Overview:B&M® Shift Improver Kit™ for 1981-1990 Chevrolet, Buick, Olds, Pontiac and GMC TH-200-4R transmissions, recalibrates your automatic transmission for optimum performance and extended life! Select the mode that best suits your application Provides crisp shifts on any stock automatic transmission Eliminates shift overlap and excess wear on clutches and bands due to slippage The B&M Shift Improver Kit the easiest way to get the stout performance you've always wanted out of your automatic transmission - and you get two modes of performance to select from: Heavy Duty, or Street/Strip. It's our least expensive and simplest to install kit. All you need are some hand tools! In the space of an afternoon, you can turn your transmission into a B&M-tuned unit! Ask the thousands of satisfied customers that have installed one in their transmissions! STAGE 1. HEAVY DUTY Firm positive shifts without loss of driver comfort for improved performance in all street vehicles. Recommended for regular passenger vehicles. STAGE 2. STREET/STRIP Provides positive shifts for high performance street use or for competitive events. This level is for the enthusiast who wants the hardest, quickest possible.Features: Perfect for Off-Road, Towing or Street/Strip Use Eliminates Soft and Sluggish Shifts Over 65 Years of B&M Quality Eliminates Shift Overlap Provides Crisp Shifts Easy Installation Application: Year Make Model Submodel Engine Size 1985 - 1989 Buick Electra Estate Wagon 1981 - 1984 Buick Electra 1981 - 1984 Buick LeSabre 1985 - 1990 Buick LeSabre Estate Wagon 1985 Buick LeSabre Limited 1985 Buick LeSabre Custom 1985 Buick LeSabre Collector's Edition 1981 - 1983 Buick Estate Wagon 1982 - 1987 Buick Regal 1985 Cadillac Commercial Chassis 1981 - 1984 Cadillac DeVille 1981 - 1986 Cadillac Fleetwood Brougham 1981 - 1986 Cadillac Fleetwood Brougham d'Elegance 1984 Cadillac Fleetwood 1987 - 1990 Cadillac Brougham 1981 - 1990 Chevrolet Caprice 1985 Chevrolet Caprice Classic 1982 - 1987 Chevrolet El Camino 1981 - 1985 Chevrolet Impala 1982 - 1983 Chevrolet Malibu 1982 - 1988 Chevrolet Monte Carlo 1984 - 1987 GMC Caballero 1981 - 1984 Oldsmobile 98 1985 - 1987 Oldsmobile Cutlass Salon 1982 - 1984 Oldsmobile Cutlass Calais 1982 - 1983 Oldsmobile Cutlass Cruiser 1982 - 1987 Oldsmobile Cutlass Supreme 1988 Oldsmobile Cutlass Supreme Classic 1988 Oldsmobile Cutlass Supreme Classic Brougham 1981 - 1985 Oldsmobile Delta 88 1981 - 1990 Oldsmobile Custom Cruiser 1982 - 1985 Oldsmobile Toronado 1981 - 1986 Pontiac Bonneville 1981 Pontiac Catalina 1989 Pontiac Firebird Trans Am 1989 Pontiac Firebird Trans Am GTA SE 1983 - 1987 Pontiac Grand Prix 1982 - 1986 Pontiac Parisienne 1987 - 1989 Pontiac Safari 1985 - 1987 Oldsmobile Cutlass Specs: Automotive Item Grade High Performance Brand B&M California Proposition 65 Chemical Name Cadmium and cadmium compounds California Proposition 65 Required Yes Emission Code 5 Gasket Included Yes Instructions Included Yes Product Type Automatic Transmission Valve Body Kit Warning California Proposition 65
