GM 1973-94 9" Dual Diaphragm Booster w/ Threaded Rod Product Description:

• 9" Delco Style Dual Diaphragm Power Brake Booster
• Exact copy of Delco with Threaded Rod
• Black finish
• 3-3/8" Center to Center mounting for Master cylinder
• 3-3/8" Square bolt pattern mounting for firewall
• Rod length 7.25"
  DROPSHIPS FROM MANUFACTURER