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Holley 45-224 - Electric Choke Conversion Kit, For Holley, with External Vacuum Source

These kits can be used to convert Holley carburetors which originally came equipped with manually-operated choke or automatic/electric operated choke. 
Electric Choke Conversion Kit Standard Finish w/External Vacuum Source (0-4412, 0-4776, 0-4777, 0-4778, 0-4779, 0-4780, 0-4781, 0-6299, 0-6708, 0-6709)

  • With Mounting Hardware
  • 4412 requires P/N 45-465
DETAILS
Carburetor Application: Holley 4150
Notes: This choke kit fits carburetors with an external vacuum source.
Available downloads:
Download instructions

No video avaliable.

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  • Linkage kit 45-465 is required when converting a 0-4412 to an electric choke with the 45-224 electric choke conversion kit.

Holley 45-224 - Electric Choke Conversion Kit, For Holley, with External Vacuum Source

These kits can be used to convert Holley carburetors which originally came equipped with manually-operated choke or automatic/electric operated choke. 
Electric Choke Conversion Kit Standard Finish w/External Vacuum Source (0-4412, 0-4776, 0-4777, 0-4778, 0-4779, 0-4780, 0-4781, 0-6299, 0-6708, 0-6709)

  • With Mounting Hardware
  • 4412 requires P/N 45-465
DETAILS
Carburetor Application: Holley 4150
Notes: This choke kit fits carburetors with an external vacuum source.

Available downloads:
Download instructions

No video avaliable.

0 of 0 reviews

Average rating of 0 out of 5 stars

Leave a review!

Share your experiences with other customers.


  • Linkage kit 45-465 is required when converting a 0-4412 to an electric choke with the 45-224 electric choke conversion kit.

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Holley® has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR® Cup team and nearly every NHRA® Pro–Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies we can give you the edge you need over the competition!