Wisecos 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 pistons 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 chromefaced
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.
NOTE: Replacement rings include rings for one piston only.
NOTE: 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.