TUNE-UP KIT FLATHEAD KNUCKLEHEAD 1930-1947 D21 PLUGS
$26.00
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After Years Of Trying Most Expensive To Least Expensive ComponentsThis Kit Offers The Best Value And Performance For Your Stock Flathead Knucklehead6-Volt Or 12-VoltFor Most Accurate Results Use A Wire Feeler GaugeBasic SettingsSpark Plug Gap = .025 - .030Champion D21Point Gap = .022 Manual Advance
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