Forged Pistons G4KF G4KH 86mm CR9.51 Compatible With Coupe 2.0T 2.0L Theta

4 pcs forged pistons with pins and rings for G4KF/G4KH 2.0T 2.0L Theta engines.Contains: piston x 4, piston pin x 4, pin lock x 8, piston ring set x 4 cylinders.Piston material: 4032 aluminum , higher silicon content than 2618, lower noise, higher tensile strength, lower thermal expansion coefficient.Pin hole tolerance: ±0.001 mm.Diameter tolerance: ±0.005 mm.Skirt-to-cylinder clearance: 0.04–0.06 mm.Features: molybdenum coating on piston skirts to reduce friction against cylinder walls; oil holes in pin bores for improved piston pin lubrication at temperature and rpm; lightweight design; optimized mass center.Rings manufactured in Taiwan.Fitment: Coupe 2009–2012, N (2021–present), i30 N (2018–present), Kona N (2021–2023), Santa Fe (2012–2020), Sonata (2009–2019), N (2018–2022), KX7 (2016–2021), Optima (2011–2019), (UM) (2015–2020), (2011–2021).Specifications: HYD-022M, bore size 86 mm, compression ratio 9.5:1, compression height 29.5 mm, pin diameter 22 mm, overall height 52.5 mm, ring thickness 1.0 + 1.2 + 2.8 mm, rod length 146.2 mm, piston weight 310 g.Compatibility Clarification: This part is not made by the brand.Mentioned models are for reference only.

• Designed for and vehicles equipped with the Theta II 2.0T engine, including models such as the Sonata, Optima, and
• Compatible with both naturally aspirated and turbocharged 2.0L Theta engines, supporting function and -load applications
• Features a compression ratio of 9.5:1 to balance power output, fuel efficiency, and compatibility with pump
• Forged from -strength 2618 aluminum for improved thermal stability and resistance to detonation under increased boost pressure
• Includes 86mm bore diameter pistons with G4KF and G4KH engine code designation, matching OEM specifications for direct replacement installation