4P K20/K24 Cylinder Head Port Covers Honda (K Series) We use a K24Z block

We use a K24Z block and fit it with Ductile Iron Sleeves for 2

+1mm Intake Seat for Oversized Valve

You can also expect the powerband to be extended another 1500rpm

expect 75+whp gains at the same boost level

Recommended Rocker Arm:

4P K20/K24 Cylinder Head Port Covers Honda (K Series) We use a K24Z blockThe 4P K20 K24 port covers not only look great, they allow you to safely store or transport your engine. Keep debris from inside your engine and protect the flanges during transport or while you wait for your project to be completed. INTAKE and EXHAUST covers included in purchase Features Safe storage and transportation Protects port surfaces, valves, and seats Keep the competition from seeing your race head Precision machined from billet aluminum