For 289/302/351W small block Ford engines (28.2 oz-in externally balanced, removable weight for neutral balance) - 1994-2001 Mustang and Explorer applications require modification
This SFI-approved Ford Performance harmonic balancer is for 289, 302 (5.0L) and 351W (5.8L) Windsor engines.
Ford Performance Crankshaft Damper - M-6316-C351