16

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Estimated Ship Date: Jan 21, 2026 if ordered today

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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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Shims - 1.620 - 0.030 thick

Part Number: RSC-PAC-S197

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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 - +0.050 Install Height

Part Number: RSC-PAC-L8130-16

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Estimated Ship Date: Dec 4, 2025 if ordered today

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