High Performance Dual Port Cylinder Head Complete

High Performance Dual Port Cylinder Head Complete made from high quality aluminum alloy, permanent casting
makes for a strong Cylinder head that looks as good as it functions.Features 12mm, 3/4" reach plugs, silicone bronze valve guides and with 40mm / 35.5mm valve seats installed

for 85.5 w/single valve springs

Hi Quality special aluminum alloy for strength and stiffness

Permanent mould casting

12mm, 3/4" reach plugs moved away from valve seals to eliminate stress cracks

bronze valve guides

valve seats installed (40mm intake/ 35.5mm exhaust)

Exhaust air passage are cleare for proper cooling

weldable for custom work

rocker, exhaust and intake studs included