Mahle PowerPak Piston and Ring Kit

Mahle PowerPak Piston and Ring Kit - 930285417T

Elevate your Subaru WRX STI H4 2.5L's engine performance with the Mahle PowerPak Piston and Ring Kit, specifically engineered for 2015-2021 models. This all-inclusive kit is essential for any engine rebuild or upgrade, allowing you to maximize your vehicle's potential on both the street and the track.

Key Features

• Constructed with forged pistons for unmatched strength and longevity.
• Low-drag rings enhance efficiency, translating to improved throttle response.
• Complete with steel pins and wire locks for a hassle-free installation.
• Pistons are meticulously hand-deburred and coated with dry phosphate to minimize ring micro-welding and pin galling during startup.
• Incorporates proprietary Grafal anti-friction coating on piston skirts to reduce friction and wear.
• Features a thermal barrier coating for superior heat management, ensuring optimal performance under stress.

Specifications

• Bore: 99.50 mm
• Compression Height: 30.7 mm
• Stroke: 79.0 mm
• Rod Length: 130.5 mm
• Pin Diameter: 23 mm
• Crown Volume: -14.3cc
• Piston Mass: 403g
• Compression Ratio: 9.0
• Piston Material: 2618, Forged Aluminum
• Quantity: Sold as a complete kit.

Fitment

• Compatible with Subaru WRX STI H4 2.5L models (2015-2021)

Customer Feedback

Owners rave about the Mahle PowerPak Piston and Ring Kit, noting significant increases in horsepower and torque after installation. Many have experienced smoother engine operation and highlighted the kit's ease of installation as a standout feature, making it a go-to choice for both casual and serious enthusiasts.

Important Note

• Image is a representation of this item; actual item may vary.

Closing Summary

Whether you're focused on daily driving or pushing the limits on the track, the Mahle PowerPak Piston and Ring Kit delivers consistent performance and exceptional build quality, making it a worthy addition to any enthusiast's setup.