-16%

Adjustable Vacuum Advance Kit, GM HEI Distributor

-16%

Adjustable Vacuum Advance Kit, GM HEI Distributor
Speedway Motors

|

#28799600

Adjustable Vacuum Advance Kit, GM HEI Distributor

$50.99

/each

In Stock

$60.95

Save $9.96


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Key Specs

MFG. Part #28799600
BrandSpeedway Motors
See more specs

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Speedway Motors 28799600 Details

Adjust your GM HEI distributor for any driving condition. This kit allows you to change the amount of ignition vacuum advance for maximum part-throttle performance while preventing the harmful effects of spark knock (detonation). Dial in as much spark advance as conditions permit — add more advance under light load conditions to improve throttle response and fuel economy, or limit spark advance in high compression engines and high load conditions to eliminate knock.

  • Built-in stop prevents the adjustment screw from "backing out" like other designs
  • Easy to install
  • Includes 3/32" Allen wrench and easy-to-follow instructions

Charts

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.
CARB warning

Speedway Motors 28799600 Specifications

KEY SPECS
MFG. Part #28799600
BrandSpeedway Motors
GENERAL
GTIN Code743047007211

Ratings & Reviews

5

6 Reviews

Overall Assessment

Customers praise the product for its quality as they found it to be the exact replacement for the Speedway HEI for SBF 289/302. Its practicality is highlighted in its easy installation and tuning process. The product successfully helped with engine pinging and limiting advance, thus demonstrating usability and efficiency. It's been recommended by customers for its resilience under rainy conditions and for its enhancement of mpg during cruising. The product's attributes distinctly outclasses its competition, making it a favored choice among customers.

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5

6 reviews

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Perfect fit

5.0

6 years ago

Chrome31

Kansas

Verified

Exact replacement for the speedway HEI for SBF 289/302

Would Recommend

It helped with engine pinging.

5.0

6 years ago

jtb

San Diego

Verified

Its pretty self explanatory, but lots of help on the internet

Would Recommend

Perfect

5.0

8 years ago

Camaro Craig

Lincoln NE

Verified

Easy to set, easy to install.

Would Recommend

Replacement for an HEI

5.0

9 years ago

Bullshoals23T

Bull Shoals, AR

Verified

Needed this to limit advance

Would Recommend

I would by this again and if needed I will

5.0

9 years ago

the snow man

LaPorte IN.

Verified

It has been raining from the time I installed and this classic does not go out in the rain

Would Recommend

Great product

5.0

10 years ago

JE

Fairbury, NE

Verified

I used this to for best possible advance when crusing for better mpg. Easy to install and easy to tune.

Would Recommend

Showing 6 of 6 reviews

Questions & Answers

2 Questions • 2 Answers

Will this fit an hei distributor for a small block ford?

by Joe

• 7 years ago

1 answer

View Answer

Will this vacuum canister fit an MSD Pro Billet 8361 distributor

by Darrel

• 10 years ago

1 answer

View Answer

2 of 2 questions shown

Fitment

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