The ACL Race Series Main Bearing Set in STD Size is a high-performance product designed specifically for crankshafts. The product code for this set is 5M1186HX-STDBrand and it is a part of the Race Series category.

These main bearings feature flanges that are 25.4mm wide, providing an extra 0.001" oil clearance. The set comes with 2 flanged shells and does not have a groove. Made from Race Series Tri-Metal material, these bearings are durable and reliable for high-performance engines.

The specifications for this set include standard shaft diameters of 2.2435" to 2.2441" for positions 1, 2, 4, and 5, with oil clearance to be determined. The maximum wall thickness is 0.0783" and the housing bore measures 2.4016" to 2.4024". For position 3, the standard shaft diameters are the same, with a maximum wall thickness of 0.0778" and a housing bore of 2.4016" to 2.4024". The maximum length for positions 1, 2, 4, and 5 is 0.8120", while position 3 has a maximum length of 1.0000".

ACL Race Series bearings have a long history of manufacturing precision engine bearings in Launceston, Tasmania, Australia for over 70 years. They have been a major OEM supplier to the automotive industry and offer an extensive range of replacement products for the global aftermarket.

The ACL Race Series Performance Engine Bearings have a strong reputation for robust metallurgy, quality, precision, innovation, and performance. With a rich history in motorsport, including Formula 1, Australian Supercars Championship, drag racing, speedway, drifting, and rally, ACL bearings are the top choice for engine builders worldwide.

This main bearing set is part of ACL's offering of over 200 varied engine applications, covering a wide range of performance engine bearings for various vehicle makes. The company maintains high standards of quality with ISO certifications for their business management systems, ensuring top-notch products for their customers. Trust ACL Race Series Main Bearing Set for your high-performance engine needs.