JE Pistons ACURA K209:1 87.0KIT Set of 4 Pistons

If you're rebuilding the engine in your Acura K-series vehicle for serious performance, a set of forged pistons like these from JE Pistons is a critical component. These aren't just off-the-shelf parts; they're built with over 75 years of racing experience behind them, designed specifically for high-demand applications where durability and consistent power are essential. They're forged and machined right here in the USA, using 2618 aluminum, which gives them the high tensile strength needed to handle the stresses of performance tuning and racing.

What sets these pistons apart is their advanced design. You get JE's proprietary Forged Side Relief (FSR) forging, which helps minimize friction and weight by using a shorter wrist pin and reduced skirt width. Depending on your specific application, you might also find an accumulator groove, which helps control combustion pressure for better ring seal and consistent power delivery. Some applications also include a skirt coating to further reduce friction and noise, while also cutting down on wear. This kit comes complete with high-quality wrist pins, locks, and JE's Pro Seal premium piston rings, so you have everything you need to get your engine back together and performing at its best.

Keep in mind that these pistons are not CARB approved and cannot be shipped to California. For any performance engine build, using pistons designed for the specific engine and intended use is key to achieving both the power you want and the reliability you need. These JE Pistons are a solid choice for that goal.