This is a weld in flange with a square bolt patter with 5/16-18 taped holes. Direct bolt on to the Pro-Jay Low Profile Mustang Style Throttle Body.
- 80mm - Standard Bolt Pattern - 3.470" x 3.470"
- 90mm - Standard Bolt Pattern - 3.470" x 3.470"
- 100mm - Oversize Bolt Pattern - 4.125" x 4.125"
- 105mm - Oversize Bolt Pattern - 4.125" x 4.125"
- 115mm - Oversize Bolt Pattern - 5.000" x 5.000"
- 125mm - Oversize Bolt Pattern - 5.000" x 5.000"