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Airflow Research 1420 SBC 180cc Aluminum Cylinder Heads

Manufacturer

Picture for manufacturer Airflow Research

Part Number

1420
10 reviews
Sale Price

$2,208.46

1 left at this price

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Usually delivered within 2 days

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Product Details

The Airflow Research 1420 aluminum cylinder heads are engineered for small block Chevrolet applications requiring superior airflow and performance. These precision-crafted heads feature 180cc intake runners designed to deliver excellent power gains across a broad RPM range, making them ideal for street/strip and mild racing applications.

Key Features:

  • 180cc intake runner volume optimized for 350-383 cubic inch engines
  • CNC-machined combustion chambers for consistent quality and performance
  • Premium A356-T6 aluminum construction for strength and heat dissipation
  • 65cc combustion chamber volume
  • 2.02/1.60-inch valve configuration for excellent flow characteristics
  • Accepts standard small block Chevy valve covers and intake manifolds
  • Fully assembled with valvetrain components

AFR cylinder heads are manufactured in the USA using state-of-the-art CNC machining centers, ensuring precise port shapes and combustion chamber volumes. These heads deliver proven power gains while maintaining excellent drivability for street-driven vehicles.

Products specifications

Accessory Bolt Holes Drilled

Yes

Calculator

Compression Calculator

CNC-Machined Combustion Chamber

Yes

CNC-Machined Exhaust Runner

Yes

CNC-Machined Intake Runner

Yes

Combustion Chamber Style

Heart

Combustion Chamber Volume (cc)

72

Cylinder Head Finish

Natural

Cylinder Head Material

Aluminum

Cylinder Head Style

Assembled

Damper Spring Included

Yes

Exhaust Port Shape

Square

Exhaust Runner Volume (cc)

68cc

Exhaust Valve Angle

20

Exhaust Valve Diameter (in)

1.600 in.

Exhaust Valves Included

Yes

Guideplate Pushrod Size

5/16 in.

Guideplates Included

Yes

Heat Crossover

Yes

Intake Port Location

Standard

Intake Port Shape

Rectangular

Intake Runner Volume (cc)

185cc

Intake Valve Angle

20

Intake Valve Diameter (in)

2.020 in.

Intake Valves Included

Yes

Lock Style

7 degree

Locks Included

Yes

Machined for O-Ring

No

Maximum Valve Lift (in)

0.600 in.

Notes

These cylinder heads will accept AIR injection and are street ported.

Number of Springs Per Valve

Dual

Oiling Style

Through pushrod

Outside Diameter of Outer Spring (in)

1.290 in.

Quantity

Sold as a pair.

Retainer Material

Chromemoly steel

Retainers Included

Yes

Rocker Arm Nut Thread Size

3/8-24 in.

Rocker Arm Nuts Included

No

Rocker Arm Studs Included

Yes

Rocker Arms Included

No

Spark Plug Style

Angle

Steam Holes Drilled

No

Valve Cover Mounting Style

Perimeter bolt

Valve Guide Material

Bronze

Valve Seat Machine Style

3-angle

Valve Seat Material

Ductile iron

Valve Seats Machined

Yes

Valve Stem Seal Style

Viton®

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fast shipping and great prices

Received my product today was happy with the item purchased and will buy again from Autoplicity. Was received in a timely manner and like described

Helpful-reasonable prices-reasonable shipping-prompt.

Fast -regular- shipping even on large items. I was skeptical at first but I am happy and don't regret my purchase!!!

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