Mitsubishi 4G63 Main Bearings (H Series Tri-Metal) by Clevite
CLEVITE engine bearings have been winning NASCAR sanctioned races since the very first NASCAR championship in 1948 and have powered every single NASCAR champion since then to Victory Lane, setting the pace for quality and reliability in the most demanding settings.Whether modifying stock engines or building race engines from the ground up, the legacy of excellence that began decades ago, continues today with CLEVITE engine bearings.
These H-Series bearings were developed primarily for use in NASCAR type racing, but are suitable for all types of competition engines
Features
- Exclusive three layer design capable of carrying max loads of up to 12,000 psi
- Copper-lead alloy layer, precision steel back layer and electroplated white metal "babbitt" surface layer
- Medium level of eccentricity, high crush and rod bearings have a hardened, steel back and thin overlay
- Made without flash plating for better seating
Benefits
- Withstands up to 60% higher loads
- 40% better seizure resistance than the competition
- Reduces drag and increases horsepower
Please Note: If you aren't sure which type of performance bearing to start with, the H-Series bearing will be your best choice
