INA ZC-C-3058K Engine Timing Set

INA Timing Chain Kit for GM V6 Applications

INA ZC-C-3058K is a premium engine timing set built for select 1985-1988 Buick, Oldsmobile, and Pontiac applications. This timing chain kit is engineered to help restore accurate camshaft and crankshaft synchronization with the components needed for a proper timing service.

For Buick Century, LeSabre, Skylark, and Riviera; Oldsmobile Cutlass Ciera, Cutlass Cruiser, Delta 88, 98, Toronado, Calais, and Cutlass Calais; and Pontiac Bonneville and Grand Am applications, INA ZC-C-3058K provides a direct-fit timing solution for the listed vehicles.

Key Features

• Premium-grade engine timing set from INA
• Includes the essential timing chain kit components for the repair
• Built for select 1985-1988 Buick, Oldsmobile, and Pontiac models
• Cross-reference part number: 5591121100
• Part number: ZC-C-3058K

Detailed Description

INA timing chain kits are assembled to support a complete timing repair with the core components required for the application. Depending on the vehicle, the kit may include chains, tensioners, guides, gears, and sprockets; this listing is identified as a premium engine timing set for the specified GM fitments. The manufacturer also notes a specially formulated chain additive made for Schaeffler by Liqui Moly that helps reduce friction during break-in and lowers run-in wear.

Use INA ZC-C-3058K when servicing timing chain wear on 1986-1988 Buick Century, 1986-1988 Buick LeSabre, 1986-1988 Buick Skylark, 1986-1987 Buick Riviera, 1985-1987 Oldsmobile Calais, 1986-1988 Oldsmobile Cutlass Ciera, 1987-1988 Oldsmobile Cutlass Cruiser, 1986-1988 Oldsmobile Delta 88, 1986-1987 Oldsmobile 98, 1986-1987 Oldsmobile Toronado, 1988 Oldsmobile Cutlass Calais, 1985-1987 Pontiac Grand Am, and 1987-1988 Pontiac Bonneville applications.

What This Timing Set Helps Address

• Timing chain stretch that can affect cam timing
• Noise from worn timing components
• Rough engine operation related to timing wear
• Loss of synchronization between crankshaft and camshaft
• Service needs on higher-mileage GM V6 timing systems

Installation Notes and Tips

Verify engine code, timing drive design, and all fitment notes before installation. Some listed applications note a second-design double-flats drive or a 3-piece configuration, so matching the vehicle’s original timing setup is important. Inspect related timing components and sealing surfaces during service, and follow factory timing marks and torque specifications during assembly.

Quality Assurance

INA is a Schaeffler brand known for timing system components used in engine repair. ZC-C-3058K is a premium timing set built to support accurate timing service on the listed Buick, Oldsmobile, and Pontiac applications.