INA ZC-73128 Engine Timing Set

INA ZC-73128 Engine Timing Set

The INA ZC-73128 engine timing set is a premium timing chain kit built for select GM V8 applications. It is engineered to help restore accurate valve timing on vehicles such as the Chevrolet Camaro, Pontiac Firebird, Buick Roadmaster, Cadillac Fleetwood, and Chevrolet Caprice.

For 1994-1997 Chevrolet Camaro and related applications, this kit is identified as a 3-piece timing set with cam sprocket, chain, and crank sprocket coverage noted in the fitment data.

Key Features

• Premium-grade INA engine timing set
• Part number ZC-73128
• Timing chain kit for select 1994-1997 GM vehicles
• Includes essential timing components for the repair
• Fitment notes reference cam sprocket, chain, and crank sprocket coverage on select applications
• Cross-reference: 5591167100

Product Details

INA timing chain kits are built to provide the core components needed for a proper timing service. This kit is part of INA’s premium engine timing lineup and is intended for applications where accurate chain-driven cam timing is critical. The ZC-73128 is listed for multiple Chevrolet, Pontiac, Buick, and Cadillac models from the 1994-1997 model years, including Chevrolet Camaro, Pontiac Firebird, Buick Roadmaster, Cadillac Commercial Chassis, Cadillac Fleetwood, Chevrolet Caprice, Chevrolet Corvette, Chevrolet Impala, and Chevrolet Commercial Chassis.

In select applications, INA timing kits are associated with a high-performance chain additive formulated for break-in friction reduction and reduced run-in wear. The fitment notes for this part also indicate a 3-piece configuration on certain vehicles, with cam sprocket, chain, and crank sprocket coverage called out in the catalog data.

What It Helps Address

• Excessive timing chain slack
• Noise from worn timing components
• Incorrect camshaft-to-crankshaft timing
• Timing service needs on high-mileage GM V8 engines
• Wear-related timing performance issues

Installation Notes

Verify engine code, timing cover configuration, and catalog notes before installation. This part number is listed for 1994-1997 Chevrolet Camaro, 1995-1997 Pontiac Firebird, 1994-1996 Buick Roadmaster, 1994-1996 Cadillac Commercial Chassis, 1994-1996 Cadillac Fleetwood, 1994-1996 Chevrolet Caprice, 1995-1996 Chevrolet Corvette, 1994-1996 Chevrolet Impala, and 1994 Chevrolet Commercial Chassis. Confirm the vehicle’s original timing set layout and compare the notes for ZC-73128 before disassembly.

Quality Assurance

INA is a Schaeffler brand known for engine timing components used in professional repair applications. The ZC-73128 is a premium timing set built to support accurate timing service on the listed GM applications.