NARAKU PERFORMANCE 24mm INTAKE MANIFOLD SPACER FOR QMB139.
THIS SPACER IS DESIGNED TO OPTIMIZE FLOW FROM A 24mm INTAKE TO THE 21mm INLET PORTS ON THE NARAKU HEAD IN THE 52.4mm BIG BORE KIT. THE O-RING SIDE CONTACTS THE HEAD SURFACE REGARDLESS OF ORIENTATION OF THE NARAKU LOGO.
INNER DIAMETER TAPERS FROM 24mm DOWN TO 21mm
INCLUDES O-RING
11mm THICK
*IT IS POSSIBLE TO INSTALL THIS SPACER 180° REVERSED. IF IT IS INSTALLED INCORRECTLY IT WILL COVER THE INLET PORT AND RESTRICT FLOW