Seibon Carbon Fiber VS-Style Rear Spoiler / Wing for Nissan GT-R R35 BAR_TS 1/8" NPT to -4 Adapter

1/8" NPT to -4 Adapter

We have also adjusted the keeper groove to properly balance intake and exhaust spring pressures to reduce the use of valve spring shims and maximize performance from our spring and retainer kits

Now featuring our laser-engraved logo

Alpha fuel rails will not work w/ASNU fuel injectors

Bigger isn’t always better

Seibon Carbon Fiber VS-Style Rear Spoiler / Wing for Nissan GT-R R35 BAR_TS 1/8" NPT to -4 AdapterSeibon Carbon components are carefully hand crafted using only the finest materials. Our production team offers superior craftsmanship with over 15 years of experience working with carbon fiber. Every component is constructed with a consistent weave pattern. Our production processes allow exceptional carbon resin ratio, creating high product stiffness that also leads to extra strength. For a stunning finish, our products are coated with a glossy clear