What does 'STDX' size mean for these bearings?

The 'STDX' designation refers to a specific undersize for the crankshaft main journals. This is important for achieving the correct bearing clearance during an engine rebuild, especially in high-performance applications.

Why is the 20-degree lower chamfer important?

The 20-degree lower chamfer on these bearings is designed to increase oil flow to the bearing surface and reduce friction. This is particularly beneficial in high-RPM, high-stress racing engines like Top Fuel applications.

Are these bearings suitable for a street-driven vehicle?

These bearings are specifically designed for extreme Top Fuel racing applications. While they are well-built, they may not be the optimal choice for a standard street-driven vehicle due to their specialized design and sizing.

Specifications

Brand: King Engine Bearings
Part #: MB5650TFC20LSTDX
UPC: 611500619656

King Engine Bearings Ford 370/429/460 16V Ohv- 20 Lowers (Top Fuel) (Size STDX) Main Bearing Set

Name: King Engine Bearings Ford 370/429/460 16V Ohv- 20 Lowers (Top Fuel) (Size STDX) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-ford-370-429-460-16v-ohv-20-lowers-top-t14-770882
Price: 190.26 USD
Availability: BackOrder

$190.26

On Backorder

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

Key Features

Fits Ford 370, 429, and 460 16V OHV engines.
Designed for Top Fuel racing applications.
STDX size indicates a specific undersize for crankshaft journals.
Features a 20-degree lower chamfer for improved oil flow and reduced friction.
Well-built by King Engine Bearings for high-performance engines.

Secure CheckoutFast Shipping631-982-0042

About this part

Product Details

This is a King Engine Bearings Main Bearing Set specifically for Ford 370, 429, and 460 cubic inch 16V OHV engines. These bearings are built for demanding Top Fuel applications, featuring a STDX size and a 20-degree lower chamfer design. This specific chamfer helps to increase oil flow and reduce friction in high-performance racing engines.

King Engine Bearings is known for its well-built engine components, and this set is no exception. The STDX size indicates a specific undersize for crankshaft journals, crucial for achieving proper clearances in a performance build. The 20-degree lower chamfer is a detail that matters in engines pushed to their limits, ensuring adequate lubrication under extreme conditions.

When rebuilding a high-performance Ford big block, getting the bearing clearances right is critical. This set offers a specialized solution for Top Fuel builds where every component needs to perform reliably under immense stress.