Wiseco VW/Audi Turbo Conversion 20V Cyl Head 82.5mm Bore 8.5 CR Pistons (Inc Rings)

If you're building a high-performance turbo engine for your VW or Audi 1.8L 20V, these forged pistons from Wiseco are a solid choice. They're designed specifically for turbo conversions, meaning they can handle the extra stress and heat that comes with boosted performance. This set is for an 82.5mm bore with a compression ratio of 8.5:1, which is a common target for boosted applications where you want to run more boost safely.

Wiseco makes these pistons in the USA from 2618 aluminum, a well-known material for its strength and ability to withstand high temperatures. They come with precision-machined ring grooves, anti-detonation grooves, and features to help seal the rings better, all crucial for keeping combustion pressure where it belongs. The crown of the piston is also fully machined, and they feature forced pin oiling to ensure the wrist pins stay well-lubricated under demanding conditions. Plus, they include an ArmorGlide skirt coating that helps reduce friction and noise, while also resisting seizure.

This set includes the pistons, premium rings, and is designed to fit a range of popular VW and Audi models from the late 90s and early 2000s, like the Audi TT, VW Golf, and VW Jetta. They're built for heavy to severe duty race applications, so you know they're made to last when you're pushing your engine hard. Keep in mind these are not CARB approved and cannot be shipped to California.