Supertech Black Nitride Valves for EJ WRX/STi Select::Intake 37.00mm Short (Set of 8) (SIVN-1014-2-8) Y-06-BR 5k 8k 95B

Y-06-BR 5k 8k 95B

GrimmSpeed exhaust manifold gaskets for Subaru WRX and STi is 22% thicker than stock and 100% stainless steel including the fire-ring

• CNC 19mm Hex Locking Pins

Includes both LH and RH sides with a glossy carbon fiber finish

The base calibration is pre-configured for the OEM CAS

Supertech Black Nitride Valves for EJ WRX/STi Select::Intake 37.00mm Short (Set of 8) (SIVN-1014-2-8) Y-06-BR 5k 8k 95BSupertech black nitride exhaust and intake valves for EJ20 EJ25 Subaru WRX and STi. 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. Vehicle