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Edelbrock 5857
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Edelbrock Sure Seat Valve Springs for 1965-1979 Pontiac 389-455 V8 OE Cast Iron Head

350-5857

made in usa
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$20 off $200, $50 off $500 and $100 off $1,000 Order. Promotion Code: SPRINGSAVINGS exclusions apply
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Edelbrock Sure Seat Valve Springs for 1965-1979 Pontiac 389-455 V8 OE Cast Iron Head $102.99
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To order this item contact Customer Service at 1-800-345-4545.
Sure Seat Valve Springs
  • 1965-1979 Pontiac 389-455 V8
  • Outside Diameter: 1.390"
  • Inside Diameter: 0.768"
  • Seat Pressure: 100 lbs
  • Installed Height: 1.590"
  • Coil Bind: 0.990"
  • Cast Iron OE Heads
  • Non-Rotator
  • Edelbrock 5857 Details

    Pontiac

  • For Use With Original Equipment Cast Iron Heads Only
  • Designed for use with 350-2157 Performer cams
  • Open Pressure: 242 lbs @ .470"

  • Specifications:

    Installed Pressure (lbs.)
    100
    Open Pressure (lbs.)
    285
    Camshaft Type
    Mechanical
    Spring Type
    Single
    Inside Diameter
    0.776
    Outside Diameter
    1.39
    Spring Rate (lbs./in.)
    N/A
    Coil Bind Height (in.)
    OEM
    Installed Height (in.)
    1.590
    Open Height (in.)
    1.59
    Position
    Exhaust Or Intake
    Coated
    No
    Damper Spring Included
    No
    Inside Diameter of Inner Spring (in.)
    0.776
    Inside Diameter of Outer Spring (in.)
    0.776
    Number of Springs Per Valve
    Dual
    Outside Diameter of Outer Spring (in.)
    1.39
    Quantity
    Sold as a set of 16
    Valve Spring Style
    Standard
    Manufacturer's Part Number:
    5857

    Designed for use with Edelbrock Performer-Plus, Performer RPM, and Torker-Plus Camshafts, Sure Seat Valve Springs are made of the highest quality spring wire and precision wound to close specifications.

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