1.6L 16v - G4GF
Manufacturers
1.6L 16v - G4GF

Forged pistons Wiseco for Hyundai G4GF 1.6L 16v: Bore 82.5-83 mm, CR 8.8:1, pin 20 mm.
Adjustable AAC pulley CATCAMS 42 teeth for Hyundai G4GF 1.6 16V.
Everything we stock for the Hyundai 1.6L 16v G4GF engine is gathered here: forged WISECO pistons, listed in two sizes, and the CATCAMS 42-tooth adjustable camshaft pulley.
Forged pistons give a modified bottom end the margin it needs once boost or compression goes up, while the adjustable pulley lets you set valve timing to the degree on the bench.
Each item is ordered by its own part number, so check the reference and the fitment against your engine before you order.