Naraku Performance Intake Spacer for QMB139

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.-Please-see-our-Warranty-&-Returns-Policy.*It-is-possible-to-install-this-spacer-180-degrees-reversed.-If-it-is-installed-incorrectly-it-will-cover-the-inlet-port-and-restrict-flow.---Inner-diameter-tapers-from-24mm-down-to-21mmIncludes-o-ring11mm-thick