Bolt for J-41665-A - Kent-Moore

The Kent-Moore 280055 is a genuine OEM replacement bolt engineered for the J-41665-A Crankshaft Balancer and Sprocket Installer, also recognized as Kent-Moore EN-41665 in General Motors service documentation. This critical service component ensures the ongoing operational integrity of your specialized crankshaft installer tool, providing precise thread engagement and robust load distribution during demanding installation procedures.

Key Features

• Direct OEM Replacement: Manufactured to Kent-Moore specifications for the J-41665-A / EN-41665 installer, guaranteeing correct thread, length, and seating depth for precise fit and function.
• Professional-Grade Strength: Constructed to withstand the high clamping forces required for installing press-fit crankshaft balancers and lower timing sprockets on various GM engines.
• Restores Tool Performance: Replacing a worn or stretched bolt with the 280055 helps maintain accurate alignment and thrust control within the J-41665-A assembly, essential for consistent installations.
• Engine Component Protection: Engineered with proper bolt geometry and material strength to mitigate the risk of damage to sensitive engine components, such as the crankshaft nose, balancer, or timing components during service.
• Cost-Effective Tool Maintenance: Allows for the targeted replacement of a critical wear component, extending the service life of your existing J-41665-A / EN-41665 tool without needing to purchase an entirely new specialized installer.

Applications

The Kent-Moore 280055 bolt is specifically designed for use with the J-41665-A / EN-41665 tool set, facilitating the accurate installation of crankshaft balancers and timing sprockets across a broad range of GM powertrains. This includes high-performance applications such as the Cadillac CTS-V, Chevrolet Corvette ZR1, and Chevrolet Camaro ZL1. It is also applicable to numerous GM small-block V8 engines from 1997-up, covering displacements like 4.8L, 5.3L, 5.7L, 6.0L, 7.0L, and the 2009 supercharged 6.2L. This replacement bolt is essential for professional engine builds, timing set service, and balancer replacement where accurate, full-depth seating of press-fit components is crucial for long-term operational reliability.