Exacct 1938- 1940 61 cu in small port replica Knucklehead cylinder head set ( blank set ) feature original cast . Head set include valve seats, Manifold screw and primer plug boss. Rocker brackets has a 45 Dergee chape reinforcement as original. The heads have all fins like original and can be completed with later Rocker tins ( 1938-1941 ) as original.
Brand is manufactured by Motortechnic Mfg. in Germany
NOTE:
Head are casted with numbers 119-35 front head 119-352 rear head and hall mark like original. Uses 1-3/8" large hex 18mm plugs. Valve seats and 61" intake nipples are installed. Late cups and tins 1941-1947 will fit.
The mold was taken from original heads, you can not tell from the original