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Wiseco Professional Series Pistons
Pistons, Forged, Dome, 4.500 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Big Block, Set of 8
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Estimated Ship Date: Nov 16, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
K243AS
Part Type:
Product Line:
Summit Racing Part Number:
WIS-K243AS
Item Number:
675764
UPC:
00193564071934
Piston Rings Included:
No
Bore (in.):
4.500 in.
Bore (mm):
114.300mm
Stroke:
4.250 in.
Engine Stroke Type:
Stroked
Rod Length:
6.535 in.
Piston Style:
Dome, with single valve relief
Piston Material:
Forged aluminum
Compression Height (in.):
1.120 in.
Piston Head Volume (cc):
-42.40cc
Wrist Pin Style:
Press-fit or floating
Wrist Pin Retainers Included:
Yes
Wrist Pin Included:
Yes
Pin Diameter (in.):
0.990 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 8.
Notes:
Hollow dome with full round 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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