Engine Bearings for Hyundai/Kia 2.7L G6BA Engines — 2102037140, 2306037140, 2103037200
The Hyundai G6BA 2.7L V6 engine typically utilizes tri-metal bearing shells; the ACL Race Series brand frequently offers such products to meet the demands of both high-performance modification and OEM replacement. Key technical specifications include: a minimum standard main journal diameter of approximately 48.971 mm, and a maximum standard housing bore diameter of approximately 52.012 mm. Furthermore, this product series offers a variety of available specifications, ranging from STD (Standard Size) to oversized dimensions of 0.25 mm and 0.50 mm.
Description
Key Bearing Specifications (ACL Race Series Example): Main Bearing Set (4M1215A-STD):
Material: Tri-metal (Hardened Steel Back).
Max Wall Thickness: 0.0591 in / 1.500 mm.
Standard Journal Diameter Range (Min/Max): 1.9280 – 1.9286 in / 48.971 – 48.987 mm.
Standard Housing Bore Range (Min/Max): 2.0472 – 2.0477 in / 52.000 – 52.012 mm.
Max Overall Length: 0.760 in / 19.30 mm.
Available Sizes: STD (Standard), 0.025, 0.25, 0.50, 0.75 mm.
Connecting Rod Bearing Set (6B8598H – RACE Series):
Design Features: Increased crush for enhanced seating security; utilizes a higher-strength surface plating; features an eccentric design optimized for high-RPM operating conditions.
Available Sizes: Standard, 0.025 mm (Tight Fit), 0.25 mm (Oversize).
These bearings are used in Hyundai 2.5L (G6BV) and 2.7L (G6BA) V6 engines produced in 2000 and later










