GM BIG BLOCK 427-454-366 HEADS 3 ANGELS CUT VALVE SEAT CUTTER SET DAYTONA
Valve seat Cutter Set. 2.230″ – 30 Degree Top Angle Cutter For Intake. 2.230″ – 45 Degree Primary Base Angle Cutter For Intake. 2.125″ – 60 Degree Inner (Throating) Angle Cutter For Intake. 1.880″ – 30 Degree Top Angle Cutter For Exhaust.
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