These camshafts can only be used in the AFH engine. This engine features bucket type cam followers (direct tappet), whereas other small block 16v engines have finger followers with rollers (see engine list).
machining of cylinder head can be required at camlobes
Distance between valve and piston should be 1.0mm at least:
check 5-15° after TDC on intake
check 5-15° before TDC on exhaust
Machine pistons if required. Wrong installation can cause severe engine damage!
ONLY for dirt track applications and pro street use with adjustable engine management or carburettors