Carrillo SC7521-4 Forged Piston and Ring Kit Ford Duratec 2.0L 88mm Bore

The CP-Carrillo SC7521-4 is a premium forged aluminum piston and ring kit engineered specifically for Ford Duratec 2.0L engines. This high-performance piston set features a dish design with no valve reliefs, making it ideal for non-variable valve timing applications in 2005 and later Duratec engines.

Key Specifications:

• Bore Size: 3.465 inches (88.0mm) - +0.5mm oversize
• Compression Ratio: 8.5:1
• Compression Height: 1.122 inches
• Stroke: 83.10mm
• Rod Length: 146.25mm
• Piston Head Volume: +16.50cc dish
• Wrist Pin Diameter: 0.827 inches
• Forged 2618 aluminum construction

Complete Kit Includes:

• Complete piston ring set (1.0mm top ring, 1.2mm second ring, 2.8mm oil ring)
• Wrist pins and retainers

Performance Features:

• Anti-detonation grooves to protect the top ring and reduce cylinder contact
• Accumulator groove to collect excess blow-by and improve ring seal
• Constant Pressure (CP) groove for optimized gas flow and carbon prevention
• Double pin oilers for enhanced wrist pin lubrication
• Precision cam and barrel profile for tighter clearances and reduced noise
• 5-axis CNC machined for extreme precision and consistency

CP-Carrillo pistons are manufactured in the USA using proprietary tooling and state-of-the-art CNC equipment. Each piston undergoes rigorous quality control inspection in a climate-controlled environment to ensure the tightest tolerances in the industry. Suitable for turbocharger, supercharger, and nitrous oxide applications, these pistons are designed to withstand the extreme demands of high-performance and racing engines.