Best Sealing Honda D Series Header gasket hands down
Honda D Series Exhaust Gasket, .043" Copper
OFF ROAD USE NOTICE
Items sold through boostednw.com including tuning products may be designed for off-road/race use only, and are not applicable for vehicles in states that require pollution controlled vehicles. California (CARB) & other states prohibit the sale or use of some aftermarket parts, including those that tamper with, modify or defeat emissions systems in any 1966 and newer vehicles. BoostedNW LLC prohibits the use of these products on emission controlled vehicles. These parts are sold for OFF ROAD, RACE-ONLY, ground-vehicle use only in a controlled environment.
BoostedNW LLC does not implicitly or explicitly confirm the legality of using any products it sells on public roads. Customers are solely responsible for ensuring all products purchased are used in a legal manner.