Brand new, genuine Starter Mounting Bolt ( 3/8-16 - 4-3/8") Set of 2. This is a factory original equipment part, not aftermarket. Fits: MERCRUISER BLACK SCORPION 350 MAG MPI MERCRUISER BLACK SCORPION MX 6.2L MPI MERCRUISER MX 6.2L MPI BRAVO MERCRUISER 350 MAG (SKI) GM 350 V-8 1991-1996 MERCRUISER 502 MAG. BRAVO (GEN. V) GM 502 V-8 1992-1993 MERCRUISER 8.2L Mag EC (Base Model) MERCRUISER 3.0L GM 181 I/L4 1990-1994 MERCRUISER 3.0LX GM 181 I/L4 1990-1995 MERCRUISER 4.3LX (GEN +) (2 BBL.) GM 262 V-6 1996-1997 MERCRUISER 4.3LXH (GEN +) (4 BBL.) GM 262 V-6 1996-1997 MERCRUISER 5.0L EFI GM 305 V-8 1999-2001 MERCRUISER 5.7L EFI GM 350 V-8 1999-2001 MERCRUISER 454 EFI (SKI) GEN. V GM 454 V-8 1995 .