These Manley pistons are perfect for Subaru WRX enthusiasts from 2002 - 2005. Whether you're into daily driving or high - performance racing, these pistons can handle it. They have a 75mm STD stroke and a 92.5mm +0.5mm bore, which are great for optimizing engine performance. If you're someone who wants to boost your car's power and durability, these pistons are a must - have.