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

(1) 400-991 Install Kit

2004-2021 Subaru STi (fits intake cam only)

The good news is that with well over 25

• VQ35DE and VQ35HR

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: