GM BELT TENSIONER

GM Belt Tensioner Assembly LS Engine

Genuine GM belt tensioner assembly designed to maintain correct serpentine belt tension on LS-based engine packages. This automatic tensioner helps prevent belt slip and inconsistent accessory drive performance under high RPM and race conditions, making it a reliable replacement for worn or noisy factory units.

Built with a durable cast aluminium housing and integrated pulley, this unit is well suited to Trans Am, TA2 and other LS-powered circuit racing applications where dependable belt control is critical. Ideal for maintaining consistent alternator, water pump and accessory drive operation during extended track use.

A direct replacement style component commonly used in GM LS engine accessory systems.

Specifications:

• Genuine GM component
• Complete tensioner and pulley assembly
• Suits LS engine accessory drive systems
• Cast aluminium housing
• Automatic spring-loaded tensioner design 
• SKU: 12559325