What does '0.020 inch undersize' mean for these bearings?

This means the bearings are manufactured to be 0.020 inches smaller in diameter than standard size. This is necessary when the crankshaft journals have been machined down by 0.020 inches during an engine rebuild to correct wear or damage.

What other parts are typically needed when replacing main bearings?

When replacing main bearings, it's a good idea to also replace the crankshaft oil seals and any associated gaskets. It's also crucial to ensure the crankshaft journals are clean and within the correct size specifications.

Are these bearings suitable for performance engine builds?

Yes, ACL bearings are well-known in the engine building community for their reliability and performance. Their strong construction makes them a solid choice for both daily drivers and more demanding applications.

ACL Crankshaft Main Bearing Set 5M2152H-020

Name: ACL Ford 4 1500-1600cc OHV/Twin Cam Engine Crankshaft Main Bearing Set
Brand: ACL
Price: 89.18 USD
Availability: InStock

ACL Ford 4 1500-1600cc OHV/Twin Cam Engine Crankshaft Main Bearing Set

$89.18

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

ACL Ford 4 1500-1600cc OHV/Twin Cam Engine Crankshaft Main Bearing Set

Key Features

Fits Ford Cortina, Ford Pinto, Lotus Seven, Mercury Capri, Morgan 4/4, and TVR Vixen models.
Designed for Ford 4 1500-1600cc OHV and Twin Cam engines.
Main bearing set for crankshaft support.
This is a 0.020 inch undersize bearing set, intended for use with a crankshaft that has been machined down by 0.020 inches.
Well-built for reliable engine performance.

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Will this fit your vehicle?

Product Details

200,000 psi tensile strength puts these ACL main bearings well above stock hardware. When you're rebuilding a Ford 4 1500-1600cc OHV or Twin Cam engine, the crankshaft main bearings are critical for smooth operation and engine longevity. These bearings are built to handle the stresses of daily driving and performance applications, ensuring your engine runs true.

ACL has been making engine bearings for a long time, and this set is made with their experience in mind. They're a popular choice for engine builders because they fit right and perform reliably. This particular set is 0.020 inches undersize, which is important if your crankshaft journals have been machined down during a rebuild. Always double-check your crankshaft measurements to ensure you're ordering the correct bearing size.

This set includes the main bearings needed for your engine rebuild. Make sure to also have your crankshaft professionally cleaned and inspected, and consider new oil seals and gaskets to complete the job.