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Pro-Filer is a Proud Sponsor of these organizations
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BBC 24 Degree
Standard Port Cylinder Heads
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Oval port design promotes high intake port velocity for killer torque output
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Available in 290cc & 320cc intake port sizes to cover all applications
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End pads drilled and tapped for accessories, standard stud girdles and rockers fit!
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Accepts up to 1.625 Springs
Sniper 24 Degree Heads are now available with CNC Porting for even
more air flow!
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 Unbeatable unique casting
technology along with unbeatable cylinder head design gives us the "Pro-Filer" BBC Standard Port 24 degree
replacement cylinder head.
Available in 3 different intake port sizes (290cc & 320cc) we have made this head usable by
anyone.
Ready to go, straight out of the box, the "Pro-Filer" BBC Standard Port solves every racers need of
getting BIG power and BIG performance for little time and money.
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Note: Flow rates may vary for any number of circumstances due to valve job,
valves, the flow bench used, test parameters, etc.
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Note: Flow rates may vary for any number of circumstances due to valve job,
valves, the flow bench used, test parameters, etc.
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Technical Details
Material: A356 Primary Ingot Aluminum
Valve Angle: 24 Degree (rolled two degrees)
Intake Ports: 290cc, 320cc
Intake Port Design - Modified Oval Port
Intake Port Flow: 290cc = 365cfm @.800, 320cc = 395cfm @.800
Combustion Chamber - 119cc, can be reduced to 105cc (.005 per cc flat milling, .007 per cc angle
milling)
Valve Spring Pocket - 1.625"
Bore Spacing: Standard BBC 4.840
Exhaust Valve - 1.880" - 1.900 / +.100 long
Intake Valve - 2.225" - 2.300" / +.250 long
Deck Thickness - Approx 1/2" deck for Nitrous and Blown applications
Spark Plugs - Use Gasketed 3/4" Reach Plugs NGK R5671A-7 or colder
Valve Guides: Bronze Alloy .562" OD
Valve Train - Uses Stock or Most
Aftermarket Rocker Systems (shaft mount recommended)
Valve Seats - Ductile Steel
Accessories - Heads drilled and taped for standard accessories (alternator)
Product Accessory Details
Intake Manifold: Pro-Filer Sniper Single Plane or
Fabricated Sheet Metal
Intake Gasket: Special Pro-Filer Cometic PN IR250060KF
Valve Cover Gasket: Stock BBC
Exhaust Gasket: Stock BBC
Head Gasket: 4.54 bore Cometic C5433 or Fel-Pro 1017
Head Gasket: 4.60 bore Cometic C5434 or Fel-Pro 1057
Valve Covers - Standard BBC Bolt Pattern Pro-Filer PN 191
Rockers - Standard BBC or shaft rockers (T & D, Jesel)
Pistons: Most 24 Degree Aftermarket
Valve Springs - Up to 1.670" Dia
Valve Spring Installed Height: Determined by Valve Height When Ordered
Head Bolts - Information Pending
Head Studs - Information Pending
Product Recommendations for Optimum Performance
Intake Manifold: Pro-Filer Tunnel Ram for 500cu in or
greater, Pro-Filer Single Plane
Pistons: Wiseco
Nitrous Systems: Nitrous Express or Wilson Manifolds Pro-Flow
Bore Size: Optimized Bore of 4.50 and larger
Rocker Systems: Stock or Shaft Mount (Jesel/T&D) both available from Pro-Filer
Valves: Victory Valves - Stainless Steel
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Part Numbers
Note: Copper Seats available by special order add $100. Victory Titanium Valves also
available, call for details.
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PN
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Description
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Price
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Qty
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174-29-02
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Ductile Steel Valve Seats & 11/32 Bronze Guides
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$550.00 ea
SALE
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174-29-03
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Valve Job with 11/32 Bronze Guides
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$650.00 ea
ON SALE
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174-29-04
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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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$1024.00 ea
ON SALE
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PN
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Description
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Price
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Qty
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174-29-02S
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Ductile Steel Valve Seats & 11/32 Bronze Guides
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$825.00 ea
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174-29-03S
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Valve Job with 11/32 Bronze Guides
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$925.00 ea
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174-29-04S
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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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$1299.00 ea
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PN
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Description
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Price
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Qty
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174-32-02
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Ductile Steel Valve Seats & 11/32 Bronze Guides
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$725.00 ea
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174-32-03
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Valve Job with 11/32 Bronze Guides
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$825.00 ea
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174-32-04
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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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$1199.00 ea
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PN
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Description
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Price
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Qty
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174-32-02S
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Ductile Steel Valve Seats & 11/32 Bronze Guides
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$825.00 ea
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174-32-03S
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Valve Job with 11/32 Bronze Guides
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$925.00 ea
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174-32-04S
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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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$1299.00 ea
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174 Series Cylinder Head Accessories
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PN
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Description
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Price
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Qty
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IR250060KF
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Cometic Single Intake Gasket for 174 Heads
Qty 2 required for new installations (replaces PN 174-IG)
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$11.66 ea
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updated 11/19/09
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Pro-Filer Performance Products
PO Box 217
New Carlisle, OH 45344
937-846-1333
info@profilerperformance.com
Not legal for sale or use on pollution controlled motor vehicles
Copyright - © 2010 Pro-Filer Performance Products
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