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PAC Racing - PAC-1276X - 1.290 RPM Series Valve Springs Beehive (16)

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Product description

Valve Spring - RPM Series - Ovate Beehive Spring - 409 lb/in Spring Rate - 1.070 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): 1.800 in
Seat Pressure @ 1.800 in: 150 lbs
Open Pressure @ 1.140 in: 420 lbs
Spring Rate: 409 lb/in
Coil Bind Height: 1.070 in
Max Valve Lift: 0.660 in

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

Application notes:
LS drop-in spring for very high lift applications.

racingsprings.com

Vendor Part Number: PAC-1276X

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 384 mm.

Spring Type
Beehive

Weight
1,3 kg(The product may have a light retail packaging.)

Availability
The product is currently not in stock at our warehouse.

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

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