MAHLE 930226870 PowerPak LS Forged Piston Kit Bore Flat Top - 377ci 4.070

The MAHLE 930226870 PowerPak piston kit is a complete, race-proven forged piston assembly designed for high-performance LS engine builds displacing 377 cubic inches. Developed for high performance street, sportsman and pro class racers, this kit delivers the reliability and performance demanded by naturally aspirated and power adder applications.

Key Specifications:

• Bore: 4.070 inches
• Stroke: 3.622 inches
• Rod Length: 6.125 inches
• Compression Height: 1.304 inches
• Pin Diameter: 0.927 inches
• Piston Weight: 468 grams
• Compression Volume: -5.8cc (Flat Top)
• Compression Ratio: 10.2:1
• Displacement: 377 cubic inches

Construction and Features:

• High-strength 2618 aluminum alloy with slipper skirt forging for increased detonation resistance
• Hand-deburred, forged pistons with phosphate dry lubricant coating to protect against ring micro-welding and pin galling during initial startup
• MAHLE's proprietary Grafal anti-friction coating on piston skirts reduces drag, scuffing, friction and cylinder bore wear
• High-quality steel pins and round wire locks included
• Low-drag performance ring set included
• Flat top piston design with -5.8cc volume

This complete PowerPak kit includes everything needed for a professional-grade piston assembly, from the forged pistons to rings, pins, and locks. The 2618 alloy construction provides superior strength for demanding applications including forced induction, while the advanced coating technology ensures long-term durability and reduced friction. Ideal for LS engine builders seeking maximum performance and reliability in street/strip or racing applications.