PAC Racing Springs Parts and Accessories

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: Jan 21, 2026 if ordered today

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Valve Spring Retainers, 300 Series, Steel, 1.400 in. O.D., Dual, 10 degree, Each

Part Number: RSC-PAC-R391

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Estimated Ship Date: Friday 11/28/2025

Valve Locks, 7 degree, Square Groove-style, Machined, Steel, 1-groove, 0.344 in. Stem Diameter, Pair

Part Number: RSC-PAC-L8156

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S110

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Valve Locks, 8 Degree, 5/16 in. Stem, Titanium, Pair

Part Number: RSC-PAC-L8139

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Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S116

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Estimated Ship Date: Jan 21, 2026 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: Friday 11/28/2025

SINGLE RETAINER

Part Number: RSC-PAC-R374

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Estimated Ship Date: Friday 11/28/2025

RETAINER CHROME MOLY STEEL

Part Number: RSC-PAC-R377

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Shims - 1.620 - 0.015 thick

Part Number: RSC-PAC-S199

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Estimated Ship Date: Jan 21, 2026 if ordered today

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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: Jan 22, 2026 if ordered today

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Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S117

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Valve Springs, 1900 Series Hot Rod, Dual, 1.304 in. O.D., Chromoly Steel Retainers, 7 degree Locks, Kit

Part Number: RSC-PAC-KS16

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Estimated Ship Date: Friday 11/28/2025

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RETAINER 64 TITANIUM

Part Number: RSC-PAC-R436

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Estimated Ship Date: Friday 11/28/2025

Valve Spring Retainer, 400 Series, Single, Titanium, 0.795 in. O.D., Each

Part Number: RSC-PAC-R464

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 21, 2026 if ordered today

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SPRING SHIM SET

Part Number: RSC-PAC-S184-16

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Estimated Ship Date: Dec 15, 2025 if ordered today

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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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Estimated Ship Date: Jan 21, 2026 if ordered today

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

Part Number: RSC-PAC-L8055

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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-L8082

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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 RPM Sereis Dual Valve Springs. Lock angle: mini 8 de

Part Number: RSC-PAC-R550-16

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Valve Spring, RPM Series, Beehive, Single, 1.020 in. O.D., 240 lbs./in. Spring Rate, 0.940 in. Coil Bind Height, Each

Part Number: RSC-PAC-1234X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 11/28/2025

Steel Spring Seats (0.060 Thickness)

Part Number: RSC-PAC-S131

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Triple Spring 500 Series Retainer - Titanium Retainer for Triple Drag Race Springs. Lock angle: STD 10

Part Number: RSC-PAC-R501-16

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Estimated Ship Date: Dec 16, 2025 if ordered today

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

Part Number: RSC-PAC-R502-16

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Estimated Ship Date: Dec 18, 2025 if ordered today

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Dual Spring 500 Series Retainer - Titanium Retainer for all 1.050 ID Dual Valve Springs. Lock angle: mini 8

Part Number: RSC-PAC-R544-16

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Estimated Ship Date: Dec 2, 2025 if ordered today

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