Carrillo SC7656-4 Forged Piston and Ring Kit Toyota 4AG 20V 81.5mm Bore

The Carrillo SC7656-4 is a high-performance forged piston and ring kit engineered specifically for Toyota 4AG 20V engines.

Key Specifications:

• Bore: 3.209 inches (81.5mm) - +0.5mm oversize
• Stroke: 77mm
• Compression Height: 1.208 inches (30.7mm)
• Rod Length: 122mm
• Compression Ratio: 9.0:1
• Piston Head Volume: -8.7cc (dish design)
• Piston Weight: 283 grams
• Ring Grooves: 1.0mm x 1.2mm x 2.8mm
• Wrist Pin: 20mm

Features and Benefits:

• Forged aluminum construction for maximum strength and durability
• Dish piston design with three valve reliefs for optimal combustion
• Custom skirt cam and barrel designs for reduced friction
• Full radiused dome design compatible with oversized valves and high-lift camshafts
• Includes high-performance piston rings and wrist pin retainers
• Suitable for turbo, supercharger, and nitrous applications
• Accumulator grooves and double pin oilers for enhanced lubrication

CP-Carrillo pistons represent decades of engineering excellence and racing proven technology. Each piston is designed through extensive research and development, making them the ideal choice for serious performance builds on Toyota 4AG 20V engines found in applications such as the AE92 and AE101 Corolla models.