MAHLE 930227970 LSX Combo PowerPak Piston and Ring Kit Flat Top 4.070 Bore

The MAHLE 930227970 is a complete LSX Combo PowerPak piston and ring kit designed for Chevrolet LS engines, featuring a flat top design with 4.070-inch bore and 4.00-inch stroke compatibility. This forged 2618 aluminum alloy piston kit is engineered for high-output naturally aspirated and power-adder applications, offering exceptional detonation resistance and a combination valve pocket design compatible with LS1, LS3, and LS7 cylinder heads.

Complete Performance Package:

• Complete race-proven package includes forged pistons, low-drag performance rings, high-strength steel wristpins, and round wire locks
• Hand-deburred pistons with dry phosphate coating to protect against ring micro-welding and pin galling during initial startup
• Grafal anti-friction coating applied to piston skirts for reduced drag, friction, and wear
• Slipper skirt style forgings provide superior strength, light weight, and low drag compared to traditional full round designs

Technical Specifications:

• Bore: 4.070 inches
• Stroke: 4.00 inches
• Material: Forged 2618 aluminum alloy
• Piston Design: Flat top with combination valve pockets
• Cylinder Head Compatibility: LS1/2/6, LS7, and LS3/L92 style heads
• Phosphate coating prevents microwelding in ring grooves and pin galling, while Grafal coating reduces drag, scuffing, friction, and piston noise

This versatile shelf-stock forged piston kit features universal fit valve pockets, providing builders with exceptional flexibility whether building an LS street engine or an all-out race engine. The MAHLE PowerPak represents a complete, race-proven piston assembly engineered to exacting tolerances for superior reliability and performance.