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MSD Ultimate HEI Kits 8501

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$205.97

HEI Distributor Upgrade Kit, Ultimate, Coil, Cap, Rotor, Module, GM, Kit

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Brand: MSD Ignition
Manufacturer's Part Number: 8501
Product Line: MSD Ultimate HEI Kits
Summit Racing Part Number: MSD-8501

UPC: 085132085019
Ignition Coil Included: Yes
Coil Style: In-cap
Maximum Coil Voltage: 42,000 V
Distributor Cap Included: Yes
Distributor Cap Material: Rynite
Distributor Cap Color: Red
Rotor Included: Yes
Coil Dust Cover Included: Yes
Coil Dust Cover Material: Plastic
Coil Dust Cover Finish: Black
Spark Plug Wire Retainer Included: No
Adjustable Rev Limiter: Yes
Ignition Module Included: Yes
Ignition Module Type: HEI 4-pin
Adjustable Vacuum Advance Included: No
High Performance Spring and Weight Set Included: No
Quantity: Sold as a kit.
CARB EO Number: D-40-43 (pdf)
To see a list of qualifying vehicles, enter CARB EO Number D-40-43
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

These Ultimate HEI kits from MSD have everything you need to turn your early model GM HEI distributor into a great performance distributor. The MSD HEI modules feature special circuitry to produce 50 percent higher coil drive currents than stock modules, resulting in higher spark energy at racing rpms. By matching the coil specifications with the modules, MSD delivers more accurate timing and dwell control. The kits also include a high-quality rotor, a durable cap with brass terminals, and even a new dust cover.

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Most Helpful Reviews Review this Product

4 Customer Reviews for MSD Ignition 8501 - MSD Ultimate HEI Kits

Average Customer Review

5 Star

(3)

4 Star

(1)

3 Star

(0)

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1 Star

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great upgrade

Summit RacingSummit Racing Verified Purchase

I replaced my stock HEI cap/rotor with this and I do see some improved performance. Note that there was nothing wrong with my original unit, but I wanted the best I could do without replacing the entire distributor. There is a noticeable improvement to the start up. It is quicker and idles better. I also love the red color. The only trouble I had was it wasn't immediately apparent that I needed to remove the plastic 'X' bar on the inside of the cap. After I struggled a bit, I realized that needed to come out. The only other thing I noticed was it seemed like there was a bit of 'play' when attaching the rotor to the mount. Even with the screws partly in, you could rotate it a bit. Seems like the holes are oversized too much. I was concerned this might lead to misalignment but it seems to work good. ...read more

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Reviewer: JIM from OH

Date: July 16, 2014

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Perfect upgrade for any HEI!

Summit RacingSummit Racing Verified Purchase

It was quick and easy to install. Simple instructions. No problems at all! Comes with everything you need, Even the thermal compound for the module. Only took about 30 minutes for complete install. I would recommend this to anyone.

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Reviewer: STEVEN from TX

Date: June 23, 2014

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MSD Ultimate HEI Kit

Summit RacingSummit Racing Verified Purchase

I needed a module for a dedicated tach output for my Edelbrock EFI. This solved my problem.Kit was high quality, easy to follow instructions and worked like a champ. What more can I say

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Reviewer: BRADLEY from NC

Date: May 14, 2014

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MSD Ultimate HEI Kits

Summit RacingSummit Racing Verified Purchase

Good kit, easy installation.

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Reviewer: MARCO from Netherlands

Date: April 01, 2014

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Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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