Continental Elite 49204K Accu-Drive Tensioner Assembly & Poly-V Kit Goodyear Engineered Products are now branded Continental Elite Round torsion spring technology instead of a flat-spring due to inherent corrosion protection OE-style locating pins are part of the base casting, ensuring mounting accuracy and alignment Increases drive efficiency Ensure drive components do not snag obstructions Maintains correct belt and chain drive tension Reduces belt and chain whip on long center drives Extends the life of critical drive components