Supertech Black Nitride Valves for Acura RSX TSX K20 K24 PTE * OAL = Over All

* OAL = Over All Length including the exhaust tip

we also offer the elements separately

The Spec-R springs will lower your 370Z about 1

-4AN line with one 90° end and one straight end

Supertech Black Nitride Valves for Acura RSX TSX K20 K24 PTE * OAL = Over AllSupertech black nitride exhaust and intake valves for K20 K24 Acura RSX and TSX. These valves are available in various sizes to match your head diameter. Sold as a set of 8 or individually as needed. Please do all your research and consult your engine builder if necessary! Black nitride valves are made from one piece forged stainless steel then go through a special hardening process to lessen the friction between the valve and guide. There are a lot