Wiseco Piston Set 99.75mm Bore WRX 2006-2014 / STI 2004-2021 Subaru Turbo Models | K598M9975AP

These Wiseco piston sets are crafted from dedicated 2618 alloy forgings. They come with offset wrist pins, nitrided/napier steel rings, skirt coatings, and complex dish and dome designs. Special skirt profiles and other features ensure long - lasting performance and power for boosted and nitrous engines. The compression ratio is 8.9:1, and the bore size is 99.75mm. The set includes wrist pins, pistons, and rings.

Using this Wiseco piston set is straightforward. First, make sure your engine is clean and in good condition before installation. When installing, handle the pistons carefully to avoid any damage to the skirt coatings. Follow the standard engine assembly procedures to install the wrist pins, pistons, and rings properly. As for maintenance, regularly check the engine oil level and quality. Change the oil according to the manufacturer's recommendations to keep the pistons lubricated. Also, keep an eye on the engine's performance. If you notice any unusual noises or power loss, it's a good idea to inspect the piston set. With proper use and maintenance, this piston set will serve you well and keep your engine running smoothly.