Competition Engineering Engine Mount Adapter Plate C4006; for Chevy 4.3L V6, SBC. SBC and 90? , V6 Engines, 2 Piece. Make sure your motor stays in place! Provides a solid connection between the engine and the chassis. Improves reaction and 60-foot times. Eliminates twisting of the chassis caused by engine torque and ensures that the power gets to the rear wheels. Computer designed and machined for accuracy. Machined from 6061-T6 Aluminum. Used by leading builders as a positive method of locating the engine in the chassis. Perfect for performing engine swaps or setting motor back in chassis for increased weight transfer. Dimensions: 10-1/2″ x 8-1/2″ x. Motor Plate, SBC and 90 Deg. PerformanceParts is an authorized reseller of Competition Engineering. All items will be declared as actual value, we do not mark as gift or at a reduced value. Some items cannot be combined due to size or weight. Items must be in the original packaging. For your protection, we recommend insuring the package for the full value. Please provide pictures if possible (for both the item and the packaging). If you have any questions or concerns regarding the item, please contact our customer service department. To return an item, please follow the steps below. Wait for an RGA number to be issued. This process may take up to 5 days. All instances of fraud are referred to IC3, as well as state and local authorities, and will be prosecuted. Monday – Friday 8AM to 6PM Central Standard Time.