HPI SAVAGE LOW CENTER OF GRAVITY CARBON FIBER SIDE PLATES THESE SIDE PLATES LOWER THE MOTOR AND TRANSMISSION 12mm LOWER THAN STOCK GIVING BETTER HANDLING. THE SIDE PLATES ARE 3MM THICK FOR DURABILITY. *** INCLUDED WITH ITEM *** 2 - 3MM CARBON FIBER SIDE PLATES *** NOTE ** THIS ITEM WILL REQUIRE MODIFICATION TO EITHER THE SUPPORTS UNDER THE ALUMINUM MOTOR PLATE FOR THE DRIVESHAFT TO CLEAR OR THE USE OF HPI PART #86375 LOW CENTER OF GRAVITY ENGINE PLATE.