Designed and manufactured to be as accurate as possible, our high butterfly throttle body system is a direct replacement for 911 ST and 73 RSR models that were original equipped with them. Many car owners like the sports purpose/ race style that these parts lend their cars as well as the unmistakable intake roar and increase in horsepower over carburetors. Available in both 38 mm and 43 mm base opening with 50 mm throttle plates, these units are the best when it comes to street and track.
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Part Numbers: 38mm/50mm: 1.02302Q 43mm/50mm: 1.02302R