PISTON KIT, 3-7/16' X .010

Bitter End - Old School Choppers, Inc. Verified independent store

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Brought to you by Bitter End - Old School Choppers - One-Stop Shopping for Hardcore Choppin!!Replica style 3-7/16" bore piston set has a 8.5:1 compression ratio and is oversize .01 0.Piston set includes Hasting rings, 2 wrist pins and 4 circlips.Pistons have a steel expansion control strut cast.**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.Fits:FL 1941-1977FX 1971-1977UOM: 1 - KIT Show more