Supertech Black Nitride Valves for Honda D-Series NON-VTEC Select::Intake 29.0mm (1 Single) (HIVN-1003-1) • STM Downpipes weigh 14

• STM Downpipes weigh 14

• VQ35DE and VQ35HR

2004-2021 Subaru STi (fits intake cam only)

We then took that data and tested in the harshest conditions by racing the Baja 1000 in Mexico and also throughout the sand dunes of the Middle East all to provide you with best air filter that money can buy

Supertech Black Nitride Valves for Honda D-Series NON-VTEC Select::Intake 29.0mm (1 Single) (HIVN-1003-1) • STM Downpipes weigh 14Supertech black nitride exhaust and intake valves for NON VTEC D Series engines. 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 Fitment: