Carrillo SC7539-4 Forged Piston & Ring Kit Mazda 2.3L DISI MZR 88mm Bore

The CP-Carrillo SC7539-4 is a complete forged piston and ring kit designed for the Mazda 2.3L DISI MZR engine.

Each piston features a dish-top design with two valve reliefs and is precision-machined from high-strength forged aluminum. The -14.5cc dish volume allows builders to fine-tune compression ratios for a variety of forced-induction setups. Piston rings are included with every kit.

Key Specifications:

• Bore Diameter: 88.00mm (3.465 in.)
• Stroke: 94.00mm
• Rod Length: 150.55mm
• Compression Height: 1.280 in.
• Piston Head Volume: -14.5cc (dish with two valve reliefs)
• Pin Diameter: 0.866 in. (22mm)
• Wrist Pin Style: Press-fit or floating
• Ring Thickness: 1.00mm x 1.20mm x 2.80mm
• Material: Forged aluminum

CP-Carrillo manufactures these pistons at their Irvine, California facility using state-of-the-art 5-axis CNC machining and sophisticated computer modeling. Each piston undergoes rigorous multi-step quality inspection in a climate-controlled environment to ensure consistent tolerances and reliable performance. Whether building for the street, track, or drag strip, the SC7539-4 delivers the precision fitment and strength that CP-Carrillo is known for throughout motorsports.