MAHLE 930229605 Forged Piston Bore Stroke CR Pistons - 2618 403cid 4.005 4.000 13.7 1

The MAHLE 930229605 is a high-performance forged piston designed for serious 403 cubic inch engine builds. Manufactured from 2618 aluminum alloy, this piston is engineered for high-horsepower and forced-induction applications where strength and thermal stability are critical.

Key Specifications:

• Displacement: 403 CID
• Bore Diameter: 4.005 inches
• Ring Carrier Height (RCH): 1.110 inches
• Stroke: 4.000 inches
• Rod Length: 6.125 inches
• Pin Diameter: 0.927 inches
• Combustion Chamber Volume: 9.2cc
• Piston Weight: 456 grams
• Compression Ratio: 13.7:1
• Alloy: 2618 Forged Aluminum

2618 forged aluminum is the preferred material for racing and high-stress engine applications, offering superior tensile strength and fatigue resistance compared to standard 4032 alloy pistons. The 9.2cc dish volume and 13.7:1 compression ratio make this piston well-suited for high-performance naturally aspirated competition builds. MAHLE's precision manufacturing ensures consistent weight matching and dimensional accuracy for optimal engine balance and longevity.