Bosch TMAP Weld Bung For Dodge Hellcat AlloyWerx Sale! from 2900 /per Qty. Add to Cart This item is either made to order or has limited inventory. Please reach out to confirm lead times if needed. AlloyWerx Bosch/Hellcat T-Map Weld bung. - Crafted from 6061-T6 - M6 Stainless Hardware