High quality pistons for R90/6 and R90S 2. oversize = 90,0 mm produced with recent technical expertise. MADE IN GERMANY!
With these pistons 1000 head gaskets art. no. 111994 must be installed!
2 x Bead blast cylinder, rebore, hone, 4 VA-pushrod tubes
Rocker arms in one piece steel rocker spindle supports
for all Airheads /5, /6 und R90S till 09/1975, with stand sleeve (15.5mm) in the cylinder head.
2 x Bead blast cylinder, rebore, hone, 4 VA-pushrod tubes
4 pc