CP-Carrillo SC7002-1 Honda B-Series 84mm Forged Piston Single

The CP-Carrillo SC7002-1 is a single forged aluminum piston designed for Honda/Acura B-Series engines built on a sleeved B18 or B20 block with a B16A or B18C head. With an 84mm bore and a 10.2:1 compression ratio, this piston is engineered for high-output naturally aspirated, forced induction, and nitrous builds. The -1 suffix denotes it is sold individually, making it ideal for replacements or custom odd-count builds.

Key Specifications:

• Bore: 84.00mm (3.307 in.)
• Stroke: 3.504 in.
• Rod Length: 5.394 in.
• Compression Height: 1.181 in.
• Piston Head Volume: +3.00cc
• Piston Style: Flat top with two valve reliefs
• Pin Diameter: 0.827 in. (21mm)
• Ring Thickness: 1.00mm x 1.20mm x 2.80mm
• Material: High-strength forged aluminum
• Compression Ratio: 10.2:1

Key Features:

• Fully CNC-machined and balanced to +/- 1 gram for precise rotating assembly balance
• Deep valve relief depth accommodates high-lift camshafts
• Custom skirt cam and barrel design for reduced friction and improved ring seal
• Accumulator grooves for enhanced ring performance under high cylinder pressure
• Double pin oilers with force-fed oil ring for superior lubrication
• Pick-lock grooves for easy wrist pin lock removal
• Wrist pin and retainers included
• Piston rings included
• Made for +1mm valve sizes
• Rated for 550+ hp applications

CP-Carrillo pistons are manufactured in the USA using proprietary tooling and 5-axis machining technology. Each piston is engineered with sophisticated computer modeling and inspected in a climate-controlled facility to ensure dimensional accuracy and consistency. The SC7002-1 is sold as a single unit — OEM cross-reference base part number: SC7002.