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PAC Racing - PAC-1335 - 1.300 Dual Valve Springs (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 - 813 lb/in Spring Rate - 0.985 in Coil Bind - 1.300 in OD - Set of 16

Additional information
Outer Diameter (OD): 1.300 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: 250 lbs
Open Pressure @ 1.050 in: 860 lbs
Spring Rate: 813 lb/in
Coil Bind Height: 0.985 in
Max Valve Lift: 0.800 in

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

Application notes:
High-lift LS performance applications.

racingsprings.com

Vendor Part Number: PAC-1335

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 103 x 92 x 389 mm.

Spring Type
Dual

Weight
1,8 kg
(with sales package 1,71 kg)

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 18.11.2026.

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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