Fujitsubo Super Ex Basic Exhaust Manifold - Honda Accord Sir-T CF4 additional_image The SpeedFactory Racing 4140 Head

The SpeedFactory Racing 4140 Head Stud Kit is great for most forced induction applications up to 800+HP and includes oversized forged nuts & washers for superior load distribution

Only available in black

Who it's for: Performance and track cars running serious calipers that deserve a rotor to match

This is a "semi-universal" item

This preliminary information guided us in transforming the design to align with the requirements of an entirely distinct manufacturing method—3D CNC machining

Fujitsubo Super Ex Basic Exhaust Manifold - Honda Accord Sir-T CF4 additional_image The SpeedFactory Racing 4140 HeadThe Super Ex series of exhaust manifolds are the result of extensive in house testing by Fujitsubo in Japan. Each header is perfectly designed to give the optimal flow of gasses to offer improved power, throttle response and exhaust note for each application. Perfect fitment is guaranteed.