What does 'undersize 0.025 inch' mean for these bearings?

This means the bearings are manufactured to be 0.025 inches smaller in diameter than standard size. This is necessary when the crankshaft journals have been machined down (ground) to correct imperfections or to prepare for a rebuild. Using the correct undersize bearing ensures proper clearance and oil pressure.

Are these bearings suitable for a stock 2005 F-150 engine?

While these are Race Series bearings, they can be used in a stock engine if the crankshaft has been machined undersize. For a completely stock, unmachined crankshaft, you would typically need a standard size bearing. Always verify your crankshaft's condition and size before ordering.

What is the difference between standard and Race Series bearings?

ACL Race Series bearings are constructed with advanced materials and tighter tolerances to withstand higher loads and RPMs often found in performance or racing applications. They offer improved durability and oil control compared to standard bearings.

2005 Ford F-150 Crankshaft Main Bearings | ACL 5M7296H-.025

Name: ACL Ford Prod. V8 4.6/5.4L Race Series Engine Crankshaft Main Bearing Set
Brand: ACL
SKU: acl-acl-ford-prod-v8-4-6-5-4l-race-series-engine-crankshaft-main-bearing-set-t14-631568
Price: 177.10 USD
Availability: BackOrder

ACL Ford Prod. V8 4.6/5.4L Race Series Engine Crankshaft Main Bearing Set

$177.10

On Backorder

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

Fits 2005 Ford F-150. ACL Race Series crankshaft main bearings, undersize 0.025 inch, for V8 4.6/5.4L engines.

Key Features

Fits 2005 Ford F-150.
Designed for V8 4.6L and 5.4L engines.
ACL Race Series crankshaft main bearing set.
Undersize 0.025 inch, suitable for machined crankshafts.
Precision-machined for proper oil clearance and fit.
Built for performance applications with increased demands.

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Product Details

200,000 psi tensile strength puts these ARP studs well above stock hardware. When you're rebuilding or upgrading your 2005 Ford F-150's V8 engine, especially the 4.6L or 5.4L, the crankshaft main bearings are critical. These ACL Race Series bearings are built to handle the increased demands of performance applications. They are precision-machined to exacting tolerances, ensuring a solid fit and proper oil clearance for your crankshaft.

The Race Series from ACL is designed for engines that see more aggressive use. This particular set is undersized by 0.025 inches, which is important if you're dealing with a crankshaft that has been previously machined or ground down. Using the correct undersize bearing is crucial for maintaining proper oil pressure and bearing function. ACL uses advanced materials and manufacturing techniques to create bearings that offer improved durability and performance over standard bearings.

When installing these bearings, always refer to your vehicle's service manual for the correct procedure and torque specifications. Proper installation is key to getting the most out of these high-performance components and ensuring the longevity of your engine rebuild.