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HEI Bushing, Carbon Button, Low-Resistance, GM HEI Cap, Each
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Brand: MSD Ignition
Manufacturer's Part Number: 8412
Part Type: Distributor Replacement Parts
Product Line: MSD Low Resistance HEI Bushings
Summit Racing Part Number:
MSD-8412
UPC: 085132084128
Distributor Replacement Part Type: Carbon button
Quantity: Sold individually.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.
The carbon rotor button in a stock HEI distributor cap has very high resistance. When the high voltage of an MSD 6, 7, or 8 Series ignition is added, this resistance builds up heat and can actually melt the distributor cap. To solve this problem, install one of these MSD low-resistance HEI bushings, which will pass the secondary voltage from the distributor cap to the rotor without the excessive heat buildup.
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Reviewer: DEE from NV
Date: December 06, 2015
Summit Racing Verified Purchase
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Reviewer: MICHAEL from IL
Date: August 14, 2015
Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles
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