Additional information
Outer Diameter (Bottom): 1.270 in
Inner Diameter (Bottom): 1.105 in
Outer Diameter (Top): 0.825 in
Inner Diameter (Top): 0.660 in
Installed Height (Valve Closed): 2.350 in
Seat Pressure @ 2.350 in: 160 lbs
Open Pressure @ 1.700 in: 420 lbs
Spring Rate: 400 lb/in
Coil Bind Height: 1.544 in
Max Valve Lift: 0.750 in
Recommended components:
Retainers (PAC 300 Series): R393, R394
Application notes:
Ford Godzilla drop-in valve spring.
racingsprings.com
Vendor Part Number: PAC-1282X
Pac Racing Catalog -24
Pac Racing Catalog -15
Always verify specifications with the manufacturer and engine builder before final assembly.
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.
Kontaktní formulář
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