Air Strike 12 Degree Small Block Chevy Racing Heads

Air Strike 12° Small Block Chevy Racing Cylinder Heads

Starting at
$2150.00 Each

Series P/N: 217 (QTY & OPTIONS ADDED TO BASE PRICE AT CHECKOUT)

  • 12 Degree Modified Valve Angle
  • 370cc Oval Intake Port
  • 44cc Heart Shaped Combustion Chamber
  • Up to 2.260 Intake & 1.600 Exhaust Valves
  • Accepts up to 1.650 O.D. Springs
  • Made in the U.S.A.

The Air Strike Cylinder Head is the latest technology for your SBC. The Air Strike 12° Small Block Chevy head is for the standard bore spacing and features symmetrical ports, splayed valves and a stable rocker bar platform.

Made from the same Aerospace A356 Alloy and casting technology that the U.S. military relies on, the Air Strike Cylinder Head is on point.

Also available as a core for Professional Head Porters, see our 217X Air Strike Head.

Air Strike Series by Pro-Filer

Series P/N: 217 Configuration Options


Casting Style
Valve Seats
Note: Copper Allow Seats recommended for TI Valves

The Pro-Filer Air Strike 12° Small Block Chevy Heads come with 370cc Oval Intake Ports, 44cc As Cast Chambers and they accept up to 2.260/1.600 Valves (Valve Job not included). Options include with Steel or Copper Alloy Seats and with either Waterjackets or Solid Heads.

Qty
Starting at
$2150.00 Each

Series P/N: 217 (QTY & OPTIONS ADDED TO BASE PRICE AT CHECKOUT)

Details


Series P/N: 217 SBC Head Specifications

Material:Aerospace Specification, A356 Aluminum Alloy (Primary Virgin Ingot)
Valve Angle:12° valve angle
Intake Port Volume & Shape: 370cc, PRECISION As-Cast, Oval Shaped
Combustion Chamber: Heart-Shaped, As-Cast 44cc
Spring Pocket:Maximum of 1.650 (no deeper) Exhaust Valve: 1.600"
Intake Valve:2.200"-2.250"
Exhaust Valve:1.600"
Deck Thickness:1/2"
Spark Plugs:Uses Gasketed 3/4" Reach Plugs such as NGK R5671-7 Series
Valve Seats: Copper Alloy
Valve Guides:Manganese Bronze to assist in extending valve life
Milling:.0050 per cc flat milling
Engine Size:400 cid & larger
Application: High Performance Drag Racing
Note:This is a racing cylinder head

Air Flow Detail #217 SBC Air Strike - 370cc Runner

Pro Filer Small Block Chevy Air Strike Heads with 370cc Intake Runner, 2.250" Intake Valve and 1.60" exhaust valve. Flow data based on Cylinder #1 intake and exhaust port. Flow measured at 28" of depression.

Air Flow Detail #217 - 370cc Runner

LiftIntake CFMExh CFM% Exh/Int
0.200 146 85 58%
0.300 217 156 72%
0.400 300 205 68%
0.500 364 245 67%
0.600 409 260 64%
0.700 427 271 63%
0.800 441 280 63%
0.900 452 282 62%
1.000 462 286 62%

Air Flow Chart #217 - 370cc Runner

PN217 Air Strike 370cc Runner Air Flow Chart

Copyright © 2016 - Pro-Filer Performance Products

Scroll to Top