The 53mm throttle body is recommended for highly modified Dodge 5.9 or 390/408 stroker with higher performance camshaft, ported big valve heads, performance intake…or with boost.  Really produces great midrange and high rpm power.  No problem with lower rpm torque providing your combination is set up correctly with gear and stall convertor.  A great racing throttle body.

Price breakdown:  $214.95 + $30 core + $10 shipping US = $254.95

Note: The core charge may be refundable.  See detailed description.