This is Wiseco's HD2 Heavy Duty High-Output Piston Configuration with Asymmetrical Skirt Design. It comes with .200" Wall Wrist Pins. The asymmetric design maintains a larger skirt area on the heavily stressed major thrust side, while reducing friction with a smaller skirt area on the minor thrust side. The result is a high-strength lightweight pistons that significantly reduces friction in your engine! If you are looking to make a lot of power, and don't want to have to worry about your pistons, this is the route to take.
World renowned for their race winning pistons, Wiseco uses their diverse experience in building high performance engines for Formula 1, Indy Racing League, and NHRA Pro Stock to design and manufacture the highest technology sport compact pistons available. Every set of Wiseco sport compact pistons are made from dedicated in-house forgings to produce a light weight piston with superior strength and optimal design. As a multivalve piston technology leader, Wiseco pistons feature specially designed valve pockets, complex dome and crown shapes, stainless steel gas nitride rings and optimized skirt profiles. All Wiseco sport compact pistons also come standard with their proprietary ArmorGlide skirt coating material for reduced friction, freeing up additional horsepower. Wiseco pistons are sold as a full set of four (4) pistons and include all corresponding rings, pins and clips. The stated compression ratio is calculated when used with a .034" (0.86mm) thickness head gasket.
Standard features include:
Stainless steel gas nitride top rings
Cast iron Napier hook second rings
Flex-vent oil rings with gas nitride scraper rails
ArmorGlide skirt coating
Sold as a full set of four (4) pistons with rings, pins and corresponding clips included
Note: Must use with forged connecting rods / performance connecting rods with floating wrist pin design. We have connecting rods available for sale if you are looking to purchase a complete package.
NOTE: This item is not C.A.R.B. Approved so it cannot be sold or shipped to California addresses.
