For all VW Golf 4, Jetta 4, New Beetle and Audi A4 & TT models using 1.8T engines. Designed to retain stock 86.4mm crank stroke and 144mm connecting rod length. Available in std. or larger bore sizes to increase displacement. Also available with low & high compression ratios depending on boost levels used. Piston weights range from 300-310 grams! Prices for the Volkswagen Piston Kit include pistons, rings, wrist pins and clips. Note: Oversize JE forged pistons require boring the cylinder block.