Drag Specialties Front Master Cylinder Rebuild Kit – Harley Shovelhead 1973–1981 – 3/4" Bore – Replaces OEM 45063‑72

 

DESCRIPTION
Complete front master cylinder rebuild kit for Harley‑Davidson Shovelhead models from 1973–1981. Designed for 3/4" bore master cylinders, this Drag Specialties kit meets or exceeds OEM specifications and restores proper braking performance. Direct replacement for Harley OEM part number 45063‑72.

FEATURES
• Complete front master cylinder rebuild kit  
• Fits 3/4" bore master cylinders (Imperial)  
• Meets or exceeds OEM performance standards  
• Direct replacement for Harley OEM 45063‑72  
• Restores proper brake pressure and lever feel  
• High‑quality components for long service life  

FITMENT
Harley‑Davidson Models:

1981  
• FLTC Tour Glide Classic  
• FXEF Fat Bob  
• Electra Glide Classic FLH  
• Electra Glide Heritage FLH  

1980–1981  
• FXWG Wide Glide  
• FXB Sturgis  
• FLT Tour Glide  
• FLHS Electra Glide Sport  

1980  
• Tour Glide Classic FLTC  

1979–1981  
• XLS Roadster  

1979–1980  
• Super Glide 80 FXE  
• 1200 Super Glide FXE  
• 1200 Fat Bob FXEF  
• Fat Bob FXEF  

1979  
• 1200 Low Rider FXS  
• Electra Glide FLH  
• Low Rider FXS  

1978–1980  
• 1200 Electra Glide FLH  

1977–1978, 1980–1981  
• FXS Low Rider  

1977–1978  
• XLCR Café Racer  
• XLT  

1974–1978  
• FXE Super Glide  

1973–1981  
• XLH1000  

1973–1980  
• Electra Glide FL  

1973–1979  
• XLCH  

1973–1978, 1980–1981  
• FLH Electra Glide  

1973–1978  
• FX Super Glide  

WHY RIDERS CHOOSE THIS
• Restores strong, consistent braking on vintage Shovelheads  
• OEM‑style fitment for 3/4" master cylinders  
• High‑quality components built for long service life  
• Perfect for maintenance, rebuilds, and Shovelhead restorations  
• Trusted Drag Specialties quality — not cheap marketplace imports  

NOTES
• Direct replacement for OEM 45063‑72  
• For 3/4" bore front master cylinders