SBC 23 Degree Racing Cylinder Head
Race
Winning Performance out of the box... |
 - Accepts
up to 1.600 Springs
- End pads drilled and tapped
for accessories
- Bronze valve guides reduce stem
wear
- Perfect Stock Replacement Intake Port Size
195cc & 210cc
- Available in with or without water jackets
As with all
Pro-Filer Performance Products, our Small Block Chevy standard replacement cylinder
head is a fierce competitor on the track. Powerful port design produced with unbeatable
casting technology gives the "Pro-Filer" SBC Standard Port 23 degree
replacement head and edge on the market to provide you with awesome power to dominate
your field.
Whether
it's circle track or drag racing chose the Pro-Filer SBC for a ready to go straight
out-of-the-box solution to needing BIG power and BIG performance for little time
and money.
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Flow Numbers on a Profiler 210 AS CAST (no cnc porting) with Dr J's Performance valve job,blow blend and gasket match
tested a 28" with a 4.155 bore fixture
Intake 2.08 valve
.100 74 cfm
.200 135 cfm
.300 197 cfm
.400 243 cfm
.500 282 cfm
.600 290 cfm
.700 295 cfm
.800 299 cfm
Exhaust 1.60 valve test with a 1-3/4 pipe 3" long
.100 59 cfm
.200 112 cfm
.300 162 cfm
.400 189 cfm
.500 205 cfm
.600 212 cfm
.700 221 cfm
.800 228 cfm
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Technical Details
| Material: A356 Primary Ingot Aluminum |
| Valve Angle: 23 Degree (Intake) |
| Bore Spacing: Standard SBC |
| Intake Port Volume: 210cc |
| Combustion Chamber: 64cc |
| Exhaust Valve Diameter: 1.600 or 1.625 |
| Intake Port Flow: 295 cfm@ .700 with 2.055 valve |
| Intake Valve Diameter: 2.02, 2.055 or 2.080 |
| Deck Thickness: 1/2" Deck for Nitrous or Blown
Applications |
| Spark Plugs: Angled
.750 Reach, Gasketed (NGK R5671A-7 or colder) |
| Valve
Train: Standard or Shaft Mounted |
| Valve
Guides: Bronze Alloy (standard) |
| Spring
Pocket: 1.625 OD Maxiumum |
| Valve
Springs: Up to 1.600" Dia |
| Valve
Seats: Ductile Steel (standard) |
| Valve
Length: 4.890 - 5.115 (depending on spring size) |
Product
Accessory Details
| Intake Manifold: Aluminum Single or Dual Plane |
| Intake Gaskets: Use Fel-Pro 1206 or Mr. Gasket
5812) |
| Exhaust Gaskets: Use Fel-Pro
1406 |
| Valve Covers: Center or Rail
Bolt SBC |
| Pistons: Most 23 Degree
Aftermarket |
| Rocker Systems: Standard |
| Head Bolts / Studs: Stock Head Bolts or ARP #134-3601,
Head Studs - ARP 134-4001 or 234-4301 (12pt) |
| Push
Rod Length: Stock Length = 7.800 to +.100 (should be measured as needed) |
| Push Rod Guide Plate: MUST USE Isky #200-AGP |
| Stud Girdle: Can use any standard girdle |
| Block Use: Any SBC Block (Iron or Aluminum) |
Product Recommendations for Optimum Performance
| Intake Manifold: Any Dual or Single Plane Intake
Manifold |
| Bore Size: Optimized
for 4.030 bore |
| Pistons: Most Aftermarket |
| 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 |
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Pricing 195 cc & 210 CC Intake runner
Fully assembled with a precision 5 angle anti reversion intake valve seat &
Fully radius exhaust seat.
Gasket Matched to Fel-Pro 1205 or 1206, and Bowl Blend
Stainless steel 2.08 intake & 1.60 exh valves
HYD Roller springs .630 lift
steel retainers
10* locks
studs and guide plates $1295.00/pr
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Pro-Filer Cylinder Heads 
