Hooker Transmission Crossmember Mount Extension Kit, Steel, Black, 1978-88 GM G-Body SKU HKR-12647 $62.35 Quantity discounts available QuantityPrice (0)No Reviews yet Number of Pieces Item Custom Price Quantity -+ Add to Cart Details For installing 12644HKR transmission crossmember into 1978-88 G-Body applications that were NOT equipped with a 200-4R transmission from the factory Details Back DetailsFor installing 12644HKR transmission crossmember into 1978-88 G-Body applications that were NOT equipped with a 200-4R transmission from the factory Ratings & ReviewsNo reviews availableBe the first to Write a Review