Holley 2140 & 4000 Build Sheets MAKEBUILD SHEETAUTOCAR 490AR-14481955 MERCURY 292M-2011956 FORD THUNDERBIRD 292 & 312SHEET Updated on 11/02/2021 Was this article helpful? Yes No Related Articles Holley 2140 & 4000 Accelerator Pump Holley 2140 & 4000 Dashpot Holley 2140 & 4000 Check Balls Holley 2140 & 4000 Idle Holley 2140 & 4000 Choke Holley 2140 & 4000 Rebuild Need Support?Can't find the answer you're looking for?Contact Support