Trick Flow® R-Series Intake Manifolds for 500-plus cubic inch big block Chevy engines are designed for maximum power delivery between 3,500 and 8,000 rpm—right where it’s needed the most. These single plane, rectangular port intake manifolds feature high-flowing extended runners and raised plenum floors to increase horsepower and torque. Other special features include extra material for custom port work and bosses for nitrous injection. These intake manifolds only fit Dominator-style carbs. On standard deck height engines, the overall height to the carburetor mounting pad is 6.543 in. On tall deck engines, the overall height to the mounting pad is 6.826 in.

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