Hooker BlackHeart Transmission Crossmember - Swap LS to GM A-Body RG400033XL Shift Improver Kit for E4OD

Shift Improver Kit for E4OD Automatic Transmission

Step Retard

6061-T6 Aluminum w/ Black Anodized Finish

With full travel Hydraulic lifters in performance engines

Hooker BlackHeart Transmission Crossmember - Swap LS to GM A-Body RG400033XL Shift Improver Kit for E4ODHooker holds to its claim of the winningest header in drag racing history. Hooker still leads the way in design and technology with products like engine swap headers for putting a late model LS engine into early iron. And, Hooker still leads the way in coating processes with the recent introduction of "Darksides" black ceramic. The famous Hooker heart logo is among the most recognized in the performance aftermarket. It is a symbol of unmatched