AFCO Aluminum Master Cylinder 3/4" Bore Integral Reservoir 6620010

When every millisecond counts on the track, you need braking hardware you can trust without hesitation. The AFCO Aluminum Master Cylinder 3/4" Bore (Part #6620010) delivers razor-sharp pedal response and rock-solid reliability, purpose-built for the demands of serious racing. With its hard anodized piston, external return spring, and integral aluminum reservoir, this master cylinder is ready to perform lap after lap without compromise.

• Bore Size: 3/4 inch
• Stroke Length: 1.375 inches
• Material: Aluminum, natural finish
• Reservoir: Integral design
• Piston: Hard anodized
• Return Spring: External
• Mounting: Dual bolt patterns
• Use: Racing applications

The integral reservoir keeps brake fluid consistently available under hard braking conditions, while the dual bolt patterns make fitment straightforward across a wide range of racing setups. The external return spring not only sharpens your pedal feel but also helps extend brake pad life — a smart detail that pays off over a full season of racing. If you're serious about your braking system, the AFCO 6620010 is a proven upgrade worth every penny.