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02PHRS1 500Hp20 Z

The Edelbrock heads come with 76cc combustion chambers and valve sizes of 2.090/1.660 for the intake/exhaust, but Van Auken had Wheel to Wheel's Dwayne Welder rework the heads to flow better at mid-to-high lift.
A Side Oiler Like We've Never Seen

The Edelbrock heads come with 76cc combustion chambers and valve sizes of 2.090/1.660 for the intake/exhaust, but Van Auken had Wheel to Wheel's Dwayne Welder rework the heads to flow better at mid-to-high lift.  View Related Article

 

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