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Product Discontinued
EDELBROCKPART NUMBER: 350-5757
Sure Seat Valve Springs for 1965-1979 Pontiac 389-455 V8 OE Cast Iron Head
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Pontiac
- Sure Seat Valve Springs
- 1965-1979 Pontiac 389-455 V8
- Outside Diameter: 1.485"
- Inside Diameter: 0.830"
- Seat Pressure: 112 lbs
- Installed Height: 1.700"
- Coil Bind: 0.950"
- Cast Iron OE Heads
- Non-Rotator
- For Use With Original Equipment Cast Iron Heads Only
- Designed for use with Performer and Performer RPM cams
- Open Pressure: 285 lbs @ .500"
Part TypeValve Spring
BrandEDELBROCK
Package Height2.3
Package Width3.6
Package Length12.6
Weight3.55 PG
Part CategoryPerformance Parts
CoatedNo
Coil Bind Height0.95 in (24.13 mm)
Damper Spring IncludedNo
PositionExhaust Or Intake
Open Height1.7 in (43.2 mm)
Open Pressure (Lbs.)285
Installed Pressure (Lbs.)125
QuantitySold as a set of 16
Installed Height1.7 in (43.18 mm)
Inside Diameter Of Inner Spring0.83 in (21.082 mm)
Valve Spring StyleStandard
Outside Diameter Of Outer Spring1.485 in (37.7 mm)
Inside Diameter Of Outer Spring1.11 in (28.194 mm)
Inside Diameter0.83 in (21.082 mm)
Spring TypeSingle
Spring Rate (Lbs./In.)N/A
Outside Diameter1.485 in (37.7 mm)
Number Of Springs Per ValveDual
Camshaft TypeMechanical
Vendor Part Number5757
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
