Mike's Fab Shop Header Sizing Information
Sizing Instructions for Dragster Headers
Locate the cubic inch of your engine in the left hand column, then look across that row to the horsepower range that your engine falls into to see what size tubes should be used.
|
|
600-750 |
750-850 |
850-950 HP |
950-1050 HP |
1050-1150 HP |
1150-1250 HP |
1300-1400 HP |
1400-up HP |
|
468-520 cid |
2 1/8" |
2 1/8" |
2 1/8" - 2 1/4" |
2 1/8" - 2 1/4" |
2 1/4" |
2 1/4" - 2 3/8" |
2 3/8" |
2 1/2" |
|
520-582 cid |
2 1/8" |
2 1/8" |
2 1/8" - 2 1/4" |
2 1/4" |
2 1/4" |
2 1/4" - 2 3/8" |
2 3/8" - 2 1/2" |
2 1/2" |
|
582-632 cid |
|
2 1/8" |
2 1/8" - 2 1/4" |
2 1/4" |
2 1/4" - 2 3/8" |
2 1/4" - 2 3/8" |
2 3/8" - 2 1/2" |
2 1/2" |
|
632-up cid |
|
|
|
2 1/4" |
2 1/4" - 2 3/8" |
2 1/4" - 2 3/8" |
2 3/8" - 2 1/2" |
2 1/2" |
*ALL BLOWER CARS USE 2 1/2” OR ZOOMIES
Ordering Instructions:
Please have the following information ready when you call:
- Engine Make (BBC, SBC, Etc.)
- Head Type
- Finish Line RPM
- Accessories Needed (EGT, O2 Sensor Bungs, Pan-E-Vac, Etc.)
- Header Material Desired (Mild Steel, Stainless, Inconel, Titanium)
- Finish Type (Nitroplate, Chrome, Etc.)
