This is a set of brand new 90mm type 4 "Flat Top" pistons and cylinders for the 1.7-liter stock 66mm stroke engine. The flat top kit is for lower compression builds, Being one of the only kits left on the market for the 1.7L this kit gives you the ability to rebuild your old 1.7L without having to replace everything. 

Engine size: 1700cc

Stroke: 66mm stroke pistons

Cylinders: Cast Iron

Pistons: Hypereutectic aluminum alloy

Compression Height: 42mm

Set includes: 4 pistons, 4 cylinders, 4 pins and a set of rings

Part # VW9000T4F