Speed-Pro Hypereutectic Pistons - H1129CPA50MM

Upgrade your engine's performance with the Sealed Power 8 PK Set Cast Pistons, designed for a precise fit in GMC, Chevrolet, Cadillac, Hummer, and Pontiac models from 2008 to 2019.

• Durable Coatings: Features DuroOshield® coated skirts and Thermoshield coating on the head for enhanced wear resistance and thermal protection.
• Precision Engineering: Crafted from hypereutectic aluminum, these pistons provide exceptional strength and stability under high temperatures.
• Flat Top Design: The flat top style without valve reliefs ensures optimal compression and efficiency for your engine.
• Complete Set: Sold as a set of 8, these pistons are perfect for a complete engine rebuild or upgrade.
• Easy Installation: Designed with a floating wrist pin style, they offer straightforward installation for a hassle-free upgrade.

With a bore of 4.020 inches and a stroke of 3.622 inches, these pistons are engineered for stock engine strokes, making them an ideal choice for your performance needs.

Choose Sealed Power for reliable and high-quality engine components.