Información adicional
Outer Diameter (Bottom): 1.445 in
Inner Diameter (Bottom): 1.095 in
Outer Diameter (Top): 1.000 in
Inner Diameter (Top): 0.650 in
Installed Height (Valve Closed): 1.900 in
Seat Pressure @ 1.900 in: 160 lbs
Open Pressure @ 1.250 in: 400 lbs
Spring Rate: 370 lb/in
Coil Bind Height: 1.165 in
Max Valve Lift: 0.650 in
Recommended components:
Retainers (PAC 300 Series): R310, R311, R363
Retainers (PAC 500 Series): R510, R511
Spring Seats: S112, S113
Application notes:
BBC spring for flat tappet and hydraulic roller applications with more load than 1220.
racingsprings.com
Número de pieza del proveedor: PAC-1220X
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.
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Check also: términos y condiciones de entrega