The B&M® Shift Improver kits™ feature two options to recalibrating your 1965-1987 GM TH400, TH375 and TH475 automatic transmissions. First is the HEAVY DUTY set-up, giving you firm positive shifts without loss of driver comfort for improved performance in all street vehicles. This is a great option for performance street driving or towing. The second is our STREET/STRIP set-up. Be warned, this will deliver firm positive shifts you will feel, along with easily chirping the tires when shifting somewhat aggressively. This setting is recommend for high performance street/strip use, or for competitive events when you want the hardest, quickest shifts possible from a shift improver kit.
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1986-chevrolet-c30-esi6591556 , 1987-chevrolet-blazer-esi8100909 , 1988-cadillac-brougham-esi6698316 , 1988-chevrolet-blazer-esi5098554 , 1988-chevrolet-c1500-esi5254826 , 1988-chevrolet-c2500-esi7139686 , 1988-chevrolet-c3500-esi6038787 , 1989-cadillac-brougham-esi6852605 , 1989-chevrolet-c2500-esi1459682 , 1989-chevrolet-c3500-esi2105760 , 1990-cadillac-brougham-esi3359623 , 1990-chevrolet-blazer-esi1498819 , 1990-chevrolet-c1500-esi9418191 , 1990-chevrolet-c2500-esi1742276 , 1990-chevrolet-c3500-esi1521289 , CARB:N , Category:AutomaticTransmissionShiftKit , Category:ServiceKits , Category:Transmission , CategoryPath:TransmissionServiceKitsAutomaticTransmissionShiftKit , CoreCharge:0 , EPA:N , LTL:N , MPN:20260 , SpecialOrder:N , SupplierOrderID:B3220260
$399.95
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