PAC Racing 400 Series Valve Spring Retainers

5.0 out of 5 stars 3 Customer Reviews

PAC Racing 400 Series valve spring retainers are made from the very best American Titanium 6AL4V material available to bring you great strength with less weight. In

PAC Racing 400 Series valve spring retainers are made from the very best American Titanium 6AL4V material available to bring you great strength with less weight. In order to have uniform material, PAC Racing buys mil run lots so they can define the tensile strength and seam characteristics. This version of titanium is widely used in the Aerospace industry, allowing for lower material costs compared to their 500 Series. These 400 Series retainers are robust, lightweight powerhouses able to tackle most street and off-road builds. The last thing anyone wants is a cheap part to ruin your day. For strength, uniformity, an

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PAC Racing 400 Series Valve Spring Retainers PAC-R405-16

Valve Spring Retainers, 400 Series, Tall, Titanium, 1.450 in. Outer Spring O.D., 10 degree Lock, Dual Springs, +0.050 in. Installed Height, Set of 16

Part Number: RSC-PAC-R405-16

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PAC Racing 400 Series Valve Spring Retainers PAC-R464-16

Valve Spring Retainers, 400 Series, Single, Titanium, 0.795 in. O.D., Set of 16

Part Number: RSC-PAC-R464-16

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PAC Racing 400 Series Valve Spring Retainers PAC-R432-16

Valve Spring Retainers, 400 Series, Dual, Titanium, 1.284 in. O.D., 8 degree, Set of 16

Part Number: RSC-PAC-R432-16

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PAC Racing 400 Series Valve Spring Retainers PAC-R404-16

Valve Spring Retainers, 400 Series, Tall, Titanium, 1.480 in. Outer Spring O.D., 10 degree Lock, Dual Springs, +0.050 in. Installed Height, Set of 16

Part Number: RSC-PAC-R404-16

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PAC Racing 400 Series Valve Spring Retainers PAC-R401-16

Valve Spring Retainers, 400 Series, Titanium, 1.480 in. O.D., Tall, Triple, 10 degree, Set of 16

Part Number: RSC-PAC-R401-16

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PAC Racing 400 Series Valve Spring Retainers PAC-R450-16

Dual Spring 400 Series Retainer - Retainer for RPM Series Dual Valve Springs (mini 8 Locks). Lock angle: min

Part Number: RSC-PAC-R450-16

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PAC Racing 400 Series Valve Spring Retainers PAC-R455-16

Dual Spring 400 Series Retainer - Titanium Retainer for PAC-1222X Valve Spring. Lock angle: LS 7 degree

Part Number: RSC-PAC-R455-16

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

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PAC Racing 400 Series Valve Spring Retainers PAC-R455

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PAC Racing 400 Series Valve Spring Retainers PAC-R402-16

Triple Spring 400 Series Retainer - +0.050 Sportman Triple Spring Drag Race Retainer. Lock angle: STD 8 degre

Part Number: RSC-PAC-R402-16

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

PAC Racing 400 Series Valve Spring Retainers PAC-R416-16

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

Part Number: RSC-PAC-R416-16

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Estimated Ship Date: Oct 28, 2025 if ordered today

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PAC Racing 400 Series Valve Spring Retainers PAC-R435-16

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: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

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PAC Racing 400 Series Valve Spring Retainers PAC-R435

5 out of 5 stars ( 1 )

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PAC Racing 400 Series Valve Spring Retainers PAC-R439-16

Dual Spring 400 Series Retainers - Titanium Ford (FMOD) for PAC-1512 Valve Springs. Lock angle: 7 degree

Part Number: RSC-PAC-R439-16

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

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PAC Racing 400 Series Valve Spring Retainers PAC-R439

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PAC Racing 400 Series Valve Spring Retainers PAC-R442-16

Beehive 400 Series Retainer - Retainer for V-Rod. Lock angle: 6 degree

Part Number: RSC-PAC-R442-16

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

PAC Racing 400 Series Valve Spring Retainers PAC-R445-16

Beehive 400 Series Retainer - Retainer for V-Rod Destroyer. Lock angle: 6 degree

Part Number: RSC-PAC-R445-16

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

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