PAC Racing Springs at Summit Racing

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

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

PAC Racing Valve Spring Seats and Cups PAC-S112-16

Valve Spring Locator, Inside Locating Shoulder, Chromoly, 1.450 in. O.D., 0.570 in. I.D., 0.060 in. Thick, Set of 16

Part Number: RSC-PAC-S112-16

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

PAC Racing 1300 Series Drag Race Valve Springs PAC-1360-16

1.522 OD 2.250 1.00" Dual Spring

Part Number: RSC-PAC-1360-16

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

PAC Racing Valve Spring Seats and Cups PAC-S135-16

Valve Spring Locator, Inside Locating Shoulder, Steel, 1.270 in. O.D., 0.570 in. I.D., 0.060 in. Thick, GM LS Engines, Set of 16

Part Number: RSC-PAC-S135-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

PAC Racing Valve Spring Seats and Cups PAC-S134

Valve Spring Locator, Inside Locating Shoulder, Chromoly, 1.500 in. O.D., 0.570 in. I.D., 0.030 in. Thick, Each

Part Number: RSC-PAC-S134

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

PAC Racing 1200 Series Valve Springs PAC-1286-16

Valve Springs, 1200 Series, Single, 1.405 in. O.D., 283 lbs./in. Rate, 1.060 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1286-16

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

PAC Racing Specialty & Class Specific Valve Springs PAC-1409X-16

Valve Springs, Specialty and Class Specific, Beehive Series, Single, 436 lbs./in. Rate, 1.190 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1409X-16

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

PAC Racing Valve Locks PAC-L8133-16

Valve Locks, 8 degree, 1-groove, Machined, Steel, 0.344 in. Stem Diameter, Set of 16 Pairs

Part Number: RSC-PAC-L8133-16

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

PAC Racing 300 Series Valve Spring Retainers PAC-R363-16

Valve Spring Retainers, 300 Series, Steel, 1.035 in. O.D., Single, Beehive, 7 degree, Set of 16

Part Number: RSC-PAC-R363-16

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

PAC Racing Valve Spring Shims PAC-S186

Valve Spring Shims, Hardened, 1.5 in. O.D., 0.570 in. I.D., 0.020 in. Thick, Each

Part Number: RSC-PAC-S186

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

PAC Racing 1200 Series Valve Springs PAC-1220-16

Valve Springs, Beehive, Single, 1.445 in. O.D., 370 lbs./in. Rate, 1.210 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1220-16

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

PAC Racing 1900 Series Hot Rod Valve Springs PAC-1901-16

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

Not Yet Reviewed

Estimated Ship Date: Jun 22, 2026 if ordered today

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Estimated Ship Date: Jun 22, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

PAC Racing Hot Rod Series Valve Springs PAC-1901

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026

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PAC Racing 400 Series Valve Spring Retainers PAC-R435

Valve Spring Retainer, 400 Series, Dual, Titanium, 1.300 in. O.D., 7 degree, Each

Part Number: RSC-PAC-R435

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

PAC Racing Valve Spring Seats and Cups PAC-S111-16

Valve Spring Locators, Valve Spring Seats and Cups, Inside Locating Shoulder Type, Chromoly, 1.270 in. O.D., Set of 16

Part Number: RSC-PAC-S111-16

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

PAC Racing Valve Locks PAC-L8141-16

Valve Locks, Machined, Steel, 8 Degree, 1-Groove, 0.315 in. Valve Stem, Set of 16 Pairs

Part Number: RSC-PAC-L8141-16

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

PAC Racing 300 Series Valve Spring Retainers PAC-R335-16

Dual Spring 300 Series Retainer - Retainer for LS RPM Series Dual Valve Springs. Lock angle: LS 7 degree

Part Number: RSC-PAC-R335-16

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

PAC Racing Valve Spring Seats and Cups PAC-S103-16

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

Part Number: RSC-PAC-S103-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

PAC Racing 300 Series Valve Spring Retainers PAC-R311-16

Valve Spring Retainers, 300 Series, Steel, 1.035 in. O.D., Single, Beehive, 7 degree, Set of 16

Part Number: RSC-PAC-R311-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 18, 2026 if ordered today

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Estimated Ship Date: Jun 18, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

PAC Racing 300 Series Valve Spring Retainers PAC-R311

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026

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PAC Racing 1900 Series Hot Rod Valve Springs PAC-1903-16

Valve Springs, 1900 Series Hot Rod, Dual, 1.459 in. O.D., 391 lbs./in. Rate, 1.050 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1903-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 3, 2026 if ordered today

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Estimated Ship Date: Jun 3, 2026 if ordered today

PAC Racing Valve Spring Seats and Cups PAC-S133

Valve Spring Locator, Outside Locating Shoulder, Chromoly, 1.650 in. O.D., 0.570 in. I.D., 0.030 in. Thick, Each

Part Number: RSC-PAC-S133

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

PAC Racing RPM Series Valve Springs PAC-1276X-16

Valve Springs, RPM Series, Beehive, Single, 1.290 in./1.040 O.D., 420 lbs./in. Rate, 1..070 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1276X-16

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2026 if ordered today

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Estimated Ship Date: Jun 3, 2026 if ordered today

PAC Racing Valve Locks PAC-L8113

Valve Locks, Machined, Steel, 7 Degree, 1-Groove, 0.315 in. Valve Stem, Pair

Part Number: RSC-PAC-L8113

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

PAC Racing Valve Spring Seats and Cups PAC-S138-16

Valve Spring Locator, Inside Locating Shoulder, Chromoly, 1.270 in. O.D., 0.575 in. I.D., 0.060 in. Thick, Set of 16

Part Number: RSC-PACS138-16

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

PAC Racing 400 Series Valve Spring Retainers PAC-R405

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Estimated Ship Date: Monday 4/27/2026

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PAC Racing Springs Parts and Accessories