Fits for SB/BB Chevy V8 & Chevy V6 Engines. For Chevy Corvette C7 2014-2019 Carbon Fiber Car Rear Bumper Diffuser Splitters. ✨Easy to Use: Thick rod design, triangular end, no sliding plate. Just insert the tool and connect a 3/8 "or 1/2" drive reversible drill bit.