Genuine Honda 14cc Big Valve Cylinder Head - Stage 2:
Full Race Ported & Polished Ports, both ports converted from the standard 'D' shape to an 'O',
Diamond Cut 3 Angle Valve Seats,
"Bowl' area of the port machined for a taper upto the valve seat for increase flow,
Stainless Steel Lightweight Oversized Valves, (28.5mm Inlet & 25mm Exhaust)
26Lb Valve Springs,
Aluminium Retainers & Split Retainers.
Copper reuseable exhaust gasket machined to match exhaust port,
Honda gasket matched to inlet port,
Inlet opening matched and designed to be used with our 22mm Mikuni curved manifolds,
Inlet studs fixed in place for use with lock nuts for extra manifold support,
Maximum air flow, huge increase in performance in all parts of the powerband, particularly mid & top end.
This cylinder head is designed to be used with our 22mm Mikuni carburetors or bigger.
For the serious racer, not for the faint-hearted