They feature the large 49mm intake valves and 41.5mm exhaust valves and 39mm intake ports, 35mm exhaust ports. These were also used on Euro 80-83 911SCs. These cylinder heads were fully refurbished by Ollie’s many years ago and the engine they came off was rebuilt with another set of modified twin plug heads. Please check out our store for many rare or hard to find Porsche parts. The item “Porsche 911SC Big Port Cylinder Heads 1978 1979 Rebuilt 39mm Large Intake Ports” is in sale since Monday, July 1, 2019. This item is in the category “eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Other”. The seller is “bengel512″ and is located in Corry, Pennsylvania. This item can be shipped worldwide.
- Modified Item: No
- Interchange Part Number: 930.104.029.08
- Manufacturer Part Number: 930.104.019.05
- Other Part Number: 930.104.019.08
- Brand: Porsche
- Fitment Type: Direct Replacement
- Warranty: No Warranty