We have researched, tried and tested and now have a replacement for the Rocker arm inlet
OEM Part Number -
20033001=2003
20028101=2001-2002 as the factory no longer make this part. Suits 400, 470, 501, 550, 650
ROCKER ARM INLET REPLACEMENT 2001-2003
TAFFMEISTERS MODIFICATION
COMES WITH SPACER AND SHIM
SUITABLE FOR ALL INLET ARMS ALL MODELS 2001 - 2003
The Picture Shown is of the similar arm so we still have our secrets!!