Welcome to HorsePower by Gerolamy
A full-service machine shop, specializing in cylinder heads
Nathan Gerolamy
Head Machinist
Nate is a second-generation machinist, specializing in performance cylinder heads for high horsepower applications. He is an expert in race application cylinder head building and modification for performance. This includes porting, polishing, valve grinding, resurfacing, machining and much more. He has done work on many competition race cars with great success at the track and even at the Bonneville Salt Flats. Nate also works with shops and individuals on cylinder head modifications for Harley Davidson motorcycles. This is an area that sets him apart from your run-of-the-mill machine shop. The Harley work is very specialized and geared to accommodate the needs of individuals and motorcycle shops alike.
Nathan Gerolamy
Head Machinist