Carrillo SC7642-1 CP Forged Piston VW/Audi 83.50mm Bore Single

The CP-Carrillo SC7642-1 is a single forged aluminum performance piston engineered for Volkswagen and Audi engines. Part of CP-Carrillo's renowned CP Pistons line for European applications, this piston is precision-manufactured to exacting tolerances for use in high-performance street and competition builds.

Key Specifications:

• Bore Diameter: 83.50mm (3.287 in.) — Standard bore
• Compression Height: 1.165 in. (29.6mm)
• Rod Length: 144.00mm
• Stroke: 92.80mm
• Piston Head Volume: -12.30cc (dish style)
• Piston Style: Dish with two valve reliefs
• Piston Material: Forged aluminum
• Wrist Pin Style: Press-fit or floating
• Pin Diameter: 0.826 in.
• Ring Thickness: 1.00mm x 1.20mm x 2.80mm

What's Included:

• One (1) single piston — order the required quantity for your application
• Piston rings included
• Wrist pin included
• Wrist pin retainers included

Features & Benefits:

• Fully CNC-machined and balanced to +/- 1 gram for precise fitment
• Deep valve reliefs to accommodate high-lift camshafts
• Large valve reliefs for +1mm valve sizes
• Custom skirt cam and barrel design for reduced friction and improved ring seal
• Accumulator grooves for improved ring stability and oil control
• Double pin oilers force-fed from oil ring groove for superior wrist pin lubrication
• Pin lock grooves for easy snap ring removal
• High-performance ring package included
• Manufactured at CP-Carrillo's state-of-the-art facility in Irvine, California, USA

CP-Carrillo's SC7642-1 piston undergoes multi-step inspection processes including dimensional validation and quality control checks, ensuring every component meets the high standards demanded by performance engine builders. Sold individually — the "-1" suffix denotes a single piston.