Enginetech S93156-STD Piston Ring Set GM DOHC - 4.2L 254 Inline-6

The Enginetech S93156-STD piston ring set is specifically designed for GM's 4.2L (254 cubic inch) DOHC inline-6 engine, commonly known as the Vortec 4200 or LL8. This engine was featured in popular vehicles including the Chevrolet TrailBlazer, GMC Envoy, Buick Rainier, Oldsmobile Bravada, Saab 9-7X, and Isuzu Ascender from 2002-2009.

Premium Quality Construction:

• Manufactured from high-grade ductile iron and high-strength steel compression rings
• Standard bore size (STD) - 93mm (3.66 inches)
• Designed to meet or exceed OEM specifications
• Suitable for stock rebuilds and performance applications

Enginetech Quality:

• Organized packaging eliminates confusion during installation
• Precision-engineered for proper compression sealing
• Taper face, torsional, reverse twist design second ring for maximum oil control
• Manufactured with state-of-the-art materials matching OE requirements

This piston ring set provides the quality and reliability needed for professional engine rebuilds on GM's Atlas family 4.2L DOHC inline-6 engines. Enginetech specializes in providing high-performance engine components for domestic, import, and high-performance applications.