MAHLE 928957001 PowerPak Piston Ring Kit Big Block Chevy Bore - and 565ci 4.600

The MAHLE 928957001 PowerPak Piston and Ring Kit is a complete race-proven piston assembly designed specifically for Big Block Chevy 565 cubic inch engines. This comprehensive performance kit includes forged pistons, low-drag rings, high-quality steel pins, and wire locks—all bundled into one ready-to-install package.

Key Specifications:

• Engine Displacement: 565 cubic inches
• Bore: 4.600 inches
• Stroke: 4.25 inches
• Rod Length: 6.385 inches
• Compression Height: 1.27 inches
• Pin Diameter: 0.990 inches
• Crown Volume: -3cc (flat top)
• Compression Ratio: 9.7:1
• Set of 8 pistons with rings included

Premium Features:

• Forged from 4032 low-expansion aluminum alloy for exceptional strength and durability
• Hand-deburred pistons for smooth operation and precise fitment
• Dry phosphate coating protects against ring micro-welding and pin galling during initial startup and break-in
• Grafal proprietary anti-friction coating on piston skirts reduces drag, friction, and cylinder bore wear
• CNC precision-machined pin bores for exact tolerances
• Forced pin oiling design for increased wrist pin lubrication
• Performance ring set with 1.5mm, 1.5mm, 3.0mm configuration included

Backed by MAHLE's 95+ years of piston manufacturing expertise, this PowerPak kit delivers the reliability and performance demanded by serious engine builders and racers. The combination of advanced metallurgy, precision machining, and performance coatings makes this a drop-in solution for Big Block Chevy performance builds.