RaceTec Pistons Flat Top Piston; 3.631-Inch Bore, 3.650-Inch Stroke, 5.933-Inch Rod Length, 1.166-Inch Compression Height; Set of 8 (11-26 Mustang GT, Dark Horse)Find parts that fit my vehicle

Performance Enhancement. The RaceTec Pistons Flat Top Piston; 3.631-Inch Bore, 3.650-Inch Stroke, 5.933-Inch Rod Length, 1.166-Inch Compression Height; Set of 8 are engineered for high-performance modular 5.0 "Coyote" 4 Valve engines. These pistons are designed to meet the demands of increased power output while maintaining reliable precision fitment.

Construction and Appearance. Crafted from 2618 aluminum alloy, these forged pistons offer durability and heat resistance. The flat top design incorporates a -3cc crown volume to achieve a targeted compression ratio of 11.9:1 at a 57cc chamber volume. The piston features a 0.866-inch pin diameter and ring pack thicknesses of 1.5mm for the top and second rings and 3.0mm for the oil ring. The finish is a smooth bare metal surface optimized for engine performance.

Installation. Installation requires mechanical expertise and standard engine assembly tools. No additional modifications or drilling are typically necessary; however, proper engine teardown, measurement, and machine shop checks are recommended to ensure compatibility and clearances during a full rebuild or piston replacement.

Application. These pistons fit 11-26 Mustang GT, Dark Horse models, providing exact compatibility with the modular 5.0 "Coyote" 4 Valve engine configurations featured in these vehicles.

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