Carrillo SC7136-4 Honda B-Series Forged Piston and Ring Kit 81.5mm

Designed with a dome profile and four valve reliefs, these pistons are built for high-revving performance in naturally aspirated and nitrous-fed applications.

Key Specifications:

• Bore: 3.209 in. (81.500mm)
• Compression Height: 1.195 in.
• Dome Height: 0.135 in.
• Piston Head Volume: -3.60cc
• Piston Style: Dome with four valve reliefs
• Piston Material: Forged aluminum
• Wrist Pin Diameter: 0.827 in.
• Wrist Pin Style: Press-fit or floating
• Top Ring: 1.0mm Steel
• Second Ring: 1.2mm Cast Iron
• Oil Ring: 2.8mm

Key Features:

• Full radius dome design for optimized combustion efficiency
• Deep valve relief depth accommodates high-lift camshafts
• Made for +1mm valve sizes
• Custom skirt cam and barrel design for reduced friction and improved ring seal
• Accumulator grooves for enhanced oil control
• High-strength forged aluminum construction
• Fully CNC-machined and balanced to +/-1 gram per set
• Wrist pins included at no additional cost
• Double pin oilers with force-fed oil ring
• Pick lock grooves for easy lock removal
• Pin fitting included
• Compatible with nitrous and naturally aspirated applications
• Works with B16A, B18A, B18B, and B18C cylinder heads

CP-Carrillo's state-of-the-art, climate-controlled inspection department and 5-axis machining capability ensure each piston meets the highest dimensional standards. Every kit includes rings and wrist pin hardware, making the SC7136-4 a complete solution for your Honda B-Series performance engine build.