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PAC Racing - PAC-1275X - 1.290 RPM Series Valve Springs Beehive (16)

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Product description

Valve Spring - RPM Series - Ovate Beehive Spring - 408 lb/in Spring Rate - 1.215 in Coil Bind - 1.034 in / 1.290 in OD - Set of 16

Additional information
Outer Diameter (Bottom): 1.290 in
Inner Diameter (Bottom): 1.034 in
Outer Diameter (Top): 0.906 in
Inner Diameter (Top): 0.650 in
Installed Height (Valve Closed): 1.950 in
Seat Pressure @ 1.950 in: 140 lbs
Open Pressure @ 1.300 in: 405 lbs
Spring Rate: 408 lb/in
Coil Bind Height: 1.215 in
Max Valve Lift: 0.660 in

Recommended components:
Retainers (PAC 300 Series): R310, R311, R362, R363, R374
Retainers (PAC 500 Series): R510, R511
Spring Seats: S111

Application notes:
LS7 drop-in and Hemi exhaust valve spring.

racingsprings.com

Vendor Part Number: PAC-1275X

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 388 mm.

Spring Type
Beehive

Weight
1,4 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 28.9.2026.

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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