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PAC Racing - PAC-1427 - 1.454 Valve Springs - Ovate Beehive (16)

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The price includes any freight from the supplier to the Store

Product description

Valve Spring - 1400 Series - Conical - Single Spring - 500 lb/in Spring Rate - 1.175 in Coil Bind - 1.104 in / 1.454 in OD - Set of 16

Additional information
Outer Diameter (Bottom): 1.454 in
Inner Diameter (Bottom): 1.000 in
Outer Diameter (Top): 1.104 in
Inner Diameter (Top): 0.650 in
Installed Height (Valve Closed): 1.850 in
Seat Pressure @ 1.850 in: 200 lbs
Open Pressure @ 1.250 in: 500 lbs
Spring Rate: 500 lb/in
Max Valve Lift: 0.625 in
Coil Bind Height: 1.175 in

Recommended components:
Retainers (PAC 300 Series): R310, R333
Retainers (PAC 500 Series): R510
Retainers (PAC 600 Series): R643
Spring Seats: S112, S113

Application notes:
Big block stock eliminator applications. Variable spring rates for aggressive camshafts.

racingsprings.com

Vendor Part Number: PAC-1427

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 91 x 390 mm.

Engine
Chevy BB

Weight
1,7 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 1.2.2026.

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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