B&M Shift Improver Kit 81-90 Th-200-4R - 35265
$88.89
Skip to product information
B&M Shift Improver Kit 81-90 Th-200-4R - 35265
$88.89
B&M Shift Improver Kit for 1981-1990 Chevrolet, Buick, Olds, Pontiac and GMC TH-200-4R transmissions. It recalibrates the transmission for improved performance and extended life, eliminates shift overlap and excess clutch/band wear, and offers Heavy Duty and Street/Strip modes.