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Wiseco K157A3 - Wiseco Forged Pistons

  • Pistons, Forged, Flat, 3.810 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Thickness, Ford 4-Cylinder, Set of 4
  • Application Specific
  • Estimated Ship Date: 2/25/2010
 
BrandWiseco
Manufacturer's Part NumberK157A3
Part TypePistons
Product LineWiseco Forged Pistons
Summit Racing Part NumberWIS-K157A3
 
Bore (in)3.810 in.
Bore (mm)96.774mm
Piston StyleFlat top, with two valve reliefs
Piston MaterialForged aluminum
Compression Distance (in)1.090 in.
Piston Head Volume (cc)-3.40cc
Wrist Pin StylePress-fit or floating
Pin Diameter (in)0.927 in.
Piston Ring Thickness1/16 in. x 1/16 in. x 3/16 in.
QuantitySold as a set of 4.
NotesSlipper-type skirt design.
 

Forged strength for maximum power.

Wiseco has built pistons for most major forms of motorsports, from off-road to rally, Formula 1 to drag racing. So, their pistons benefit from some heavy-duty engineering experience. For maximum strength, they're forged from either 2168 or 4032 aluminum alloy, and then precision CNC-machined to their intricate final configurations under close tolerances. Where applicable, designs incorporate strength provisions to deal with turbocharging, supercharging, and nitrous. Chromemoly wrist pins and Spirolox retainers are included.

Warranty

Wiseco warrants its products for 30 days from the date of purchase against defects in material and workmanship. This warranty does not apply to products used in racing or high performance applications.