Description
The Edelbrock PN: 5857 Sure Seat Valve Spring for Pontiac 389-455 V8 1965 and later O.E Cast iron cylinder heads are made of highest quality spring wire and precision wound to close tolerances, our Sure Seat Valve Spring sets are for use on original equipment heads when installing Edelbrock Performer-Plus, Performer RPM and Torker-Plus camshafts. These are the same high-performance'springs used on Edelbrock Performer and RPM cylinder heads. For camshaft warranty compliance, use only the springs recommended by Edelbrock for each camshaft application.
Pontiac:-:326 (5.3L)/350 (5.7L)/389 (6.4L)/400 (6.6L)/421 (6.9L)/428 (7.0L)/455 (7.4)
V/S PONTIAC 350-455 - Part number: EDL-5857 - for American Cars - delivery to the UK and the EU
Manufacturer part number: 5857 - V/S PONTIAC 350-455 engine-valve-spring
Data sheet
- Position
- Exhaust or Intake
- Material
- Steel
- Inside Diameter
- 0.768 IN
- Outside Diameter
- 1.390 IN
- Spring Type
- Dual Coil
- Grade Type
- Performance
- Camshaft Type
- Hydraulic Flat Tappet
- Coil Bind Height
- 0.990 IN
- Installed Height (in.)
- 1.59
- Installed Pressure
- 100 ps
- Open Height
- 0.470 IN
- Spring Rate (lbs./in.)
- N/A
- Tubing Length
- 285
- Installed Height
- 1.590 IN
- Open Pressure
- 242 ps
- Closed Height
- 1.590 IN
- Closed Pressure
- 100 ps
Package dimensions
Width: 3.38 inch
Height: 2.25 inch
Depth: 12.25 inch
Weight: 3.80 lb