BMF 18 Degree Small Block Chevy Heads are designed for the sportsman racer who wants more. Our approach insures that you get the right racing head for your engine program every time. 18 Degree SBC BMF heads are simply the best way to make the most power, straight out of the box! All BMF heads are fully CNC ported, not just the chambers.

Features:
• A355 T-6 Virgin Aluminum Alloy
• BMF Exclusive V-xtreme2 Valve Seat Geometry
• Ductile Iron Valve Seats
• Bronze Alloy Valve Guides
• Increased Deck Thickness
• 63cc Chambers
• Utilizes Existing 18 Degree SBC Intake Manifolds
• Fits Standard Chevrolet Style Blocks
• 18 Degree SBC Spreadport Header Pattern*
• Requires the use of a shaft style rocker system

Assembly Package Includes:
• 2.125" or 2.150" Severe Duty Intake Valves
• 1.600 Severe Duty Exhaust Valves
• 1.640" Double Coil Valve Springs (.880 Lift)
• 10 Degree Titanium Retainers
• Machined Locks
• BMF Exclusive MCV Valve Seals
• Hardened Spring Cups

Available Options Include:
• Copper Alloy Seats
• Titanium Valves
• Header Adapter Plates for Reher Morrison Pattern*