MAP GM LS Torque Plate

LS-Series Engine Torque Plate The purpose of this GM LS torque plate is to simulate cylinder distortion that is present only when the cylinder head has been fastened to the engine block. It helps to ensure that the tolerances targeted and achieved during the boring and honing processes remain true with the cylinder head in place; A must for any application looking to exceed factory performance levels. Please Note: Use of Gen 3 Bolts not recommended due to thread and bolt depth. Warranty Manufacturer Standard Warranty