ACL Bearings 8B1663HX-STD H-Series Connecting Rod Bearing Set, Standard, Extra Oil Clearance for Small Block Chevy

Upgrade the bottom end of your Small Block Chevy with the ACL Bearings 8B1663HX-STD H-Series Connecting Rod Bearing Set. Designed for performance-focused engine builds, this standard-size rod bearing set features extra oil clearance to help support dependable lubrication under demanding operating conditions. The H-Series construction is suited for applications where consistent bearing performance and durable load support are essential.
The ACL Bearings 8B1663HX-STD rod bearings are engineered as a direct-fit replacement for compatible Small Block Chevy connecting rod applications. Their precision-focused design helps maintain proper crankshaft-to-connecting-rod clearance when used with the corresponding standard-size components. This set is an appropriate choice for engine rebuilds, performance upgrades, and replacement projects requiring H-Series bearings with additional oil clearance.
Each Rod Bearing Set is manufactured to ACL Bearings specifications for reliable fit and function. Always verify crankshaft journal condition, bearing clearances, connecting rod specifications, and application compatibility before installation. Professional installation and accurate clearance measurements are recommended to help ensure long service life and proper engine operation. The ACL Bearings 8B1663HX-STD is supplied as a kit for compatible Small Block Chevy builds and is not classified as air-restricted or truck-freight-only.

Features:

• Brand: ACL Bearings

• Part Number: 8B1663HX-STD

• Bearing Type: H-Series connecting rod bearing

• Size: Standard

• Clearance: Extra oil clearance

• Application: Small Block Chevy

• Product Form: Connecting rod bearing set

• Use: Engine rebuilds, replacement, and performance applications

• Shipping Classification: Not air-restricted and not truck-freight-only