Autolite DPR7EIX Spark Plug - XS4164 For Harley Sportster 1986-2020 Brand_Colony Semi-sintered construction containing 30% copper

Semi-sintered construction containing 30% copper by weight within an organic matrix

more positive clutch engagement

All rims are CNC machined from radial forged 6061-T6 aluminum for maximum road durability and strength-to-weight ratio

640” lift gear drive Easy Start cams

Converts early S&S air cleaners to new-style breather hardware

Autolite DPR7EIX Spark Plug - XS4164 For Harley Sportster 1986-2020 Brand_Colony Semi-sintered construction containing 30% copperFeatures More focused ignition to prevent fouling than leading standard plug . 6mm finewire design with Sport V trim ground electrode engineered to offer improved ignitability and durability over a standard plug Up to 26% quicker starts than leading standard plug More horsepower and better fuel efficiency than standard plug Meets or exceeds OEM design Specs Style Iridium Heat Range 6 Center Electrode Projection Projected Center Electrode Type Fine