Small Block Chevy's 305 307 327 350 383 400 Gen 1 & 2 Up to 1994
Melling M-55HV SBC Chevy Oil Pump HIGH Volume Oil Pump, Pick Up Screen & Steel Drive Rod for Small Block Chevy's 305 307 327 350 383 400 Gen 1 & 2 Up to 1994 with 5/8" Oil Pump Screen tube. NOT a 3/4"