Additional information
Outer Diameter: 1.550 in
Inner Diameter (Outer): 1.136 in
Inner Diameter: 0.812 in
Installed Height (Valve Closed): 1.900 in
Seat Pressure @ 1.900 in: 240 lbs
Open Pressure @ 1.200 in: 765 lbs
Spring Rate: 550 lb/in
Max Valve Lift: 0.700 in
Coil Bind Height: 1.150 in
Recommended components:
Retainers (PAC 400 Series): R436
Retainers (PAC 500 Series): R536
Spring Seats: S119, S120
Application notes:
Short installed height for high roller cam applications.
racingsprings.com
Vendor Part Number: PAC-1343
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.
Kontakt skjema
Check also: Betingelser og vilkår