E31 Exhaust/Intake Ports
Porting/Polishing is nasty, tedious work. Intake valve runner port matched for intake manifold for triple Weber DCOE 45's and larger intake valve. Exhaust port was left alone.
Porting/Polishing is nasty, tedious work. Intake valve runner port matched for intake manifold for triple Weber DCOE 45's and larger intake valve. Exhaust port was left alone.
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