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PAC Racing - PAC-1226 - 1.550 Dual Valve Springs (16)

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The price includes any freight from the supplier to the Store

Product description

Valve Spring - 1200 Series Drag Race - Dual Spring - 663 lb/in Spring Rate - 1.150 in Coil Bind - 1.550 in OD - Set of 16

Additional information
Outer Diameter: 1.550 in
Outer Inner Diameter: 1.100 in
Middle Inner Diameter: N/A
Inner Diameter: 0.788 in
Installed Height (Valve Closed): 2.000 in
Seat Pressure @ 2.000 in: 275 lbs
Open Pressure @ 1.200 in: 805 lbs
Spring Rate: 663 lb/in
Max Valve Lift: 0.800 in
Coil Bind Height: 1.150 in

Recommended components:
Retainers (PAC 500 Series): R506, R541
Retainers (PAC 600 Series): R606, R641, R661
Spring Seats: S105, S106, S139

Application notes:
Smaller diameter spring for bracket racing applications.

racingsprings.com

Vendor Part Number: PAC-1226

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 92 x 384 mm.

Spring Type
Dual

Weight
2,8 kg(The product may have a light retail packaging.)

Availability
Available to order from the supplier. Estimated time of arrival to us 7 - 15 day`s from order, at the earliest 14.8.2026.

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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