Small bore BIG power
TAKING PRE-ORDERS NOW FOR THE JUNE 2024 BATCH!
- 3.780? Bore Minimum
- Fully CNC ported, 62cc chamber volume
- 235 cc intake port, 96cc exhaust port and 15° valve angle
- 0.625 Deck Thickness
- High Quality Components:
- FED Stainless Steel Severe Duty Valves
- Custom PAC .700? Lift Valve Springs
- Titanium Retainers
- Note: Chamber width requires 4.030 bore gasket minimum
Description
The Monster Series is the first threshold into HP creation far beyond any OEM head.
Frankenstein introduced another level of horsepower when The Monster was brought to life. FED poured our arsenal of precision engineering into a common cylinder head and woke the industry. Intake and exhaust chambers are 5-Axis CNC ported with our latest high performance program, meticulously hand blended and deburred. Our strict quality control processes ensure extreme attention to detail and precise tolerances. High quality components include FED’s premier stainless steel severe duty valves, custom PAC .700” lift valve springs, titanium retainers, bronze guides .
Specifications
| Description | Specification | Part Number |
| Min. Bore Dia. | 3.780” Note: Chamber width requires 4.030 bore gasket minimum | |
| Intake Port Volume | 235cc | |
| Exhaust Port Volume | 96cc | |
| Chamber Volume | 62cc | |
| Intake Valves | 2.040” x 4.915” x 15° | 914019 |
| Exhaust Valves | 1.575” x 4.935” x 15° | 914020 |
| Valve Springs | .700? Lift FED exclusive by PAC | 914005 |
| Retainers | FED Titanium-64 – LS Dual Spring | 914040 |
| Valve Locks | GM Valve Lock | 916051 |
| Valve Seals | U.S. Seal – Viton High Heat Seal VS-805V .311/.500/8mm | SPRVS805USS |
