Holley Sniper AMC Hornet Engine Parts

In honor of NASCAR's 75th anniversary, we're taking a look at a few remarkable engines that have powered our favorite racers to victory through the years.

To celebrate the upcoming 106th running of the Indianaplis 500, here's a look back at a few of the engines that have competed at the Brickyard over the years.

Engine Cylinder Numbers

Lake Speed Jr. from Total Seal Piston Rings tells us when it's acceptable to do a DIY cylinder hone at home, and when it's time to head to the machine shop.