The high performance forced piston kit is Harley Davidson

WISECO HIGH-PERFORMANCE FORGED PISTON KITS FOR HARLEY-DAVIDSON High-Performance Forged Piston Kit Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperatures

Kits include forged pistons with ArmorGlide™ coated skirts, rings, retainer clips, chrome piston pins

Twin Cam pistons have ArmorPlating which improves ring seal, eliminates ring micro-welding, and improves the piston's ability to defend against detonation damage

Piston kits are available with X-Ring package (.062 top ring, .062 compression ring and .158 oil ring), XC-Ring packages (.039 top ring, .062 compression ring, .158 oil ring) or VM-rings (1.2mm steel, positive twist, gas nitrided top ring, 1.2mm cast iron, taper under-hook scraper ring and 2.0mm three-piece, flex-vent oil ring with steel chrome-faced rails); VM-rings, X-Rings and XC-Rings will not interchange

X- and XC-rings are identified by PART # in the application chart; X-Ring PART #s end with an "X" and XC-Ring PART #s end with an "XC"

103" kits require cylinder boring; 110" kit requires big-bore cylinders and case boring; X-Ring package (.0472" top ring, .0472" compression ring and .118" oil ring); recalibration required

Pistons are made in the U.S.A.

HIGH-PERFORMANCE FORGED PISTON KITS

NOTE: Replacement rings include rings for one piston only.

WARNING: Wiseco pistons that use VM-rings can only be fitted with Wiseco VM-rings; Wiseco pistons that use XC-rings can only be fitted with Wiseco XC-rings.