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ACL engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACL lineup with fast shipping and expert fitment support — order with confidence.
If your crankshaft has been machined to a .50mm undersize, you need the correct bearings to ensure proper oil clearance and engine longevity. These ACL main bearings are precision-manufactured to provide a perfect fit for refurbished 4G63 and 4G64 crankshafts. Designed for durability, they are an essential component for any serious engine rebuild project.
Proper bearing selection is the most important step in any engine rebuild. Using the correct oversized bearings prevents excessive play and ensures that your engine maintains necessary oil pressure. These ACL bearings offer the reliability you need to get your Mitsubishi back on the road or the track with confidence. Whether you are restoring a classic DSM or building a high-performance Lancer engine, these bearings provide the quality and precision you expect. For all your engine component needs, rely on the experts at GGCRACING.
| Brand | ACL |
|---|---|
| Manufacturer part number | 5M1219A-.50 |
| GGC SKU | ACL5M1219A-.50 |
| UPC / GTIN | 84777701367 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 6.3 × 3 × 1 in |
|---|---|
| Shipping weight | 0.7 lb |
Universal fit — check measurements. Compare the dimensions and specifications on this page with your application before you order.
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