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1976 BMW 3.0Si Base Sedan
 
BMW Home > 1976 BMW 3.0Si Base Sedan > EngineCylinder Head & Valvetrain 

Cylinder Head & Valvetrain

- Page 2

Valve Springs

Valve springs are used to provide constant tension on the valves. Without them, the valves would make contact with the tops of the pistons and cause damage. It's a good idea to have your old valve springs checked by your machine shop to make sure that they have the correct spring tension. If they do not meet the correct specifications, you should replace them with new ones.
Valve Spring Compressors
Valve Spring Compressor Protective Cover - Cylinder Head Saver  
 
[ More Info ]

Note: Black Delrin protective cover that clips onto valve spring compressor tools. Provides protection against contact with cylinder head and sharp edges of the spring compressor. Fits most spring compressor types.

AGA
Brand Rating
$39.50

With this latest evolution to our Universal Valve Spring Tool we have added the ability to actuate the compression tube even in tight confined locations like under the cowl where the lever cannot be moved or may not even fit. By adding the ability to separate the lever from the compression tube anywhere along the bar you can compress the springs that are confined by brake boosters, AC housings or other factors by locating the lever along the bar where there is open space.

  • Access to valves in areas that are not in open areas with engine in vehicle
  • Valve springs can be depressed "remotely", depressor bar and compression tube are separate
  • Complete universal kit with multi adjustable points
  • No need to remove engine due to confined areas saving time
  • No other valve spring compressor is as universal and adjustable
  • Depressor tube slides easily to each valve location without changing settings
  • All components store neatly in a blow molded box

Rocker Arms and Shafts

Rocker arms transfer the energy from the camshafts and/or pushrods, to the valves. One end is moved by the camshaft and/or pushrod, while the other side moves the valve stem - physically moving the valve up and down.
Rocker Shafts
Rocker shafts are the cylindrical rods that rocker arms rotate around.
Seal - Rocker Shaft Cover Plate Bolt

Rocker Shaft Plug

Cylinder Head Hardware

If you are at the point where you are working on the cylinder head you should finish it right by replacing the hardware with new.
Cylinder Head Stud
Cylinder Head Stud  
 
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  (12 per car, sold individually)
Note: 8 x 40mm, Cylinder Head

Genuine
Brand Rating
$1.50

Exhaust Manifold

The exhaust manifold brings the exhaust gases from multiple cylinders into one pipe. Each manifold is designed to work with the engine's back pressure and upgrading to headers is a common performance upgrade.


BMW Home  >  1976 BMW 3.0Si Base Sedan > Engine  >  Cylinder Head & Valvetrain 

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Page last updated: Tue 12/12/2017 11:12:10 PM
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