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HEI Advance Curve Kit

SAME DAY SHIPPING! Most orders ship within 24 hours.

HEI Advance Curve Kit

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Please note the following about this product:

  • This item is sold as a kit.

Details

Reviews (1)

Q & A (1)

What's in the Box

Info

Modifies any GM HEI distributor with either clockwise or counterclockwise rotation and offers plenty of curve possibilities.  Center plate eliminates overcentering of centrifugal weights.  Comes complete with detailed instructions.

NOTE: Installation of this kit may alter emission levels.

550-929 Instructions (PDF) 

Customer Reviews

Rated 5 out of 5 by 1 reviewers.
RATING BREAKDOWN
1 reviews
5 Stars
1
4 Stars
0
3 Stars
0
2 Stars
0
1 Star
0
RECOMMEND THIS PRODUCT:

JE
Verified Purchaser
Verified Reviewer
Fairbury, NE

Great product

November 12, 2015
Allowed me to dial in the timing on my 383 for good horsepower but slow enough to avoid detonation on lower octane fuel. Combined this with an adjustable vac advance to improve my mpg.
Yes, I recommend this product.
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Product Q&A

1 questions : 1 answers

1 answers

Do i need different spark plugs

El Pastor
Burnet Tx.
December 17, 2015

Do i need different spark plugs

Answers

December 18, 2015
Eric
Expert
No you can continue to use the same spark plugs when using this advance curve kit.
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