Key Specs

MFG. Part #91012347
BrandSpeedway Motors
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Speedway Motors 91012347 Details

Stimulate your GM or Speedway Motors distributor with this 4 Pin HEI replacement ignition module. Engineered with low saturation for maximum spark intensity to provide high efficiency and keep your engine in great shape!

Speedway Motors 91012347 Specifications

KEY SPECS
MFG. Part #91012347
BrandSpeedway Motors
GENERAL
NotesHEI 4 PIN MODULE. 547PRD15659 HEAT SINK COMPOUND PACKET
Sold in QuantityEach

Ratings & Reviews

4.7

6 Reviews

Overall Assessment

Customers appreciate the product for its high quality and practicality. It's been praised for its excellent performance in replacing old ignition systems, notably improving the smoothness of idle and acceleration. The product is reliable, serving effectively as a spare, avoiding unexpected breakdowns. Users also highlight its great impact on engine speed and responsiveness, making it an ideal upgrade for specific engine types without the need for additional components. It's stated to outclass competitive modules, confirming its superior quality and functionality.

4.7

6 reviews

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Yes

5.0

3 months ago

Grub

Aurora Indiana

Verified

Makes my old Chevy run like a charm

Would Recommend

buy it

5.0

a year ago

bluimpala$$

riverside

Verified

im gunna buy another to have on hand as a back up

Would Recommend

Yes , I trust Speedway products

4.0

a year ago

Bigdaddy

Gloster la

Verified

I bought it as a backup

Would Recommend

I would buy this again if needed

5.0

2 years ago

Carl

Wilber, Ne

Verified

This product was great!! It fixed our daughters 1981 Chevy Squarebody.

Would Recommend

Servicable stock replacement

4.0

2 years ago

AJ

Eugene, Oregon

Verified

I carry this one as a spare to avoid being stranded.

Would Recommend

5 stars for good product and customer follow up(service)

5.0

6 years ago

Mac

northern Ca.

Verified

I used this hei module to upgrade the ignition on my vw sandrail what a huge difference from the usual points and coil system and the cheesy points replacement modules I had before the idle just pops and stays strong where it would load up with the points ignition before the rpms snap now with the dual webers and hit redline so much faster I do not need to add a cdi box in this application, seems to be enough for this particular engine and compression this review is more about service from speedway

Would Recommend

Showing 6 of 6 reviews

Questions & Answers

1 Question • 1 Answer

Is this product equivalant to wells dr100, W pin at approx 1.25v?

by John Corkin

• 5 years ago

1 answer

1 of 1 questions shown

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