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Fits 1982 to 1993 GM TH700R4 4L60 automatic transmissions. Does not fit 4L60E transmission. Compatible with Buick, Chevrolet, GMC, Oldsmobile, and Pontiac The B&M Shift Improver Kit the easiest way to get the performance you've always wanted out of your automatic transmission, two modes to select from: Heavy Duty, or Street/Strip. It's our least expensive and simplest to install kit. On Any Stock Automatic Transmission Provides Crisp Shifts Eliminates Shift Overlap Eliminates Soft and Sluggish Shift.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.