DSX LT4/LT5 Upper Idler Bracket System DSX LT4/LT5 Upper Idler Bracket System Black anodizing is now standard. This is for the LT4/LT5 enthusiasts who have wanted extra upper pulley wrap. These brackets are unique to the Camaro/V3 application vs C7.Designed, programmed,... MSRP: Was: Now: $299.99 - $499.99 Choose Options