Quicksilver OEM MerCruiser V6/V8 Exhaust Manifold Elbow Gasket 27-863725-1This genuine OEM Mercruiser elbow gasket is for use with 5.0L, 5.7L, 7.4L, 8.2L GM engines with a center rise outlet exhaust manifold.Application: 454 MAG MPI Bravo (GEN VI) GM 454 V-8 (1998) - s/n 0L010029 thru 0L058399; 502 MAG MPI Bravo (GEN VI) GM 502 V-8 (1998) - s/n 0L017000 thru 0L085432; Interchange: Barr; MC 20 87918; GLM; 30220; MerCruiser; 27-41811; 27-860231; 863725; Osco; 8503-GB; Sierra; 18-0672-9;