Inside to Inside width: 2.5. Bottom to Center bolt hole: 2.0. Center to center bolt hole length: 5-1/8. Center to center bolt hole width one: 2-3/8.Center to center bolt hole width two: 1-3/4. Works with Bryke Racing Part# 701-110. Combo Kit includes both engine mounts and frame mounts. The item "Solid Motor Engine Mount Combo SBC Chevy Frame Mount Rat Rod Hot Street stock" is in sale since Friday, March 22, 2013. This item is in the category "eBay Motors\Parts & Accessories\Performance & Racing Parts\Auto Performance Parts\Engine & Components\Racing Engines". The seller is "brykeracing" and is located in Lincoln, Arkansas. This item can be shipped worldwide.