Description
Main bearing wear is one of the first indicators of engine stress—inadequate bearing clearance leads to catastrophic failure under load. The ACL 5M1038H-STD delivers precision-engineered bearing surfaces and proper oil film thickness, ensuring consistent performance whether you’re building a street engine or pushing power at the track. This standard-size set gives you the reliability and dimensional accuracy required for a solid bottom-end foundation.
- H-Series engine compatible
- Small Block Chevy specific
- Standard bearing size
- Complete installation kit
- High-quality construction
- Optimized oil clearance
- Bolt-on fitment
- Long-lasting durability
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