Efficient Compression and Combustion. Improve your Jeep’s fuel and air compression with this Piston & Pin. Crafted from high-quality materials, this piston and pin combo will help your Jeep’s engine better compress the fuel-air mixture. The overall result is more efficient combustion. You can use this piston on your Jeep whether it’s using a stock or aftermarket engine as long as it’s a 4.2L.

High-Quality Aluminum-and-Steel Build. Manufacturer used a combination of steel and aluminum to construct this piston and pin. This ensures strength and durability in a lightweight frame. Moreover, this components are measured using OE specs for a guaranteed OE-quality fit. This is important in forming a perfect seal to achieve the correct amount of pressure.

Hassle-Free Installation. This piston and pin kit is designed for a perfect fit on your Jeep. Note that the engine requires a total of 6 pistons. Individually, you can remove and replace a piston in under 30 minutes. While you can perform this process on your own, it’s ideal to take your Jeep to an auto shop and have a professional install the parts.

Backed by a 1-Year or a 12,000-Mile Warranty. Manufacturer guarantees that this piston and accompanying pin will be free from any defects for 1 year or 12,000 miles. Please get in touch with contact customer support for more details or questions regarding the warranty terms and conditions.

Application. This Piston & Pin can be used with 1987-1990 editions of the Jeep Wrangler YJ equipped with a 4.2L engine.

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