Fuel Pump Eccentric- Fits 1964-1977 Tri-power Engine Performance Heat and age have taken

Heat and age have taken their toll and most originals are long gone

Studs have the correct 5/16-18 threads into intake and 5/16-24 up on top

The assembly comes ready to install less the check valve

One required

Screens are replacement that differ slightly from originals

Fuel Pump Eccentric- Fits 1964-1977 Tri-power Engine Performance Heat and age have taken1964 1977 Fuel pump eccentric. Exact reproduction of GM #9777561. Stamped, Machined, and Heat Treated in the USA. Critical use of 1018 Steel, Case Hardened 55 60 ( Rockwell "C") to a depth of . 015". Fits all 1963 and newer Pontiac V 8 engines used in GTO Lemans, Firebird, and Full Size.