Increases power

specifically for the M20B20

25mm Exhaust   Hot Street  283° Intake / 274° Exhaust   11

20-1990-03

(3 to 4 capfuls) per quart for small cooling systems

Mahle Motorsport PowerPak Piston Set, BMW N54 Compression Ratio:10.2:1 Increases powerThe MAHLE Motorsport PowerPak kit is their high volume shelf stock program developed for high performance enthusiasts. These PowerPak pistons are made from 2618 alloy to allow for increased detonation resistance. PowerPak Features: Forged piston for performance applications Fully machined crown Grafal anti Friction coating on skirts reduces drag, scuffing, friction and cylinder bore wear; reduces piston noise. Phosphate coated to reduce micro welding