MAHLE 930210440 PowerPak Forged Piston Set SBC 384ci 4.040 Bore 3.750 Stroke 9.0:1 CR

The MAHLE 930210440 PowerPak forged piston set is engineered for high-performance small block Chevy applications displacing 384 cubic inches. These pistons are precision-machined from premium 4032 aluminum alloy, offering an optimal balance of strength, thermal expansion control, and durability for street and racing engines.

Engine Specifications:

• Displacement: 384 cubic inches
• Bore: 4.040 inches
• Stroke: 3.750 inches
• Connecting Rod Length: 5.700 inches
• Compression Ratio: 9.0:1
• Dome Volume: -26cc (dish)

Piston Features:

• Wrist Pin Diameter: 0.927 inches
• Compression Height: 1.425 inches
• Piston Weight: 455 grams (each)
• 4032 aluminum alloy construction for superior strength-to-weight ratio
• Dished design for optimized combustion chamber efficiency
• Precision CNC-machined for exact tolerances and perfect balance

This complete set includes 8 pistons with premium wrist pins and locks. MAHLE's PowerPak pistons feature advanced skirt profiles and ring groove geometries that reduce friction while maintaining excellent cylinder seal. Ideal for street performance, bracket racing, and engine rebuilds requiring reliable power output with pump gas compatibility.