PAC Racing Springs Parts and Accessories

Valve Spring Retainers, 500 Series, Dual, Titanium, 1.365 in. O.D., 8 degree, Set of 16

Part Number: RSC-PAC-R509-16

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Valve Spring Retainers, 500 Series, Dual, Titanium, 1.475 in. O.D., 10 degree, Set of 16

Part Number: RSC-PAC-R504-16

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Valve Spring Retainers, 500 Series, Titanium, 1.400 in. Outer Spring O.D., 10 degree Lock, Dual Springs, Set of 16

Part Number: RSC-PAC-R506-16

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Valve Spring Retainers, 500 Series, Beehive, Titanium, 0.990 in. Outer Spring O.D., 7 degree Lock, Single Spring, Fits GM LS Series Valvetrains, Each

Part Number: RSC-PAC-R511

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Shims - 1.500 - 0.030 thick

Part Number: RSC-PAC-S193

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Valve Spring, 1200 Series, Dual, 1.539 in. Outside Diameter, 0.731 in. Inside Diameter, Set of 16

Part Number: RSC-PAC-1227-16

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Estimated Ship Date: Jan 15, 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: Today

GODZILLA SRPING RETAINERS 16PC

Part Number: RSC-PAC-R393-16

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Valve Locks, 7 degree, Radius Groove-style, Machined, Steel, 1-groove, 8.00mm Stem Diameter, Set of 16 Pairs

Part Number: RSC-PAC-L8113-16

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Estimated Ship Date: Jan 16, 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: Jan 15, 2026 if ordered today

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VALVE SPRINGS

Part Number: RSC-PAC-1392

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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: Dec 1, 2025 if ordered today

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Valve Locks, 10 degree, Radius Groove-style, Machined, Steel, 1-groove, 0.342 in. Stem Diameter, Set of 16 Pairs

Part Number: RSC-PAC-L8028-16

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Estimated Ship Date: Dec 2, 2025 if ordered today

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

Part Number: RSC-PAC-L8146-16

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Estimated Ship Date: Dec 12, 2025 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: Dec 11, 2025 if ordered today

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Steel Seats - .030 thick

Part Number: RSC-PAC-S133-16

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Estimated Ship Date: Dec 18, 2025 if ordered today

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Valve Spring Retainer, 500 Series, Dual, Titanium, 1.365 in. O.D., 10 degree, Each

Part Number: RSC-PAC-R508

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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, Each

Part Number: RSC-PAC-S105

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 21, 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, Each

Part Number: RSC-PAC-S160

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Beehive 600 Series Retainer - Ultra Light Weight Steel for Super Stock PAC-1427 Valve Spring. Lock angle: mi

Part Number: RSC-PAC-R643-16

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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: Today

VALVE LOCKS PAC STEEL

Part Number: RSC-PAC-L8159-16

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Estimated Ship Date: Dec 18, 2025 if ordered today

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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: Jan 21, 2026 if ordered today

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

Part Number: RSC-PAC-L8016

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Estimated Ship Date: Dec 11, 2025 if ordered today

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