ProFiler v3.25PF/13º — Bare
950+ hp in NA bracket trim. 730+ hp in pump gas trim. In-house CNC program.
Package price: $4,900 — 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
Pro-Filer 13º casting with a CNC program designed in house. Brodix HV1300 or HV1301 fit perfectly; Edelbrock needs a spacer (SRH has spacers in stock). Many options: N2O chambers, 55º seats, valve sizing — call for more info. Bare package: CHE copper seats and guides, custom multi-angle valve job, MLS surface finish, guides sized. 1030+ hp from a 433 w/ single carb (built by Dyno-Tune Engineering).
| Min CSA | 3.08 in² |
|---|---|
| Avg CSA | 3.12 in² |
| Chamber | 42 cc |
| Opening | 1.500 × 2.280 |
| Port length | 6.155 |
| Intake | 2.180–2.220 |
| Exhaust | 1.580–1.600 |
| Seats | 50º |
| Flow @ .800 | 410 / 274 |
| Flow @ 1.000 | 418 / 287 |
Available add-ons (quoted with your order)
- Hand finished — $500
- SRH spacer plates — $185







