Piston Assembly J2 (0K621-11SA0 / 0K65A11102D) — For Hyundai

The Hyundai J2 (Beta I 1.6L G4GR/G4ED) piston assembly is commonly used in the second-generation Elantra models; it features a standard bore of 77.40 mm, a compression height of 31.10 mm, and a piston pin diameter of 20.00 mm.

Description

Key Technical Specifications (J2 1.6L Beta I Engine):
Cylinder Bore: 77.40 mm (Standard Value).
Compression Height: 31.10 mm.
Piston Length: 60.80 mm.
Piston Pin Diameter: 20.00 mm; Piston Protrusion: 1.70 mm.
Piston-to-Cylinder Clearance: 0.02 – 0.04 mm (0.0016 inches).
Available Oversizes: 0.25, 0.50, 0.75, 1.00 mm.
Engine Displacement: 1,599 cc.

Applicable Models: Primarily suitable for Hyundai Elantra J2 (1995–1998 models) and early Coupe (RD) models equipped with the Beta I engine.