‎Direct fit and no modifications, Used for 3-8" side post extension, For increased strength, conductive and reduced corrosion, BRASS battery post terminal for side post battery charging, SAE 3-8"-16 t

Ampper 3/8″-16 Thread Male Brass Side Post Battery Charging Post Terminals, Standard Side Post 3/8″ Battery Post Adapter (+/-) for GM Post, Pack of 4