Enginetech BC117JSTD Standard Main Bearing Set GM 4.2L Vortec 4200 LL8

The Enginetech BC117JSTD is a standard size main bearing set designed for the GM 4.2L inline-six Atlas engine (LL8/Vortec 4200). This precision-engineered bearing set is essential for engine rebuilds and provides the reliable crankshaft support needed for long-lasting performance in GM's DOHC inline-six platform.

Key Features:

• Standard size main bearings for GM 4.2L LL8 Vortec 4200 engines
• High-quality construction featuring advanced aluminum-silicon alloy or tri-metal bearing material with steel backing
• Engineered for excellent wear resistance, load capacity, and anti-friction properties
• Manufactured to OE specifications for proper fit and clearances
• Includes complete main bearing set for full crankshaft support

Enginetech main and rod bearings have been the choice of professional engine rebuilders for over 25 years. These bearings utilize advanced materials and manufacturing processes to ensure superior durability and performance. Whether performing a complete engine rebuild or replacing worn bearings, the BC117JSTD provides the quality and reliability needed for proper engine function in GM's 4.2L Atlas inline-six engine found in the Chevrolet TrailBlazer, GMC Envoy, Buick Rainier, Oldsmobile Bravada, Isuzu Ascender, and Saab 9-7X (2002-2009).