INA ZC-78534T-9R Engine Timing Set

INA Timing Chain Kit for GM V8 Applications

INA ZC-78534T-9R is an engine timing set built for select GM vehicles that use a timing chain-driven valve train. It includes the essential timing components needed for a complete repair, with coverage for many Chevrolet, GMC, Buick, Pontiac, Hummer, Saab, and Isuzu applications.

Key Features

• Complete timing chain kit for engine valve train service
• Includes chains, tensioners, and guides
• Some applications also include gears and sprockets
• Supplied with a high-performance chain additive formulated for Schaeffler by Liqui Moly
• Chain additive helps reduce friction during break-in and lowers run-in wear by up to 20%
• Cross-reference: 5591357100

Detailed Description

INA timing chain kits are assembled to provide the core components needed for timing system repair in one package. The ZC-78534T-9R part number is used across a wide range of GM platforms, including Chevrolet Silverado 1500, GMC Sierra 1500, Buick Rainier, Pontiac Grand Prix, and Chevrolet Corvette applications. This kit is intended for engines that require a timing chain set with matched tensioning and guiding components for proper valve timing.

For buyers searching for an INA timing chain kit for Chevrolet Silverado 1500, GMC Sierra 1500 timing set replacement, or a Buick Rainier engine timing set, this part number offers a direct service solution. The included additive is formulated to reduce friction during the initial break-in period and support lower wear as the new timing components seat.

What It Is Used For

• Replacing stretched or worn timing chains
• Correcting timing chain noise from worn guides or tensioners
• Restoring proper camshaft and crankshaft synchronization
• Addressing timing-related drivability or engine performance issues
• Servicing high-mileage GM engines with timing system wear

Installation Notes and Tips

Verify engine code, timing cover configuration, and OE part match before installation. Follow factory timing procedures carefully, and replace related wear components only when confirmed by the vehicle service manual. This kit fits 2003-2007 Hummer H2, 2004-2007 Buick Rainier, 2005-2007 Chevrolet Express 1500, 2005-2007 Chevrolet Express 2500, 2005-2007 Chevrolet Express 3500, 2005-2007 GMC Savana 1500, 2005-2007 GMC Savana 2500, 2005-2007 GMC Savana 3500, 2005-2006 Chevrolet Silverado 1500, 2005-2006 Chevrolet Silverado 1500 HD, 2005-2006 Chevrolet Silverado 2500 HD, 2005-2006 Chevrolet Silverado 3500, 2005-2006 Chevrolet Suburban 1500, 2005-2006 Chevrolet Suburban 2500, 2005-2006 Chevrolet Tahoe, 2005-2006 GMC Sierra 1500, 2005-2006 GMC Sierra 1500 HD, 2005-2006 GMC Sierra 2500 HD, 2005-2006 GMC Sierra 3500, 2005-2006 GMC Yukon, 2005-2006 GMC Yukon XL 1500, 2005-2006 GMC Yukon XL 2500, 2005-2006 Chevrolet Avalanche 1500, 2005-2006 Chevrolet Corvette, 2005-2006 Pontiac Grand Prix, 2005-2006 Saab 9-7x, 2006 Chevrolet Impala, 2006 Chevrolet Monte Carlo, 2006 Chevrolet Trailblazer, 2003-2006 Chevrolet Trailblazer EXT, 2003-2006 Isuzu Ascender, 2004-2005 Chevrolet Avalanche 1500, 2004-2006 Pontiac GTO, 2007 Chevrolet Silverado 1500 Classic, 2007 Chevrolet Silverado 1500 HD Classic, 2007 Chevrolet Silverado 2500 HD Classic, 2007 Chevrolet Silverado 3500 HD, 2007 GMC Sierra 1500 Classic, 2007 GMC Sierra 1500 HD Classic, 2007 GMC Sierra 2500 HD Classic, and 2007 GMC Sierra 3500 Classic.

Quality Assurance

INA is part of Schaeffler, a supplier known for engine timing components used in demanding service applications. ZC-78534T-9R is built as a complete timing chain kit with the components needed for a proper timing system repair.