Customizing isn't a fad that died with the 'Fifties. It is still with us and going strong. The lead sleds of yesteryear are few and far between, but restyling in general is as common as mag wheels.

A piston is anything but a slug. It's asked to withstand the cylinder pressures generated by 200,000,000 power strokes (in its 100,000-mile lifetime), slide in bores with a minimal amount of ...