Product Description A840X, Power Cluster Air Chamber Diameter 7", Air Chamber Length 5" 4 Bolt Master Cylinder, Casting # FE1099
A838X, Power Cluster A838X, Power Cluster Air Chamber Diameter 6", Air Chamber Length 4", 3 Bolt Master Cylinder, Casti…
A839X, Power Cluster A839X, Power Cluster Air Chamber Diameter 7", Air Chamber Length 4", 4 Bolt Master Cylinder, Casti…