Wiseco Pistons K581M88 Pistons
Products specifications
Bore
|
88mm
|
Bore (in)
|
3.464 in.
|
Bore (mm)
|
88.000mm
|
Comp Height
|
31.4
|
Comp Ratio
|
10.5:1
|
Compression Distance (in)
|
1.236 in.
|
Dome Volume
|
5
|
File Fit
|
No
|
Gapless
|
No
|
Gram Weight
|
341
|
Oil Ring Material
|
Stainless steel
|
Oil Ring Tension
|
Standard
|
Oil Ring Thickness
|
2.8mm
|
Pin Diameter (in)
|
0.827 in.
|
Piston Head Volume (cc)
|
-5.00cc
|
Piston Material
|
Forged aluminum
|
Piston Style
|
Dome, with four valve reliefs
|
Quantity
|
Sold as a kit.
|
Rod
|
139
|
Second Ring Facing Material
|
Phosphate coated
|
Second Ring Material
|
Cast iron
|
Second Ring Thickness
|
1.2mm
|
Stroke
|
83
|
Top Ring Facing Material
|
Gas nitrided
|
Top Ring Material
|
Steel
|
Top Ring Thickness
|
1.0mm
|
Wrist Pin Style
|
Press-fit or floating
|
Wiseco Pistons K581M88 Pro Tru Pistons
Sport Compact Series
Set of 4 Pistons
Recommended RingSet: 8800XX
Rings & Pins Included
World renowned for our work building race winning pistons,
Wiseco utilizes experience from a diverse background of the most
sophisticated sport compact engines.
Wiseco?s Sport Compact Pro Tru line creates the best value in
forged pistons today. These American made pistons are forged and
machined by skilled Ohio craftsmen with state-of-the-art forging
presses and CNC machines. By using
dedicated forgings specific to the final piston shape, Pro Tru
pistons are stronger and lighter than industry standards.
Pro Tru sets include plasma moly 1/16, 1/16, 3/16 pre-gapped
ring packages which provide excellent seal, friction reduction, and
long life. Pro Tru pistons also come in a variety of volumes that
allow the engine builder to choose the exact compression ratio
required for their engine.