Product details:

Summit Racing SUM-G2621: Housing, Rear Main Seal, Aluminum, Chevy, LS, Each - Summit Racing LS rear main seal housings are the correct housings for all LS models. These aluminum housings are ideal for replacing damaged housings and building a new project from scratch. Summit Racing LS rear main seal housings are designed for a correct fit and quality performance. Summit Racing. SUM-G2621 fits these applications: CHEVROLET 7.0L/427 Chevy small block Gen III/IV (LS-based engines), CHEVROLET 6.2L/376 Chevy small block Gen III/IV (LS-based engines), CHEVROLET 6.0L/364 Chevy small block Gen III/IV (LS-based engines), CHEVROLET 5.7L/350 Chevy small block Gen III/IV (LS-based engines), CHEVROLET 5.3L/325 Chevy small block Gen III/IV (LS-based engines), CHEVROLET 4.8L/294 Chevy small block Gen III/IV (LS-based engines).