INA ZC-2555S Engine Balance Shaft Kit

INA Engine Balance Shaft Kit ZC-2555S

The INA ZC-2555S engine balance shaft kit is built for select Chevrolet, GMC, and Isuzu applications that use a balance shaft setup. It is a direct-fit engine valvetrain component for restoring proper balance shaft operation in compatible vehicles, including Chevrolet Silverado 1500, GMC Sierra 1500, and Chevrolet Astro applications.

Key Features

• Engine balance shaft kit for select GM and Isuzu applications
• INA timing gear and sprocket construction for OE-style fit and function
• Made from powdered metal, steel, or cast iron, depending on application design
• Heat-treated to exact hardness specifications for consistent durability
• Cross-reference: 5540313200
• Part number: ZC-2555S

Product Details

INA ZC-2555S is an engine balance shaft kit designed for vehicles that require balance shaft service in the timing and valve train system. INA timing gears and sprockets are engineered to meet or exceed OE quality and performance, with materials selected for strength and wear resistance. This makes the kit a practical choice for maintaining proper engine timing and balance shaft operation in applications such as Chevrolet Silverado 1500, GMC Sonoma, and Chevrolet S10.

Compatible With select 1992-2007 Chevrolet, GMC, and Isuzu models, this part number is used across multiple LB4 engine applications and balance shaft configurations. If you are searching for an INA balance shaft kit for Chevrolet Silverado 1500 or a replacement balance shaft component for GMC Sierra 1500, ZC-2555S is the catalog reference to verify against your vehicle.

What It Helps Address

• Worn or damaged balance shaft gear components
• Noise from timing gear or balance shaft wear
• Improper balance shaft operation in LB4 engine applications
• Timing system service needs on select GM trucks and vans
• Restoration of factory-style engine balance shaft function

Installation Notes and Tips

Verify engine code, model year, and balance shaft configuration before ordering. This part is listed for multiple applications, including balance shaft and LB4 engine notes, so matching the exact vehicle and engine setup is important. Review the fitment list carefully for your Chevrolet Silverado 1500, GMC Savana 1500, or other listed application before installation.

Quality Assurance

INA manufactures timing gears and sprockets to OE-quality standards using controlled materials and heat treatment processes for specified hardness and performance.