The Mahle PowerPak is a complete, race proven piston assembly kit. Pistons are composed of hand deburred, forged, performance coated pistons, high quality steel pins, round wire locks and low drag performance rings.
Piston Kit Features: *Forged from 4032 high silicon low expansion aluminum alloy for high strength and reduced piston to wall clearance. *Forced pin oiling. *22mm high quality steel wrist pins (103 grams) INCLUDED. *Precision ring grooves for INCLUDED 1.2, 1.2, 2.8mm rings.
*86.5mm Bore, 86mm Stroke, 8.5:1 Compression ratio
* Please note, If using these pistons on the AWD GTi-R Engine Effective compression ratio will be 0.2:1 lower than piston advertized ratio due to the larger GTi-R cylinder head combustion chamber.
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