Mahle 1.8T 20V Stroker Piston Set: 83MM Bore, 9.0:1 CR, 92.8MM Stroke
This is a set of extremely high quality Mahle PowerPack pistons for the 1.8t 20v engine. Mahle Powerpack pistons are extremely high quality pieces which provide improvements in strength over OEM pistons without some of the sacrifices sometimes found in other forged pistons. Mahle Powerpack pistons are precision forged from 4032 alloy, a low expansion rate aluminum. They all feature forged side reliefs, reducing the weight of the overall package. They also use slipper skirt designs, reducing friction and further reducing weight. Mahle PowerPack pistons feature ultra flat ring grooves, which promote excellent ring seal and most importantly reduce the chances of micro-welding during break in. Every set of Mahle PowerPack pistons comes with their exclusive Grafal skirt coating, which is not only anti-friction but also offers impact absorbing qualities, reducing piston noise and decreasing stresses in the piston skirt.
Mahle PowerPack Pistons are an excellent choice for those looking for increases in strength while maintaining a lightweight piston with oem fit and finish. They have 20mm wrist pins so they will require a set of rods with 20mm pins to match.
CUSTOM MADE TO IE SPECIFICATIONS FOR 92.8MM STROKE CRANKSHAFTS.
83mm Bore, 92.8mm stroke.
Use with 144mm Rod
9:1 Compression ratio
COMPLETE WITH RINGS AND PINS
These will not fit in the TT 225 blocks, due to clearance issues. The oil squirters are in different locations in those blocks.
Posted by Nate on 27th Mar 2014
Pistons are weight matched perfect. Easy to install after boring no prep work. Even rings are perfectly gaped. Well worth every penny. PowerPak is definatelly the way to go. Smaller ring sizes give less drag. Matched with a set of IE rods. Pin to pin bore were right on needed no prep work.
However the packaging could have been better. They are loosely packaged. They should be packaged so they are protected and kept from sliding and bouncing around in the box. Even the lttle bags they put them in were wore through from slinding around in the box. I give 4 stars because of packaging. 5 otherwise.