Carrillo SC7015-4 Forged Piston Kit Honda B-Series 81mm Bore 9.8:1 Compression

The Carrillo SC7015-4 is a high-performance forged aluminum piston and ring kit designed for Honda B-Series engines. This precision-engineered 4-piston set features an 81mm standard bore size with a 9.8:1 compression ratio, making it ideal for street performance and forced induction applications.

Key Specifications:

• Bore: 3.189 inches (81.00mm) - standard size
• Compression ratio: 9.8:1
• Compression height: 1.181 inches (30.0mm)
• Piston style: Flat top with four-valve reliefs
• Rod length compatible: 138mm or 137mm
• Stroke: 87.2mm/89mm
• Piston head volume: +3.0cc
• Ring pack: 1.0mm x 1.2mm x 2.8mm
• Wrist pin: 21mm, press-fit or floating style

Features:

• Forged aluminum construction for exceptional strength and durability
• Wrist pin retainers included
• Compatible with B16A, B18A, B18B, and B18C cylinder heads
• Suitable for turbo, supercharger, nitrous, and naturally aspirated builds
• Engineered using advanced computer modeling for optimized design
• Manufactured with CP-Carrillo's state-of-the-art 5-axis machining technology

CP-Carrillo pistons are precision-manufactured in the USA using proprietary tooling and dedicated cutters to meet the demanding standards of professional engine builders. Each piston undergoes rigorous inspection in a climate-controlled facility using computerized electronic equipment to ensure consistent quality and performance. Whether you're building a high-revving naturally aspirated engine or a boosted street machine, the SC7015-4 delivers the reliability and power you need.