fits model: 305, 327, 350. make: Chevy. year: 1967–1998.



( Brand: Acl Bearings ), ( Type: Crankshaft Main Bearing ), ( Manufacturer Part Number: 5M909P-40 ), ( Items Included: Engine Bearing ), ( Universal Fitment: No ), ( Fitment Type: Performance/custom ), ( Notes: 1967-1998 Chevy V8 267/305/327/350 )
Introducing the ACL 5M909P-40 Oversized Bearing Set, specially designed for Chevrolet V8 engines from the years 1967 to 1998, compatible with crankshafts featuring a stroke of 267, 305, 327, or 350 cubic inches. The set includes four oversized bearings, each measuring 40mm in diameter, providing increased clearance and reduced friction for enhanced engine performance.
The ACL 5M909P-40 bearings are well-known for their superior quality, reliability, and durability. They are precision machined from high-quality materials to ensure exacting tolerances and optimal fitment. The bearings are designed to accommodate larger stroke engines without requiring engine modifications or excessive clearances.
Each bearing in the set features a double row, tapered roller design, offering superior load capacity and durability. The rollers are precision machined from SAE 4320 steel, heat-treated to ensure maximum strength and longevity. The bearings are also chrome plated, providing excellent protection against corrosion, and have a specified maximum operating temperature of 350 F (176.7 C).
The set includes two crankshaft main bearings and two rod bearings, making it a complete solution for upgrading or rebuilding your Chevrolet V8 engine. The bearings are supplied with matching ACL sealed grease seals, ensuring the bearings are properly sealed for extended service life.
The installation of the ACL 5M909P-40 Oversized Bearing Set is a straightforward process and is recommended for use with high-performance applications, such as racing or high-horsepower builds. The set provides increased stability, improved oil flow, and enhanced lubrication, all contributing to improved engine efficiency and power output.
In summary, the ACL 5M909P-40 Oversized Bearing Set is an essential upgrade for Chevrolet V8 engines from 1967 to 1998, offering durability, reliability, and enhanced engine performance. These high-quality, precision-engineered bearings provide superior load capacity, increased clearance, and excellent protection against corrosion, ensuring your engine operates at its maximum potential.
buying ACL 5M909P-40 40mm oversized bearing set for 1967-1998 Chevy V8 267/305/327/350 engines: Pros:1. Enhanced Performance: Oversized bearings allow for increased clearances and improved oil flow, leading to reduced friction and increased engine performance.
2. Durability: ACL (American Precision Bearings, Inc.) is a well-renowned brand known for manufacturing high-quality bearings, ensuring longevity and reliability.
3. Reduced Engine Noise: The larger 40mm diameter of these bearings minimize slop and improve the overall balance of the engine, which translates to reduced engine noise.
4. Improved Oil Flow: The larger bearing surface area increases oil flow, improving cooling and lubrication of the engine, leading to longer engine life.
Cons:1. Cost: ACL oversized bearings tend to be pricier than standard bearings, which can result in a higher upfront investment.
2. Installation Complexity: Installing oversized bearings can be a challenging process, requiring specialized tools and expertise. This can result in longer installation time and potential damages if not done correctly.
3. Sealing System: When using oversized bearings, you may need to purchase new seals that are compatible with the larger size, which can add to the overall cost and complexity.
Conclusion:When considering purchasing an ACL 5M909P-40 40mm oversized bearing set for 1967-1998 Chevy V8 engines, weigh the benefits of enhanced performance, durability, reduced engine noise, and improved oil flow against the higher cost, installation complexity, and potential need for compatible seals. If your primary goal is to improve the overall performance and reliability of your engine, these oversized bearings could be a worthwhile investment. On the other hand, if cost and ease of installation are significant concerns, standard bearings may be a more practical choice.
ACL .40mm Oversized Main Bearing Set for 1967-1998 Chevy V8 267/305/327/350Part Number: 5M909P-40Suffix: Denote: Triumphal. For listings with free shipping, it only applies within the continental 48 states.