Wiseco forged piston kits for turbocharged Mitsubishi 3000GT and Dodge Stealth. These kits come in 3 different bore sizes (91.5mm, 92mm, and 92.5mm), which include pistons, piston rings, and wrist pins. This is the piston set we most commonly use in our builds here at the shop. We recommend contacting your local machine shop before ordering to ensure you order the correct size. Stock bore is 91.1mm on these engines, but with mileage and engine failures, you may need a size larger than you realize. We always recommend going with the smallest size possible so that you can service the block again in the future. When installing these on stock rods, it is important to have a machine shop do the install.