![Tuff Stuff 2303NB: Brass Proportioning Valve Kit 2027, 2028, 2071, 2072 Master Cylinder [Disc/Disc]](/web/image/product.product/37372/image_1024/%5BTFF-2303NB%5D%20Tuff%20Stuff%202303NB:%20Brass%20Proportioning%20Valve%20Kit%202027%2C%202028%2C%202071%2C%202072%20Master%20Cylinder%20%5BDisc-Disc%5D?unique=8aa403e)
![Tuff Stuff 2303NB: Brass Proportioning Valve Kit 2027, 2028, 2071, 2072 Master Cylinder [Disc/Disc]](/web/image/product.product/37372/image_128/%5BTFF-2303NB%5D%20Tuff%20Stuff%202303NB:%20Brass%20Proportioning%20Valve%20Kit%202027%2C%202028%2C%202071%2C%202072%20Master%20Cylinder%20%5BDisc-Disc%5D?unique=8aa403e)
Tuff Stuff 2303NB: Brass Proportioning Valve Kit 2027, 2028, 2071, 2072 Master Cylinder [Disc/Disc]
Master Cylinders 2027, 2028, 2071, 2072
Proportioning Valve Kit 2027, 2028, 2071, 2072 Master Cylinder Disc/Disc 1/2 and 9/16 in. Ports Brass Includes: (1) OE Mounting Bracket (1) Proportioning Valve (1) Brake Light Switch Wire (2) Short Brake Lines Hardwar