- Accepts up to 1.660" springs
- Available with or without water jackets
- Bronze Valve Guides reduce stem wear
- 420cc Intake Port Size Modified Pro-Stock Oval Port Design flows 524 cfm
Introducing a revolutionary approach to Big Block Ford Racing, Pro-Filer Performance Products brings to you their BBF C-Replacement cylinder head. This head features remarkable intake flow coupled with the quality and performance known to Pro-Filer Performance Products Line.
Leave behind the days of not finding competitive, high quality cylinder heads and pull that FORD out of retirement because it is time to put the others to bed. At the track or the truck pull, rest assured the Pro-Filer BBF head is powerful!
Specific application Intake Manifolds for the new Ford head are not available yet, at this time we advise using a custom sheetmetal intake.
| Note: Flow rates may vary for any number of circumstances due to valve job, valves, the flow bench used, test parameters, etc. |
Technical Details
| Material: A356 Primary Ingot Aluminum |
| Valve Angle: 7.5 Degree (Stock C 460) |
| Bore Spacing: 4.900 (standard big block) |
| Intake Port Volume: 420cc (Pro-Stock Modified Oval Port) |
| Intake Port Location: Raised .200" from stock location |
| Intake Port Flow: 524 cfm@ .900 with 2.450 valve |
| Combustion Chamber: 60cc (.005 per cc flat milling, .007 per cc angle milling) |
| Exhaust Valve Diameter: 1.80 to 1.850 (1.850 standard) / 6.400 Length |
| Exhaust Port Location: Raised .200" from stock location |
| Intake Valve Diameter: 2.450 to 2.480 (2.450 standard) / 6.550 Length |
| Deck Thickness: 3/4" Deck for Nitrous or Blown Applications |
| Spark Plugs: Use .750" Reach, Gasketed (NGK R5671A-7 or colder) |
| Valve Train: Shaft Mounted (Jesel or T&D) |
| Valve Guides: Bronze Alloy (standard) |
| Spring Pocket: 1.600 OD Maxiumum |
| Valve Springs: Up to 1.660" Dia |
| Valve Seats: Copper Alloy (standard) |
| Block: SVO |
Product Accessory Details
| Intake Manifold: Fabricated Sheet Metal |
| Intake Gaskets: Use Fel-Pro Blank (cut-out) |
| Valve Covers: Sheet Metal Fabricated |
| Pistons: Custom |
| Rocker Systems: Jesel or T&D |
| Head Bolts / Studs: ARP |
Product Recommendations for Optimum Performance
| Intake Manifold: Any Dual or Single Plane Intake Manifold |
| Bore Size: Optimized for 4.600 Bore or Larger (no less than 4.550 bore) |
| Pistons: Wiseco Pistons for racing fuel applications, Venolia for Nitrous Applications |
| Rocker Systems: Shaft Mounted: Jesel or T&D (both available from Pro-Filer) |
| Nitrous Systems: Nitrous Express or Wilson Manifolds Pro-Flow |
| Valves: VICTORY Valves - Titanium or Stainless Steel (11/32 or 5/16 Valve Stem) |
| *Call our Tech Department for additional recommendations |
Ordering
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PN |
Description |
Price |
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205-2-5 |
Single 205 Series BB Ford Head with Copper Alloy Valve Seats & 5/16 Bronze Guides |
$1725.00 ea |
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205-2-11 |
Single 205 Series BB Ford Head with Copper Alloy Valve Seats & 11/32 Bronze Guides |
$1725.00 ea |
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205-3-5 |
Single 205 Series BB Ford Head with Valve Job and 5/16 Bronze Guides |
$1925.00 ea |
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205-3-11 |
Single 205 Series BB Ford Head with Valve Job and 11/32 Bronze Guides |
$1925.00 ea |
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205-4-5 |
Single 205 Series BB Ford Head - Assembled with 5/16 Bronze Guides, 3 angle valve job, Steel Seats, Titanium Valves (2.300/1.880), Steel Retainers, Double Roller Springs, 10 Degree Locks
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$3870.00 ea |
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205-4-11 |
Single 205 Series BB Ford Head - Assembled with 11/32 Bronze Guides, 3 angle valve job, Steel Seats, Stainless Steel Valves (2.300/1.880), Steel Retainers, Double Roller Springs, 10 Degree Locks
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$3870.00 ea |
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PN |
Description |
Price |
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205-2-5S |
Single 205 Series BB Ford Head No Water Passages - with Copper Alloy Valve Seats & 5/16 Bronze Guides |
$1825.00 ea |
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205-2-11S |
Single 205 Series BB Ford Head No Water Passages - with Copper Alloy Valve Seats & 11/32 Bronze Guides |
$1825.00 ea |
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205-3-5S |
Single 205 Series BB Ford Head No Water Passages - with Valve Job and 5/16 Bronze Guides |
$2025.00 ea |
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205-3-11-S |
Single 205 Series BB Ford Head No Water Passages - wth Valve Job and 11/32 Bronze Guides |
$2025.00 ea |
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205-4-5-S |
Single 205 Series BB Ford Head No Water Passages - Assembled with 5/16 Bronze Guides, 3 angle valve job, Steel Seats, Titanium Valves (2.300/1.880), Steel Retainers, Double Roller Springs, 10 Degree Locks
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$3970.00 ea |
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205-4-11-S |
Single 205 Series BB Ford Head No Water Passages - Assembled with 11/32 Bronze Guides, 3 angle valve job, Steel Seats, Stainless Steel Valves (2.300/1.880), Steel Retainers, Double Roller Springs, 10 Degree Locks
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