King Engine Bearings Connecting Rod Bearing Set — Size STDX — Mitsubishi 4G63 / 4G64 (EVO I–IV)

Trusted by engine builders worldwide, King Engine Bearings delivers precision-engineered connecting rod bearings for the Mitsubishi 4G63 and 4G64 engines found in the Lancer Evolution I through IV. The STDX size features a tighter clearance tolerance than standard, making it a popular choice for high-performance builds where precise oil film control is critical for power and longevity. Whether you're rebuilding a stock engine or building a high-boost EVO, King bearings are a benchmark choice for reliability and performance.

Key Features

• Precision-engineered connecting rod bearings for the Mitsubishi 4G63 / 4G64 engine
• STDX sizing — tighter clearance than standard for improved oil film control in performance applications
• High-quality tri-metal or bi-metal construction for superior wear resistance and load capacity
• Trusted by professional engine builders for OEM replacement and high-performance rebuilds
• Engineered by King Engine Bearings — a globally recognized leader in precision engine bearings

Specifications

• Size: STDX (Standard Extra Tight Clearance)
• Application: Connecting Rod Bearings
• Engine: Mitsubishi 4G63 / 4G64

Fitment

• Mitsubishi Lancer Evolution I (1992–1994) — 4G63
• Mitsubishi Lancer Evolution II (1994–1995) — 4G63
• Mitsubishi Lancer Evolution III (1995–1996) — 4G63
• Mitsubishi Lancer Evolution IV (1996–1998) — 4G63 / 4G64
• Other 1992+ Mitsubishi 4G63 / 4G64 applications

What's Included

• 1x King Engine Bearings Connecting Rod Bearing Set (STDX, full set for one engine)

Note: Verify bearing clearance with a micrometer and plastigauge during assembly. Professional engine building experience required. Confirm size and clearance requirements with your engine builder before ordering.