Yläpään tiivistesarja 92-99 big twin Evo 4″ big bore

.045” head gaskets with Firering®, RCM (Rubber Coated Metal) cylinder base and rocker base gaskets, 
and rubber rocker cover gaskets, and includes all gaskets, 
seals and o-rings for a top end rebuild on 4” bore Evolution® style motors.

sopii 92-99 big twin Evo style engines with 4" big bore cylinders (NU)