These billet aluminium adapter plates allow you to bolt a Bosch throttle body to any Proflow fabricated intake manifold with either an 80mm or 90mm bore.

These billet aluminium adapter plates allow you to bolt a Bosch throttle body to any Proflow fabricated intake manifold with either an 80mm or 90mm bore. Suits any 82mm Bosch DBW throttle body and comes in either polished or black.

Suits PFEM67740 Barra manifold flange to Bosch DBW throttle body.

  • 80mm throttle body PCD: 80 x 80mm 
  • 82mm Bosch throttle PCD: 75 x 75mm

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Proflow Master Cylinder, GM Original Style 67-77, Cast Iron, Natural, 1-1/8 in. Bore, Dual Bowl, Left Port, GM Original Style 67-77

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