GM v2.65GM/18º — Complete
The next step up from a 23º. GM 363 casting — won many races over the years.
Package price: $4,250 — final price quoted to your combo.
Every head and porting package is sized to your combination. Send a work order and Chad will reply with a quote before any work starts.
Description
This is the next step for those who want to move into a powerful cylinder head from a 23º. This head features a GM 363 casting. Fully CNC’d, PAC 1356 springs, Manley titanium retainers, Manley bead locks, Manley locators, viton seals, bagged and ready for install.
| Min CSA | 2.65 in² |
|---|---|
| Chamber | 58 cc |
| Runner | 250 cc* |
| Valves | 2.150 / 1.60 |
| Seats | 50º |
| Fixture | 4.155 |
| Flow @ .700 | 364 / 255 |
| Flow @ 1.000 | 372 / 265 |
Package options
- Manley Custom Severe Duty valves — $4,250
- Manley Titanium valves — $5,250
Available add-ons (quoted with your order)
- Beryllium copper seats — $400
- Hand finished — $500
- Spacer plates — $185
- Jesel KPS-12265 rocker kit — $1,580
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