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7L V8 1991 Chevrolet Caprice 1987 Chevrolet El Camino 305/5L V8 1987 Chevrolet Blazer 305/5L V8 1987 GMC R1500 305/5L V8 1987 GMC R1500 Suburban 305/5L V8 1987 GMC R2500 305/5L V8 1987 GMC V1500 305/5L V8 1987 Chevrolet R10 305/5L V8 1987 Chevrolet R10 Suburban 305/5L V8 1987 Chevrolet V10 305/5L V8 1987 GMC Jimmy 305/5L V8 1987 GMC Caballero 305/5L V8 1987 GMC R1500 350/5
Application GM LS Engines Brand Flowtech Collector Diameter 2
8 V8 1980 - 1982 Ford Thunderbird 255/4
Brake Type: No ABS
Fits 1988-1995 GM Truck 4.3/5.0/5.7L 3Pc Performance Under Drive Pulley-1603 filter-back-exhaust 7L V8 1991 Chevrolet CapriceInstall a set of BBK performance underdrive pulleys and see an average of 8 15 additional horsepower over the stock pulleys. Under drive pulleys increase engine output by reducing the draw of the engines accessories by slowing them down and reducing the HP they use. Additional and significant performance improvements can be seen by reducing the weight of the pulley versus the original pulley which is why we recommend the BBK CNC Machined billet
