Additional information
Outer Diameter: 1.077 in / 1.282 in
Inner Diameter (Outer): 0.655 in / 0.860 in
Inner Diameter (Inner): N/A
Installed Height (Valve Closed): 1.800 in
Seat Pressure @ 1.800 in: 92 lbs
Open Pressure @ 1.300 in: 285 lbs
Spring Rate: 386 lb/in
Max Valve Lift: 0.500 in
Coil Bind Height: 1.181 in
Recommended components:
Retainers: N/A
Spring Seats: N/A
Application notes:
GM 604 crate motor “Beehive” valve spring. Meets class specifications with improved RPM capability and endurance compared to standard springs.
racingsprings.com
Vendor Part Number: PAC-1280X
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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