Piston kit  Wossner K8594D375-2 (+3.75MM)   HARLEY DAVIDSON
1453cc TWIN CAM 1999-2009,
Twin Cam 88? (88 cu. in.) 1999-2006,

Wossner forged pistons are superior in strength and design. Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls. Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse. Made in Germany. Part No. 56-W9865.375.WO
HARLEY DAVIDSON 1561cc TWIN CAM 1999-2009,
Twin Cam 88? (88 cu. in.) 1999-2006,
WOSSNER K8594D375-2 PISTONS FORGED KIT 2pcs. Bore 3.898" OVER SIZE +0.148" Includes: Forged high performance pistons (skirt coated) rings, clips, pins.
Compression ratio: 8.5 : 1 Flat Top.
Cross reference numbers ONLY. RING SET PART No. 990XSY