Carrillo SC7540-4 Forged Piston and Ring Set for Mazda BP 1.8L 83mm Bore

The Carrillo SC7540-4 is a high-performance forged piston and ring kit designed for Mazda BP 1.8L engines. This complete set includes four pistons with rings, engineered for enthusiasts building engines with demanding turbo, supercharger, or nitrous applications.

Key Specifications:

• Bore Size: 3.268 inches (83.0mm)
• Compression Height: 1.208 inches
• Stroke: 85.0mm
• Rod Length: 133.0mm
• Compression Ratio: 9.0:1
• Dome Height: 0.062 inches (-1.10cc volume)
• Piston Style: Dome with four valve reliefs
• Material: 2809 aluminum alloy forging
• Approximate Weight: 310 grams per piston (bare)

Premium Features:

• Deep valve reliefs accommodate high-lift camshafts and oversized valves
• Accumulator grooves for enhanced oil control
• Dual forced pin oilers fed from oil ring groove
• Fully CNC machined and balanced to +/- 1 gram
• Wrist pins and pin locks included
• Custom skirt cam and barrel design
• High-performance ring package included

Manufactured in Irvine, California using state-of-the-art 5-axis machining and proprietary tooling, each CP-Carrillo piston is engineered with sophisticated computer modeling for optimal performance and durability. The climate-controlled inspection process ensures precision quality control.