AFCO Master Cylinder 7/8" Bore Integral Reservoir Aluminum 6620011

When it comes to race-day braking confidence, the AFCO Master Cylinder 7/8" Bore Integral Reservoir (PN: 6620011) delivers the precise, responsive feel that serious competitors demand. Built from lightweight aluminum with a hard anodized piston, this master cylinder is engineered to hold up under the toughest conditions while keeping your pedal feel sharp and consistent. Whether you're setting up a new chassis or upgrading an existing build, this is the kind of reliable hardware that earns its spot on the podium.

• Bore Size: 7/8"
• Stroke Length: 1.375"
• Material: Aluminum
• Finish: Natural
• Reservoir: Integral aluminum
• Piston: Hard anodized
• Return Spring: External
• Mounting Holes: 2 (dual bolt patterns)
• Includes: Cylinder, reservoir, cap & pushrod

The external return spring ensures quick pedal recovery and minimizes unnecessary pad wear, while the dual bolt pattern gives you the flexibility to fit a wide range of chassis setups. The integral reservoir keeps things compact and tidy under the hood — smart design that saves space without sacrificing capacity. If you're serious about braking performance, the AFCO 6620011 is a trusted, race-proven choice.