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PAC Racing - PAC-1333 - 1.274 Dual Valve Springs Drag Race (16)

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The price includes any freight from the supplier to the Store

Product description

Valve Spring - 1300 Series Drag Race - Dual Spring - 673 lb/in Spring Rate - 0.971 in Coil Bind - 1.274 in OD - Set of 16

Additional information
Outer Diameter (OD): 1.274 in
Spring ID (Outer): 0.900 in
Inner Diameter (ID): 0.616 in
Installed Height (Valve Closed): 1.800 in
Seat Pressure @ 1.800 in: 245 lbs
Open Pressure @ 1.050 in: 750 lbs
Spring Rate: 673 lb/in
Coil Bind Height: 0.971 in
Max Valve Lift: 0.750 in

Recommended components:
Retainers (PAC 300 Series): R432
Retainers (PAC 500 Series): R532
Retainers (PAC 600 Series): R632
Spring Seats: S128, S138

Application notes:
LS solid roller applications.

racingsprings.com

Vendor Part Number: PAC-1333

Pac Racing Catalog -24
Pac Racing Catalog -15

Always verify specifications with the manufacturer and engine builder before final assembly.

The approximate size of the packed product or the sales package is 102 x 89 x 382 mm.

Spring Type
Dual

Weight
1,7 kg(The product may have a light retail packaging.)

Availability
The product is currently not in stock at our warehouse. Available from our supplier. Estimated arrival at our warehouse 7 - 15 days from order, at the earliest 16.9.2026.

Delivery time?

If the product is available at the Vantaa warehouse, it can be picked up or delivered—usually already within the same day.

When the product shows an estimated delivery time of 7–15 days, this is how the supplier‑warehouse order progresses.

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