Harley Davidson 21900164 Screamin’ Eagle High Compression Pistons screaming KIT,PSTN,4.310,BORE,4.625,STRK,STD

Description

KIT,PSTN,4.310,BORE,4.625,STRK,STD – Screaming eagle

Screamin’ Eagle High Compression Pistons 135 CI 21900164

High-compression pistons 4.310″ bore. – Forged flat-top pistons – Piston design and rings engineered to withstand increased combustion forces for outstanding durability – Updated ring package with 1mm compression and scraper rings – Gas-ported to assist with ring sealing while allowing for low-tension and reduced friction

Replacement pistons for ’21-later Milwaukee-Eight Touring models equipped with 135CI Stage IV Performance Crate engine.