CP-Carrillo SC7003-1 Sport Compact Honda B-Series Forged Piston with Rings 84.5mm Bore Single

The CP-Carrillo SC7003-1 is a single forged aluminum piston with rings from CP-Carrillo's Sport Compact shelf line, purpose-built for high-performance Honda and Acura B-series engine applications. With a 84.5mm (3.327 in.) bore, flat-top design with two valve reliefs, and a compression height of 1.181 in., this piston delivers precision fitment for sleeved B18 or B20 blocks paired with B16A or B18C heads.

Key Specifications:

• Bore: 84.5mm (3.327 in.)
• Piston Style: Flat top with two valve reliefs
• Compression Height: 1.181 in.
• Piston Head Volume: +3.00cc
• Rod Length Compatibility: 5.394 in. (137–138mm)
• Stroke Compatibility: 87.2/89mm
• Wrist Pin Diameter: 0.827 in. (21mm)
• Ring Pack: 1.00mm x 1.20mm x 2.80mm
• Material: High-strength forged aluminum
• Quantity: Single piston with rings included

Key Features:

• Fully CNC-machined and balanced to +/- 1 gram for exceptional consistency
• Custom skirt cam and barrel design reduces friction and improves ring seal
• Deep valve relief depth accommodates high-lift camshafts and oversized valves (+1mm)
• Accumulator grooves for improved ring seal under boost
• Double pin oilers with force-fed oil ring design
• Pick lock grooves for easy lock removal during assembly
• Wrist pin and pin locks included

Part of CP-Carrillo's extensive Sport Compact shelf line, the SC7003-1 is engineered using sophisticated computer modeling and manufactured in-house in Irvine, California. It is an ideal choice for naturally aspirated, turbocharged, and high-compression Honda B-series builds demanding race-grade internal engine components.