VW EMPI BUG COMPETITION DUAL PORT PERFORMANCE CYLINDER HEAD, 92mm DUAL SPRINGS. EMPI HIGH PERFORMANCE CYLINDER HEADS High Quality special aluminum alloy, permanent mold 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. Special aluminum alloy for strength and stiffness Permanent mold casting 12mm, 3/4 reach plugs moved away from valve seats to eliminate stress cracks Bronze valve guides Valve seats installed (40mm Intake / 35.5mm Exhaust) Increased port wall thickness for porting Exhaust air passages are clear for proper cooling Weldable for custom work Rocker, Exhaust and…

VW EMPI BUG COMPETITION DUAL PORT PERFORMANCE CYLINDER HEAD, 94mm DUAL SPRINGS. EMPI HIGH PERFORMANCE CYLINDER HEADS High Quality special aluminum alloy, permanent mold 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. Special aluminum alloy for strength and stiffness Permanent mold casting 12mm, 3/4 reach plugs moved away from valve seats to eliminate stress cracks Bronze valve guides Valve seats installed (40mm Intake / 35.5mm Exhaust) Increased port wall thickness for porting Exhaust air passages are clear for proper cooling Weldable for custom work Rocker, Exhaust and…