Installation Guides

What are the torque specs for the 8.1L Vortec 8100 / 496 engine?

Please refer to our torque spec sheet here.

How do I install the cool gap intake manifold on the 8.1L Vortec 8100 / 496 engine?

Please refer to our intake gasket installation sheet here.

How do I install Raylar's roller rockers on the 8.1L Vortec 8100 / 496 engine?

Where can I find instructions on how to install Raylar performance kits on the 8.1L Vortec 8100 / 496 engine?

Please refer to our 103 kit installation manual here.

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• > Spark Plug Wires