JE Pistons forged pistons for VW/Audi 9A. Bore 82.5 mm, compression ratio 11.5:1, dome / dish volume +4.1 cm³, piston pin diameter 20 mm, compression...
JE Pistons forged pistons for VW/Audi 9A. Bore 83.5 mm, compression ratio 12.8:1, dome / dish volume +8.9 cm³, piston pin diameter 20 mm, compression...