The Mahle PowerPak pistons are a race proven lightweight forged design that are complete with rings, wrist pins and locks. They are also completely phosphate coated plus feature an anti-friction Grafal skirt coating. PowerPak pistons are made from 4032 aluminum alloy to allow for tighter cylinder to wall clearances, and improved temperature stability.
- Forged piston for performance applications
- Lightweight slipper kirt forgings
- Fully-machined crown
- Grafal anti-Friction coating on skirts
- Phosphate-coated to reduce micro-welding and pin galling
- Pin bores finished on CNC boring equipment
- Deburred
- High strength, light weight steel pins
- Race proven round wire locks
- Low drag ring pak
- 1.5mm, 1.5mm, 3.0mm file fit performance ring set is included
For 383 c.i. S/B Chevy (4.000" bore x 3.75" stroke). Choose oversize diameter needed.
PowerPak Piston Chart (GIF)