The Speed Pro Engine Crankshaft Main Bearing Set - Standard Size (part number 152M) is a direct-fit replacement for 1997-2008 Chevrolet, GMC, Cadillac, and Pontiac vehicles with 5.3L, 5.7L, and 6.0L engines. Speed Pro 152M Engine Crankshaft Main Bearing Set for Chevrolet Silverado 1500
Features:
- H14 Super Duty alloy material
- Best bronze alloy material
- Does not have flash tin plating
- Extreme fatigue resistance & strength
- Application specific design to ensure a perfect fit and correct operation for unsurpassed quality that you can trust
- Silicon particles help polish crankshaft journal (reduces wear during operation)
Specifications:
| Product Grade | Performance |
| Application | Competition Series |
| Displacement | 346 LS1 |
| Engine Family | Gen III V8 |
| Features | 3/4 Groove |
| Manufacture | Chevrolet |
| Material | Super Duty Alloy |
| Part Description | Engine Crankshaft Main Bearing Set |
| Part Material | Steel backed overplated bronze alloy |
| Set Type | Main Set |
| Sizes | Std-1-1X-10 |
| Standard Size | Standard |
Fits: 1997-2008 Chevrolet, GMC, Cadillac, Pontiac, and Hummer models including Silverado 1500, Tahoe, Express 2500, Express 3500, Corvette, Silverado 2500, Suburban 1500, Suburban 2500 and more - 5.3L, 5.7L, and 6.0L engines. Confirm your year, make, model, and engine before ordering.
Interchanges With: Clevite MS2199H, King Engine Bearings MB5013XP
