the ability to port the interior passages (thanks to a removable plenum cover), and an attractive ... to be a serious new contender in the LS-intake-manifold market. As is evident from the graph ...

It's now time to cover up our stroked LS1 and add new items like ignition coils, a higher-flowing intake manifold, and an underdrive crank pulley. Along with modifying a few stock components along ...

See All 19 Photos 11.The valve covers are installed next ... with airflow specialists at RHS to develop polymer intake manifolds for GM LS engines. While the LSXR features a 102mm air inlet ...