2pcs 40mm Higher Performance air Intake Manifold/Higher Performance Manifold Intake 40mm for 2 Stroke Gas Bicycle Motor Engine kit Motorized Bike for Gas Motorized Bicycle
length of neck:28mm; out dia of neck:19mm; inner dia of neck:13.5mm
100% fully higher performance made with high quality aluminum.
higher performance manifold intake matching the intake port 40mm of most 2-stroke engine 66cc/80cc
advance design with o-ring which seals and eliminate any possible leaks that may cause poor performance.improve the performance and adds up to the efficiency
2pcs higher performance intake included in package