All American 219X 13 Degree Small Block Chevy Racing Heads

All American Race Series
CNC Machined 13°
SBC Cylinder Heads

Starting at
$1640.00 Each

Series P/N: 219X (QTY & OPTIONS ADDED TO BASE PRICE AT CHECKOUT)

  • 13 Degree Modified Valve Angle
  • 300cc CNC Ported Intake Port
  • 42cc Heart Shaped CNC Machined Chambers
  • Up to 2.200 Intake & 1.600 Exhaust Valves
  • Accepts up to 1.675 O.D. Springs
  • Made in the USA

The New All American Race Series 13° CNC port cylinder head features the most reliable casting in the industry. Made from Pro-Filer's unique A356 alloy and featuring an unmatched port and chamber design, this head has what it takes to get you to the front of the pack.

Fully CNC machined 300cc Intake Ports for High Flow rates and designed with a solid rocker bar, an efficient combustion chamber and well over 400cfm it is easy to see why this is an "All American" choice for you SBC racing application.

All American RS Series by Pro-Filer

Series P/N: 219X Configuration Options


Casting Style
Valve Seat Material

Includes 300cc CNC Ported Intake Ports, CNC 42cc Chambers, 11/32" guides and 2.200/1.600 Valve Job. Your choice of Valve Seats - Steel (STD) or Copper Alloy.

Qty
Starting at
$1640.00 Each

Series P/N: 219X (QTY & OPTIONS ADDED TO BASE PRICE AT CHECKOUT)

Details


Series P/N: 219X CNC Machined SBC Head Specifications

Material:Aerospace Specification, A356 Aluminum Alloy (Primary Virgin Ingot)
Valve Angle: 13 Degree
Intake Port Volume 300cc CNC Ported
Combustion Chamber: 42cc Heart Shaped CNC Machined Chamber
Spring Pocket:Maximum of 1.675 (no deeper)
Valve Diameter: Intake 2.180"-2.200", Exhaust 1.600"
Deck Thickness:1/2"
Spark Plugs: .750 Reach, Gasketed (NGK R5671A-7 or colder)
Valve Seats: Steel (Steel) or Copper Alloy
Valve Guides:Manganese Bronze to assist in extending valve life
Rocker System:Shaft
Milling:Flat - .0050" per cc
Engine Size:357cid & larger
Valve Covers: Std SBC rail bolt
Bore Spacing: Standard
Application: High Performance Drag Racing / Circle Track
Application: Street, Strip, Circle Track, Marine

Air Flow Detail #219X SBC CNC All American Head - 300cc Runner

Pro Filer Small Block Chevy CNC All American Heads with 300cc Intake Runner, 2.200" Intake Valve and 1.600" exhaust valve. Flow data based on Cylinder #1 intake and exhaust port. Flow measured at 28" of depression.

Air Flow Detail #219X CNC 300cc Runner

LiftIntake CFMExh CFM% Exh/Int
0.200 182 127 70%
0.300 248 169 68%
0.400 314 205 65%
0.500 367 240 65%
0.600 390 261 67%
0.700 402 275 68%
0.800 405 286 71%

Air Flow Chart #219X - 300cc Runner

PN 219X All American CNC 300cc  Runner Air Flow Chart

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