I found the site these pics came from a few years ago, he does some great shots of bike engines. Daniel Peirce is a professional photographer specialising in motorcycles and cars. He works as the head of photography for Tucker Rocky and Biker’s Choice, two of the largest distributors of motorcycle parts, accessories and apparel in the USA. Daniel produces photography for their catalogues and magazine advertising.
His own web site Trick Photography is were you'll find more engine pics, click title as usual
