Two freshly machined aluminum cylinder heads with cam tower sadd…

Two bare aluminum cylinder heads sitting side by side on a shop bench, freshly machined with bright cutter marks and integral cam-tower saddles cut across the deck for an overhead-cam conversion. Round intake ports and threaded stud holes are visible along the near face, with a blue swarf bin and machine-shop tooling in the background.

AI caption November 2008 · Photo 240 of 455