Enginetech S87124-STD Engine Piston Ring Set 87mm STD Honda Acura 2.4L DOHC K24

The Enginetech S87124-STD is a standard-size engine piston ring set designed for Honda and Acura 2.4L DOHC 16-valve K-series engines. Enginetech is a leading supplier to professional engine rebuilders, manufacturing ring sets in OE facilities to ensure precise fit and reliable performance across domestic and import applications.

This set features an 87mm standard bore diameter with a ring width configuration of 1.2mm / 1.2mm / 2.0mm (top compression / second compression / oil control), matching factory specifications for K24-series engines.

Key Features:

• Standard (STD) size — 87mm bore diameter for factory-spec engine rebuilds
• Ring dimensions: 1.2mm top ring / 1.2mm second ring / 2.0mm oil control ring
• Manufactured in OE facilities using high-quality gray iron, ductile iron, and high-strength steel
• Available ring face designs including barrel face, taper face, positive twist, reverse twist, and Napier face as required
• Face coating options include plasma moly, chrome, and stainless steel for enhanced wear resistance
• Oil ring assemblies engineered to prevent expander overlap during installation for easier assembly
• Meets or exceeds original equipment manufacturer specifications
• Backed by Enginetech's lifetime warranty against defects in materials and workmanship (professional installation required)

This piston ring set is an essential component for 2.4L K24-series engine rebuilds, helping restore proper compression, reduce oil consumption, and return the engine to factory performance standards. Each set includes all rings required for a complete four-cylinder engine.