MAHLE 928973780 PowerPak Plus Forged Piston and Ring Kit Big Block Chevy 454

The MAHLE 928973780 PowerPak Plus Piston and Ring Kit is a complete, race-proven performance package engineered for Chevrolet Big Block 454 engines. This comprehensive kit includes forged aluminum pistons, low-drag performance rings, steel wrist pins, and round wire locks—everything needed for a professional-grade engine build.

Key Specifications:

• Bore: 4.280 inches
• Stroke: 4.00 inches
• Connecting Rod Length: 6.135 inches
• Domed piston design for increased compression
• Forged 2618 aluminum alloy construction

Advanced Performance Features:

• Hand-deburred forged aluminum pistons for superior strength and durability
• Proprietary Grafal anti-friction coating on skirt surfaces reduces drag, friction, and cylinder wear
• Phosphate dry lubricant coating protects against ring micro-welding and pin galling during initial startup
• Low-drag slipper skirt design for reduced weight and improved oil control
• CNC-machined pin bores for precise tolerances
• Machined ultra-flat ring grooves for improved sealing and minimized parasitic drag
• MAHLE low-drag performance ring package included

Designed for high-performance enthusiasts and sportsman class racers, this PowerPak Plus kit delivers unmatched consistency and reliability for circle track, drag racing, and high-performance street applications. The combination of advanced materials, precision machining, and proven coatings makes this an ideal choice for serious engine builders seeking maximum performance.