4 Piston Cam Seal (B and H Series) Exhaust This camshaft is designed to

This camshaft is designed to be a a performance upgrade over our drop-in camshaft

7L and larger serious DRAG RACE ONLY

and takes a mediocre 275cfm cylinder head and transforms it into a 340+cfm race winner

and plenum volume changes through the use of a removable plenum and optional plenum spacers

so we are able to offer a range of 2

4 Piston Cam Seal (B and H Series) Exhaust This camshaft is designed toThe 4 Piston Cam Seal is one of those finishing touches that sets your project apart from the masses. This piece is CNC machined from high quality 6061 billet aluminum and then hard anodized for a durable finish. The 4P logo is then CNC machined into the seal. The seal comes with 3 o rings pre installed for a great seal and precise fit. Like all 4P manufactured products, these are 100% MADE IN THE USA Fits Honda B Series, H Series, and DOHC D Series