Girodisc Ford S550 Mustang Rear Replacement Rings Ford-Mustang GT-2017 9T engine with the largest

9T engine with the largest volume possible piston and cylinder design to unlock fuel delivery for hybrid turbos and our Stage 1/2 Plus ECU tunes

✅ Compatible with supercharged and NA applications

Eventuri Carbon Engine Cover – BMW G8X M3/M4

Important Note: Compatible with Radium 20-0197-V vented fill neck only

Girodisc Ford S550 Mustang Rear Replacement Rings Ford-Mustang GT-2017 9T engine with the largestOur replacement rings are sold in pairs and include replacement hardware. The only parts you will reuse are your existing GiroDisc hats. Please note that unless specifically noted, GiroDisc replacement rings are only designed to work with GiroDisc hats. They are not designed to be used with other brands, including hats from cars equipped with 2 piece rotors from the factory.