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An old product with a new twist! TracTuff's 74mm entry to 70mm exit throttle body adapter for the RBC/ RRC intake manifold!
TracTuff has been porting intake manifolds and boring throttle body openings for a little over 10 years now and one of the most common requests is... to open up the RBC or RRC intake manifolds throttle body flange to 74mm. Dont risk breaking through your manifolds casting and dont waste time porting other companies 70mm adapter, the TracTuff adapter has all you need!
Gaskets are not included so be sure to add a PRB or RBC gasket accordingly.