Features: * Application: Designed for V-belt systems only, fits for Chevy alternators with 6.56 inch, center to center bolt holes (12si style alternators). Compatible with small block engine Long Water Pump Chevrolet Chevy SBC 305 327 350 383 and the alternator on the vehicles. (This alternator bracket will use a 44" V-belt when using factory OEM size pulleys.) * High Performance: Easily & properly replace your old alternator bracket. Dress up the front of your engine and using the integrated turnbuckle tensioner attached to keep your V-Belt tight. Compatible With Chevrolet 551411. .
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