Replica 1000cc Piston Set .070 Oversize for Harley Sportster

Description

Replica style 3-3/16" bore piston set has a 9:1 compression ratio and is oversize .070. Piston set alloy is cast in a permanent steel mold and includes rings.**Note:Run engine at moderate speeds for at least 500 miles, avoiding excessive running in lower gears, in order to properly break-in new pistons and rings."