Carrillo SC7254-4 Forged Piston & Ring Kit 86mm 4G63 Stroker

This kit delivers race-proven strength and precision fitment for forced induction and power-adder applications.

Each piston features a dish-style crown with four valve reliefs, providing optimal clearance in high-lift, high-compression configurations. The kit is engineered for second-generation 7-bolt 4G63 blocks and is compatible with turbocharged, supercharged, and nitrous oxide applications.

Key Specifications:

• Bore Diameter: 86.00mm (3.386 in.)
• Compression Height: 1.134 in.
• Piston Head Volume: -22.50cc (dish)
• Piston Style: Dish with four valve reliefs
• Piston Material: Forged aluminum
• Rod Length: 150.00mm
• Stroke: 100.00mm (stroked)
• Wrist Pin Diameter: 0.866 in.
• Wrist Pin Style: Press-fit or floating
• Ring Pack: 1.00mm x 1.20mm x 2.80mm
• Top Ring Material: Steel, gas nitrided facing
• Second Ring Material: Cast iron

Kit Includes:

• 4 forged aluminum pistons
• Piston rings (complete set)
• Wrist pins
• Wrist pin retainers

CP-Carrillo pistons are manufactured using proprietary tooling, dedicated cutters, and 5-axis machining for uncompromising dimensional accuracy. Each piston is engineered via sophisticated computer modeling and inspected in a climate-controlled facility to meet the most demanding performance standards.