Carrillo SC7512-1 Forged Piston Ring Set Mini Cooper S - 78mm

The Carrillo SC7512-1 is a high-performance forged aluminum piston and ring set designed for Mini Cooper S applications with the Tritec 1.6L engine. This single piston kit features a 78mm bore size (+1.0mm oversize) with an 8.3:1 compression ratio, making it ideal for naturally aspirated, turbocharged, supercharged, and nitrous oxide applications.

Key Specifications:

• Bore: 3.071 inches (78mm) - +1.0mm oversize
• Compression Ratio: 8.3:1
• Compression Height: 1.043 inches (26.49mm)
• Piston Material: 2618 forged aluminum alloy
• Piston Style: Dish design with no valve reliefs
• Rod Length: 131.5mm
• Pin Diameter: 21mm
• Ring Size: 1.0mm / 1.2mm / 2.8mm
• Piston Head Volume: +2.20cc

Performance Features:

• Fully CNC-machined and balanced to +/- 1 gram for maximum precision
• Custom skirt cam and barrel design for tighter clearances and better ring seal
• Double pin oilers for enhanced wrist pin lubrication
• Accumulator grooves for improved oil control
• Pick lock grooves for easy circlip removal
• Compatible with oversized valves and high-lift camshafts
• Wrist pins included at no additional cost

CP-Carrillo pistons are engineered using advanced computer modeling and manufactured with 5-axis CNC machining for superior quality and tight tolerances. Each piston is designed to withstand the extreme demands of high-performance racing applications while maintaining reliability and durability. Sold individually with piston rings included.