BBK Power Plus 85 millimeter Throttle Body for Dodge Hemi 5.7/6.1L is suitable whether you drive a Dodge Ram or Jeep, Chrysler 300, Dodge Magnum/Charger or the Hot Challenger R/T and SRT8. The BBK engineers have designed a great simple bolt on throttle body - that will add 12-15 horsepower without sacrificing mileage or drivability. It is available in 85 millimeter and 90 millimeter versions. The new "Power Plus Series" Hemi throttle bodies are manufactured from brand new CNC machined 356 aluminum housings. They are fitted with the highest quality components and brand new factory OEM electronic throttle controls. It makes installing a true bolt on with no modifications.