ACDelco Piston Asm-(w/ Pin & Cmprn & Oil Ring)(rh) - 12686351

Upgrade your engine's performance with the ACDelco Piston Assembly, designed specifically for the passenger side to ensure optimal efficiency and reliability.

• Precision Engineering: Crafted from durable cast aluminum for enhanced strength and longevity.
• Designed for Performance: The dome style with two valve reliefs allows for improved airflow and combustion efficiency.
• Complete Package: Includes piston rings to provide a reliable seal and optimal engine compression.
• Seamless Fit: With a bore of 3.701 inches and a rod length of 5.940 inches, this piston is engineered for a perfect fit in your GM vehicle.
• Stock Engine Compatibility: Designed for stock engine strokes, ensuring you maintain the original performance characteristics of your vehicle.

With a bore diameter of 94mm and a pin diameter of 0.945 inches, this piston assembly meets high standards for quality and performance. Choose ACDelco for a dependable replacement that keeps your engine running smoothly.