MGB CYLINDER HEAD 12H4736 (BIG VALVE) with some port work done and unleaded converted. Took off a car that I'm converting to V8. Previous owner said he'd had the the head converted to unleaded and while they were at it they did some port work to it. Engine drove amazing and very responsive with plenty of power from low-revs. Collection is preferred due to the weight. The item "MGB CYLINDER HEAD 12H4736 (BIG VALVE) with some port work done and unleaded" is in sale since Monday, October 26, 2020. This item is in the category "Vehicle Parts & Accessories\Car Parts\Other Car Parts". The seller is "icecoldinc" and is located in…