MATCO mfg's MCMC-4 master cylinder uses a REMOTE reservoir. The MCMC-4 can be used in individual or dual brake applications. Buna-n orings are used in this assembly. Mil-H-5606 aircraft hydraulic fluid or compatible fluids are reccomended. DOT5 may be used but not DOT5.1 which contains glycol. DOT3 and DOT4 may not be used and will cause immediate damage to the seals. 
Umiversal - Vertical or horizontal mounting with exterior reservoir.

• The MC-4 has an adjustable clevis.

• Measures 8.05 +-0.25 inches from end to end.
• Measures 7.5 +-0.25 inches from mounting hole to mounting hole.
• A 0.625 inch diameter piston is used.
• Stroke is approximately 1.388 inches.
• Displacement is 0.43 cubic inches.
• The ports on all MATCO mfg master cylinders are 1/8 inch NPT (except the MC-4E).

MCMC-4A P/N:P/N: 06-11100 is .50 inch shorter that the MCMC-4