Supertech Black Nitride Valves for Honda D-Series VTEC Select::Intake 31.0mm (Set of 8) (HIVN-1102-8) • Supports vehicles for up

• Supports vehicles for up to 600-700 horse power

Part number HD15SBIMP-OE

CSF is able to use thinner and lighter aluminum material (better cooling efficiency) because this design is actually stronger than normal "O" shape tubes that are welded

might as well get the baddest intercooler you can

Supertech Black Nitride Valves for Honda D-Series VTEC Select::Intake 31.0mm (Set of 8) (HIVN-1102-8) • Supports vehicles for upSupertech black nitride exhaust and intake valves for 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: