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The Prothane LS1 adapter plate kit for 1963–1972 GM truck applications supplies the adapter plates necessary to mount an LS1 in classic GM trucks from the specified years. In black, this kit helps establish proper engine alignment and mounting during swaps, providing a practical adapter solution for those installing an LS1 into these vintage truck frames.
Prothane 63-72 GM Truck LS1 Adapter Plate Kit - Black
