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ProFiler 290cc Intake Runner Big Block Chevy 118cc CNC Combustion Chamber
On sale for $1995.00 + shipping
Kit contents:
1 pr. complete assembled ProFiler 290 24-degree heads 118cc CNC-ported combustion chambers, Dr J's 5 angle valve job, and bowl blend
Stainless steel undercut 2.25 or 2.30" x 1.88" valves
Double springs for HYD roller cams up to .650" lift (other springs also available)
10-degree chrome molly retainers
New 10-degree steel locks & Viton rubber seals
Steel spring cups
7/16" screw-in rocker arm studs
3/8" guide plates
Oval port design promotes high intake port velocity for killer torque output
Available in 290cc
End pads drilled and tapped for accessories, standard stud girdles and rockers fit!
Accepts up to 1.625 Springs
Flow Numbers Dr J's Performance ProFiler 290cc intake runner 118cc chamber
Intake 2.25 valve Exhaust 1.88
.100 82 cfm
.200 163 cfm
.300 236 cfm
.400 295 cfm
.500 335 cfm
.600 355 cfm
.700 358 cfm
exhaust 2"X 3" PIPE
.100 69 cfm
.200 117 cfm
.300 160 cfm
.400 193 cfm
.500 224 cfm
.600 251 cfm
.700 268 cfm
Unbeatable unique casting technology along with unbeatable cylinder head design gives us the "Pro-Filer" BBC Standard Port 24 degree replacement cylinder head.
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 Edelebrock RPM Air gap Rectangle Port
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 - brodicx or dart style
Dr J's Performance Competition Ported SBC Hurricane