INA ZC-73165 Engine Timing Set

INA ZC-73165 Timing Chain Kit

INA ZC-73165 is a premium engine timing set for select Buick applications, including Riviera, Skylark, LeSabre, Century, and Roadmaster models. This timing chain kit is built around the essential timing components needed for a proper repair, with fitment coverage for 1957-1966 Buick vehicles listed below.

Key Features

• Premium-grade engine timing set from INA
• Includes the chain and sprockets required for the listed applications
• Engine timing kit configuration for select Buick V8 applications
• Cross-reference part number: 5591186100
• Part number: ZC-73165

Product Details

INA ZC-73165 is an engine timing set engineered for specific Buick engine applications where the timing drive requires a matched chain and sprocket package. According to the manufacturer, INA timing chain kits are assembled to cover the core timing repair components needed for a correct service event. For this part number, the listed kit content includes one cam sprocket, one timing chain, and one crank sprocket. The part number ZC-73165 is also referenced as INA Global Number 559 1186 100.

Compatible With 1957-1958 Buick Century, N/A; 1957-1958 Buick Roadmaster, N/A; 1959-1960 Buick LeSabre, N/A; 1965-1966 Buick Riviera, N/A; 1965 Buick Skylark, N/A; and 1966 Buick Skylark, N/A. Use ZC-73165 when servicing the timing drive on these listed Buick models and matching engine applications.

Common Repair Uses

• Replacing a stretched or worn timing chain
• Addressing timing noise from worn sprockets
• Restoring camshaft and crankshaft timing synchronization
• Correcting timing-related drivability or starting issues
• Servicing a timing drive during engine maintenance

Installation Notes

Verify engine code, timing cover configuration, and sprocket count before installation. This kit is listed as a 3-piece set for the covered Buick applications, and the fitment notes specify cam sprocket, chain, and crank sprocket content. Confirm alignment marks and timing reference points during assembly to ensure accurate valve timing. Part number ZC-73165 should be matched to the vehicle application exactly as listed.

Quality Assurance

INA timing components are supplied as premium-grade parts for engine timing service. The manufacturer states that its timing chain kits are assembled with the essential components needed for a complete repair, and some INA kits include a specially formulated chain additive for reduced break-in friction and wear in certain applications. For this ZC-73165 kit, use the listed OE-style timing components and application data to confirm proper selection.