Supertech Black Nitride Valves for Honda D-Series VTEC Stroud Replacement Aluminum Flywheel Weight (lbs):

Replacement Aluminum Flywheel Weight (lbs): Vehicle: Fits Clutch Kit: TM1-645-1C

which also allows you to add additional channels to a non-AEM ECU

25 to 4 inch

This tube kit includes high quality stainless-steel

Supertech Black Nitride Valves for Honda D-Series VTEC Stroud Replacement Aluminum Flywheel Weight (lbs):Supertech 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: