Pro-Filer Sniper BBC Heads

PRO-FILER Oval Port Design BBC Aluminum Cylinder Heads Complete with Manley SS Valves, Nex Tek 1.640 Roller Springs, Titanium Retainers Race Ready

$2495.00


BBC 24 Degree   290-320-350cc
Standard Port Cylinder Heads

174 Cylinder Head Intake ViewOval port design promotes high intake port velocity for killer torque output • Available in 290cc, 320cc and 350cc intake port sizes to cover all applications • End pads drilled and tapped for accessories • standard stud girdles and rockers fit • Accepts up to 1.625 Springs

Sniper 24 Degree Heads are now available with CNC Porting for even more air flow!

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 and 350cc) 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. Ships UPS or Fed Ex

Note: Manufacture Flow rates may vary for any number of circumstances due to valve job, valves, flow bench used, test parameters

Note: Manufacture Flow rates may vary for any number of circumstances due to valve job, valves, flow bench used, test parameters

Note: Manufacture Flow rates may vary for any number of circumstances due to valve job, valves, flow bench used, test parameters

Technical Details

Material: A356 Primary Ingot Aluminum
Valve Angle: 24 Degree (rolled two degrees)
Intake Ports: 290cc, 320cc, 350cc
Intake Port Design – Modified Oval Port
Intake Port Flow: 290cc = 365cfm @.800, 320cc = 395cfm @.800, 350cc=420cfm@.800 Profiler #’s
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 – Stock BBC (Jesel or T&D for best results)
Valve Seats – Ductile Steel
Accessories – Heads drilled and taped for standard accessories

Product Accessory Details

Intake Manifold: Pro-Filer Single Plane
Intake Gasket: Special Pro-Filer or Cometic PN IR250060KF
Valve Cover Gasket: Stock BBC
Exhaust Gasket: Stock BBC
Head Gasket: 4.540 bore Cometic C5433 or Fel-Pro 1017
Head Gasket: 4.600 bore Cometic C5434 or Fel-Pro 1057
Valve Covers – Standard BBC Bolt Pattern Pro-Filer PN 191
Rockers – Stock BBC (Jesel or T&D for best results)
Pistons: Most 24 Degree Aftermarket
Valve Springs – Up to 1.670″ Dia
Valve Spring Installed Height: 2.000″
Head Bolts – ARP
Head Studs – ARP

Product Recommendations for Optimum Performance

Intake Manifold: Pro-Filer Sniper Tunnel Ram
Pistons: Wiseco
Nitrous Systems: NOS or Nitrous Express
Bore Size: Optimized Bore of 4.50 and larger
Rocker Systems: Shaft Mount (Jesel / T&D)
Valves: Manley or Victory Titanium Valves

Part Numbers
Copper Seats available by special order add $100. Manley or Victory Titanium Valves available, call for details.

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