Camshaft, 306 Series, Honda GX240, GX270, GX390, 420 Predators
306 SERIES - Race cam with awesome mid-range power
Fits Honda GX240 thru GX390, 420 Predators, 460cc OHVs, and most other 9 thru 15 hp Honda Style OHV Motors
Serious race cam with awesome mid-range power camshaft for serious motors. Lobe designed esp. for Honda 270 - 390 Motors. Approx .306 lift and 240 duration (at .050). This cams likes big carbs and big ports. Best Cam for 240 to 301cc (esp GX270s) engine. )
Note: Honda Blocks or crankshaft may require clearancing to clear camshaft lobes.0410 Torque Grind - 6500 RPM. 9.0 to 1 compression or more. Requires HD or Dual Springs (recommended), Small track cam for serious torque. Works on both 270s and 390s.
0807 RPM Grind - 7500 RPM. 11.0 to 1 compression or more. HD or Dual Springs Required, Recommended for 270s needing high rpm HP. Great all around Cam for 390s.