Perfect Fitment - Designed specifically for GM LS engines, compatible with 4.8, 5.3, 5.7, 6.0, 6.2, 7.0, LS1, LS2, LS3, LS6, L99, LS4, LS9, LSA, LQ4, LQ9, L76, and L92 models, ensuring precise application for your engine needs.

Prevent Leaks - Aligns the rear main cover and installs the seal with accuracy to eliminate the risk of oil leaks, keeping your engine running smoothly.

Essential for Proper Seal Installation - Ensures the rear seal aligns perfectly concentric with the balancer hub and rear sealing surface, maintaining proper seal function and extending its lifespan.

Durable Construction - Crafted from high-quality billet aluminum for exceptional durability and precision. Ideal for engine builders and mechanics working on GM LS series engines.

What’s Included - Includes (1) Rear Cover Billet Alignment Tool. A must-have tool for professional and DIY engine repairs.