ZIPPERS PERFORMANCE 80/80 EVOLUTION BIG TWIN KIT HARLEY MODELS ENERGY HPI EXHAUST HARLEY DAVIDSON TWIN

HPI EXHAUST HARLEY DAVIDSON TWIN CAM BAGGER MODELS 09-16

FEULING Backing Plate

Each kit includes: Backing Plate Assembly

tax and shipping included

1" diameter knurled clamping area

ZIPPERS PERFORMANCE 80/80 EVOLUTION BIG TWIN KIT HARLEY MODELS ENERGY HPI EXHAUST HARLEY DAVIDSON TWINZIPPERS PERFORMANCE 80 80 EVOLUTION BIG TWIN KIT HARLEY MODELS EXCHANGE KITS CORES REQUIRED Zippers 80 80 kit for Evolution Big Twins is still as popular as ever! Its roots go back to the 80s, and we named it 80 80 due to the fact that it easily delivers over 80 HP from 80. Your cylinder base and head gasket surfaces are both decked true to stop those pesky leaks that EVs are known for. We precision fit forged 10. 5: 1 pistons to them. Your heads