This is a brand new (Set of 2) Stage 1 Port and Polished High Performance Cylinder Heads for a Porsche 914 2.0L  Made from an AA 2.0L 914 casting with breather using 8mm valve stems. Heads comes with stainless steel 48mm intake and a stainless steel 38mm exhaust valves, with harden keepers, chromoly retainers, and dual high rev springs. They are ready to install. 

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The heads can also be opened to 103 to accommodate the larger bore sizes. 

Engine: Porsche 914 2.0L

Springs: Dual High Rev

Valves: 48mm Intake by 38mm Exhaust

Casting: AA 2.0L 914

Plug Size: 14mm (Replacement Bosch Number is W8CC or NGK is B5ES.)

Bore: 94, works with 94 & 96mm Kits  

Bore: 103 works with 103, 104, & 105mm Kits 

Please Pick Bore size, and Spring Upgrade when ordering Above