Stage 4 Camshafts are the most agressive cams we offer. These are best for engines with 12.1:1 compression and higher.
They are also recommended for Big Bore or Stroker engines. These are the Big Boys. Racing Header is also recommended.
We have tested to 300 RWHP at 6500 rpm. With Dry Sump and ITB's 340 RWHP