Carrillo SC7221-4 Forged Piston and Ring Kit 86.5mm 9.0:1 CR Mitsubishi 4B11T

The Carrillo SC7221-4 is a high-performance forged aluminum piston and ring kit designed for Mitsubishi 4B11T turbocharged engines.

Key Features:

• High-strength forged aluminum construction for maximum durability
• Dish-style pistons with four valve reliefs for optimal valve clearance
• 1.313-inch compression height with 143.750mm rod length compatibility
• Fully CNC machined and balanced to within +/- 1 gram
• CP Groove technology equalizes pressure and prevents carbon buildup
• Anti-detonation grooves reduce contact and improve reliability
• Double pin oilers with force-fed lubrication from oil ring
• Accumulator groove for enhanced oiling performance

Complete Kit Includes:

• Four forged pistons
• Piston ring sets
• Wrist pins
• Circlips (pin locks)

CP-Carrillo pistons are engineered using sophisticated computer modeling and manufactured with state-of-the-art 5-axis machining equipment. Each piston undergoes inspection in a climate-controlled facility using computerized electronic equipment to ensure the highest quality standards for racing and high-performance applications.