After nearly 70 years in the business, the name Wiseco has become synonymous with pistons, especially pistons for off-road racing and riding. Wiseco has attained that instant brand recognition by being one of the few manufacturers of forged pistons within the USA.

Details of these specific pistons are as follows:

This Wiseco Piston Kit is designed to fit Mitsubishi 4G63 Engines with a 100mm Stroker Crankshaft and 150mm Long Connecting Rods. These Pistons feature Wiseco's ArmorGlide® Skirt Coating for reduced friction. Included in this kit are .200" Wall Wrist Pins and a Matching Piston Ring Set. The Piston Rings feature a Gas Nitrided Top Ring that works very well with Turbocharged Engines and a Napier 2nd Ring for Excellent Oil Control. These Pistons feature Wiseco's ArmorGlide® Skirt Coating for reduced friction and Wiseco's Armour Plating Finishing Process. The Armour Plating drastically strengthens the Piston Material, making it harder the hotter it gets. This helps resist any possible detonation and also helps the Piston Rings from Micro Welding under extreme temperatures.

Technical Details:

Stroke: 100mm / 3.937"
Rod Length: 150mm / 5.906"
Compression Height: 28.7mm / 1.130"
Dish Volume: -21cc Dish
Wrist Pin Diameter: 22mm / .866"
Included Wrist Pins: .200" Wall
Ring Stack: 1.0mm x 1.2mm x 2.8mm

PLEASE NOTE: ALL Wiseco pistons are now supplied as Wiseco AP

What is Wiseco ArmorPlating coating?
High performance coating is applied to the piston crown, ring grooves, and piston pin bore. The coating on the dome helps protect the piston from the damage caused by detonation, and will actually harden over time from the heat caused by combustion. This coating is also applied to the ring groove, and helps eliminate micro-welding of the ring, and improve wear of the ring groove along with improving ring seal. The coating in the piston pin bore improves wear, reduces friction, and eliminates material deformation of the locking groove.

For Evo Models I - IX. Please select from the options on the right.

Stock images used. Actual product may vary.