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![Master Cylinder Install Kit for GM [1 in. Bore, Black]](https://www.jegs.com/images/mini_750/500/555/555-631390k.jpg)
Vehicle Info NeededJEGSPART NUMBER: 555-631390K
Master Cylinder Install Kit for GM [1 in. Bore, Black]
$26396
Ships on Oct 19, 2026
Lowest Price GuaranteeMaster Cylinder Install KitGM Universal Mounting 1 in. Bore Includes:
- Aluminum Master Cylinder
- Adjustable Proportioning Valve
- Zinc Brake Line Coil Kit
- Racing Brake Fluid
Master Cylinder Install Kit Includes:
- (1) JEGS Black Powder Coated Aluminum Master Cylinder 555-631390
- (1) JEGS Adjustable Proportioning Valve 555-63020
- (1) JEGS Zinc Brake Line Coil Kit 555-63030
- (1) JEGS Racing Brake Fluid (12 oz.) 555-28073
JEGS EZ Kits are designed by JEGS professionals to ensure that you get all the correct parts you need.
Part TypeMaster Cylinder
Product LineJEGS Master Cylinder Install Kits
BrandJEGS
Part CategoryReplacement Parts
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
