Tomei have always been known for their superior engine performance parts. There is no doubt that Tomei Forged Pistons are of highest quality and craftsmanship. For high power engines that require extreme heat resistance and lightweight response, these forged pistons can endure almost anything. Definitely to be considered one of the most important parts of a rebuild. Unlike other pistons out there, Tomei pistons do not exhibit the cold piston slap issue due to the fact that they only require a small clearance.