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Wiseco Professional Series Pistons
Pistons, Forged, Flat, 3.810 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, L4, Set of 4
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Estimated Ship Date: Dec 7, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
K120A3
Part Type:
Product Line:
Summit Racing Part Number:
WIS-K120A3
Item Number:
722369
UPC:
00193564071712
Piston Rings Included:
No
Bore (in.):
3.810 in.
Bore (mm):
96.774mm
Stroke:
3.126 in.
Engine Stroke Type:
Stock
Rod Length:
5.205 in.
Piston Style:
Flat top, with two valve reliefs
Piston Material:
Forged aluminum
Compression Height (in.):
1.590 in.
Piston Head Volume (cc):
+3.40cc
Wrist Pin Style:
Press-fit or floating
Wrist Pin Retainers Included:
Yes
Wrist Pin Included:
Yes
Pin Diameter (in.):
0.912 in.
Piston Ring Thickness:
1/16 in. x 1/16 in. x 3/16 in.
File Fit:
No
Gapless:
No
Remanufactured:
No
Quantity:
Sold as a set of 4.
Notes:
Slipper type skirt design.
Wiseco Professional Series Pistons
Wiseco Professional Series pistons are designed to take the hard-driving abuse from your performance engine. They're forged from either 2168 or 4032 aluminum alloy for maximum strength, 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. Chromoly wrist pins and Spirolox retainers are included. Choose the model tailored for your engine application.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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