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Mahle Power Pak Pistons and Rings
The MAHLE Motorsports Power Pak kit
is our high volume shelf stock program developed for high performance
enthusiasts and sportsman class racers. The Power Pak pistons are
predominately made from 4032 aluminum alloy to allow for tighter
cylinder to wall clearances, and improved temperature stability. Some
applications require 2618 alloy including the Power Pak Plus category.
Each kit is complete with a set of high performance rings, containing a
low drag 1.5mm, 1.5mm, 3.0mm set.
Power Pak feature includes:
- Fully-machined crown
- Grafal anti-Friction coating on skirts*
- Phosphate-coated to reduce micro-welding and pin galling**
- Pin bores binished on CNC boring equipment
- Deburred
- High strength, light weight steel pins
- Race proven round wire locks
- Low drag ring pack
- Light weight slipper skirt forgings
* MAHLE’s GRAFAL® skirt coating reduces drag, scuffing, friction and cylinder bore wear; reduces piston noise.
**
Phosphate coating provides the grey appearance to the MAHLE piston.
This dry lubricant coating (not to be confused with a thermal film
coating) provides a lubricant film in the pin bores and ring grooves
until the oiling system of the engine reaches operating pressure;
particularly useful during the initial start-up or break-in of engines
to protect against galling and microwelding. The piston crown is still
machineable.
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