Block has number 5271 stamped in it. Accelerator pump passage is open. Block was removed from a core carburetor. See pics for condition.
Chrome Dual Feed Fuel Line For Holley 3310 4160 Carburetor Fits Inlet 3/8" Hose
3/8" Hose Dual Feed Fuel Line Chrome For Holley 3310 4160 Carburetor Fits Inlet
Chrome Dual Fuel Line For Holley 3310 4160 Vacuum Secondary Carburetor 3/8 Hose
AED 4160 Holley Vacuum Secondary Carburetor Rebuild Renew kit 600-870 -NEW-3310
Holley 3310 Carburetor Base Plate 12R 5204 Throttle Blades 109 & 311 New
Holley 4-barrel Carburetor Baseplate Vacuum Secondary 12r-4770b 750 780 CFM 3310
