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Summit Racing® HEI Advance Curve Kits SUM-G5212
Summit Racing SUM-G5212 - Summit Racing® HEI Advance Curve Kits

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$4.99

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(31) Review This Product
Q&A 2 Answered Questions

Distributor Advance, Mechanical, GM, HEI, Kit

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Summit Racing® HEI Advance Curve Kits

Part Type: Distributor Advance Kits
Application: Find out if this fits your application

Brand: Summit Racing

Manufacturer's Part Number: SUM-G5212

Part Type: Distributor Advance Kits

Product Line: Summit Racing® HEI Advance Curve Kits

Summit Racing Part Number: SUM-G5212

UPC: 190861044494

Advance Weights Included: Yes

Advance Limit Bushings Included: Yes

Spring Quantity: 6

Adjustable Vacuum Advance Included: No

Quantity: Sold as a kit.

Notes: Fits GM type HEI distributors. Will not work with computer controlled HEI.

In-Store Pickup: Choose In-store pick-up (OH, NV, GA, TX) on our web site.

These Summit® HEI advance curve kits are designed for use on all non-computerized GM type HEI distributors. The kits include two weights, a center plate, three sets of color-coded springs, nylon bushings, and a detailed instruction/setup manual.

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Questions & Answers Ask a Product Question
Q:

What size advance stop bushings are included in this kit?

Asked by JOSH on September 15, 2016

A:

There is no spec. on that. it's a trial and error.

MATTHEW from PA answered on September 17, 2016

+See All Answers (2) Answer This Question

Q:

Will this advance kit work on PerTronix HEI Distributor Part number: PNX-D1170...?

Asked by NICHOLAS on January 27, 2017

A:

Thank you for your question. Summit Racing SUM-G5212 will work with Pertronix D1170.

Summit RacingSummit Racing Answer - February 01, 2017

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Most Helpful Reviews Review This Product

31 Customer Reviews for Summit Racing SUM-G5212 - Summit Racing® HEI Advance Curve Kits

Average Customer Review

5 Star

(21)

4 Star

(4)

3 Star

(2)

2 Star

(3)

1 Star

(1)

+See All 31 Reviews

Perfect fit

Summit RacingSummit Racing Verified Purchase

SUM-G5212
This product is exactly what I needed. Install was super easy and quick, with my way over sized cam I needed different springs in the hei distributer, so I changed out everything in the stock one with these and its perfect.

1 of 1 found this review helpful.

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Reviewer: from CA

Date: February 04, 2016

Appearance
Ease of Installation
Price/Value
Quality

1969 Cutlass

Summit RacingSummit Racing Verified Purchase

SUM-G5212
Nice parts, easy to install, use a magnet to catch the c-clips retaining the center bar,

1 of 1 found this review helpful.

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Reviewer: from TX

Date: July 09, 2014

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Ease of Installation
Price/Value
Quality

Not exactly perfect...

Summit RacingSummit Racing Verified Purchase

SUM-G5212
Needed some modifications to fit my HEI at all, and when i finally got the pieces in place they wouldn't move properly. I ended up only using the springs to tune the dist.

1 of 1 found this review helpful.

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Reviewer: from Sweden

Date: March 10, 2014

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Ease of Installation
Price/Value
Quality

Worked great

Summit RacingSummit Racing Verified Purchase

SUM-G5212
I used this kit to recurve the HEI distributor on my AMC 258 I6. The new advance curve works much better with my low rpm I6.

1 of 1 found this review helpful.

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Reviewer: from ID

Date: February 24, 2014

Appearance
Ease of Installation
Price/Value
Quality

Distributor weight kit

Summit RacingSummit Racing Verified Purchase

SUM-G5212
fit was excellent have not installed it yet but it has to work better than it used too. pivot holes worn on the old ones.

0 of 0 found this review helpful.

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Reviewer: from WV

Date: February 19, 2019

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Price/Value
Quality

Some parts are not legal for use in California or other states with similar laws / regulations

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Most Recent Reviews

Distributor weight kit

fit was excellent have not installed it yet but it has to work better than it used too. pivot holes worn on t...read more

Published on February 19, 2019 by CHARLES

HEI advance kit

I needed to limit my total advance to around 32 degrees. This looks like it will do the trick. SBC 350 with V...read more

Published on September 25, 2018 by JOHN

Hei curve kits

If you’re looking to tune your hei distributors advance, this is the way to do it. I wanted to get the centri...read more

Published on July 19, 2018 by JOHN

Great product, fixed my problems

My Camaro with a 350SBC was having issues, where the engine would ping even with the timing set to factory se...read more

Published on April 04, 2018 by AUBREY

Quite useless

Looks like it's good quality. But the springs are just quite useless. Unless you have a very high revving mot...read more

Published on March 20, 2018 by DIEGO

+See All 31 Reviews
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