Carrillo SC7515-1 Forged Piston & Ring Set for Mini Cooper S N14 1.6L

The Carrillo SC7515-1 is a high-performance forged aluminum piston and ring set designed specifically for Mini Cooper S N14 Prince 1.6L engines. This single piston kit features a domed design with two valve reliefs and is built to handle turbo, supercharger, and nitrous oxide applications.

Key Specifications:

• Bore: 3.031 inches (77.0mm) - Standard size
• Compression Ratio: 10.5:1
• Compression Height: 1.122 inches (28.5mm)
• Stroke: 85.8mm
• Rod Length: 138.5mm
• Piston Head Volume: -0.2cc (dome)
• Wrist Pin Diameter: 0.787 inches
• Piston Material: High-strength forged aluminum
• Piston Ring Thickness: 1.00mm x 1.20mm x 2.80mm

Features & Benefits:

• Fully CNC-machined and balanced to +/-1 gram for optimal performance
• Deep valve relief depth accommodates high-lift camshafts
• Designed for +1mm oversized valve applications
• Custom skirt cam and barrel design for reduced friction
• Accumulator grooves for improved oil control
• Gas nitrided steel top ring and cast iron second ring for durability
• Press-fit or floating wrist pin style with retainers included
• File-fit rings for precise installation
• Complete kit includes piston, rings, wrist pin, and locks

CP-Carrillo pistons are engineered using sophisticated computer modeling and manufactured with state-of-the-art 5-axis machining equipment. Each piston is produced to exacting tolerances in a climate-controlled facility, ensuring consistent quality and performance for high-performance and racing applications.