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Instruction Sheets for Part Number MSD-8412
MSD Low-Resistance HEI Bushings
HEI Bushing, Carbon Button, Low-Resistance, GM HEI Cap, Each
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Overview
Brand:
Manufacturer's Part Number:
8412
Part Type:
Product Line:
Summit Racing Part Number:
MSD-8412
UPC:
085132084128
Distributor Replacement Part Type:
Carbon button
Quantity:
Sold individually.
MSD Low-Resistance HEI Bushings
MSD low-resistance HEI bushings prevent excessive heat buildup. 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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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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