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Zz4 Camshaft Fs


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What are the specs on it?

 

This hydraulic roller tappet is used on the 350 ZZ3 & ZZ4 engines.

 

The duration at lash point in degrees (intake/exhaust) is 275/280

 

Duration at .050" tappet lift (intake/exhaust) is 208/221

 

Maximum lift with 1.5:1 rocker ratio (intake/exhaust) is 474/501.

 

Valve lash is zero/zero and lobe centerline is 112 degrees.

 

:lol:

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