ACL 8B663H-STD Race Series Standard Size Connecting Rod Bearings for Chevrolet Small Block and LS Gen III/IV V8

Chevrolet small block, LS Gen III & IV V8 performance tri-metal connecting rod bearing set 8 - Standard Size

The ACL 8B663H-STD Race Series connecting rod bearing set is engineered for Chevrolet small block and LS Gen III and IV V8 performance applications. This standard-size bearing set uses a tri-metal construction designed to provide dependable load support, wear resistance, and consistent performance in demanding automotive environments.

Precision manufacturing helps promote accurate oil clearance and reliable crankshaft-to-connecting-rod operation when used with properly prepared components. The ACL Race Series design is suited to performance engine builds, rebuilds, and replacement applications requiring durable connecting rod bearings for Chevrolet V8 platforms, including 305, 350, and 400 small block engines as well as compatible LS-based Gen III and IV engines.

This set contains eight connecting rod bearing pairs, providing coverage for a complete V8 engine. The standard-size specification is intended for crankshafts and connecting rods that remain within the applicable original or manufacturer-approved standard bearing dimensions. Always verify crankshaft journal condition, bearing clearances, and application requirements before installation.

What's Included

• Eight ACL Race Series tri-metal connecting rod bearing pairs
• Standard-size bearing shells for compatible Chevrolet V8 applications

Fitment

Designed for select Chevrolet small block 305, 350, and 400 V8 engines, along with compatible LS Gen III and Gen IV V8 applications. Confirm engine family, crankshaft specifications, and required bearing clearance before purchase and installation.

Features:

• Tri-metal construction: Provides a durable bearing structure for performance-oriented Chevrolet V8 applications.
• Race Series design: Supports demanding engine builds, rebuilds, and replacement applications.
• Standard-size specification: Designed for compatible standard-dimension crankshaft journals and connecting rods.
• Complete V8 set: Includes eight connecting rod bearing pairs for a full eight-cylinder engine.

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1