Our race inlet manifold is made of 6061 aluminum with billet flanges, and fully TIG welded. High flow design incorporated to get as much air into each cylinder as smoothly possible. Stacked runner design for high velocity effect. Four 1/8 npt ports come standard on the plenum, along with one 1/8 npt port for coolant temp. This price is for the base manifold only with stainless mounting hardware included.
The fuel rail, swirl pot, and throttle body are add ons in the drop down menu. You do not have to run a swirl pot, but the option is there. Our throttle body is designed to work with the OEM S13/S14 TPS (not included).
Please allow 3-4 week lead time for production.