A classic perfected

                    …and on sale for a limited time!

• Monster M23 –  SBC 23° Valve Angle
• 223cc Intake Port
• Angled-Plug
• Bronze Valve Guides
• FED Prime Grade Stainless Steel Intake Valve 2.080? and Exhaust Valve 1.600
• Sold Per Set (Bare + Valves)
  
• 6 SETS available in our latest batch – Estimated completion date: 6/1/2024

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.

Specifications