Key Specs

D-40-29
MFG. Part #8747
BrandMSD
CARB EO#
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MSD 8747 Details

You can easily change the RPM limit on your MSD ignition box by switching RPM modules. Kit includes five chips in 200 RPM increments over a 1000 RPM range.

MSD 8747 Specifications

D-40-29
KEY SPECS
MFG. Part #8747
BrandMSD
CARB EO#
GENERAL
GTIN Code085132087471

Ratings & Reviews

5

4 Reviews

Overall Assessment

Customers appreciate the product for its effectiveness and functionality, with repeated purchases indicating a high level of satisfaction. The product's main feature, the rev limiting chips, works as expected and meets the specific regulations required in IMCA racing. The product's quality and practicality are commended, setting it apart by ensuring reliable performance and consistently exceeding user expectations.

5

4 reviews

5

4

4

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Everything work well

5.0

5 years ago

Butch

Alabama

Verified

Exactly what I expected and worked great

Would Recommend

Repeat buyer. Yes

5.0

9 years ago

Jim

Colchester Illinois

Verified

Circle track

Would Recommend

Very good product

5.0

9 years ago

Scott

Carmi, Illinois

Verified

Rev chips

Would Recommend

Rev limiting chips

5.0

11 years ago

Jim53

Southern California

Verified

They do just what the name says and they satisfy the rules we run under in IMCA .

Would Recommend

Showing 4 of 4 reviews

Questions & Answers

1 Question1 Answer

What chips fit older 6420 6al box?

by Ron

5 years ago

1 answer

1 of 1 questions shown

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