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Pistons, Premium, Forged 2618 Aluminum, 4.375 in. Bore, 4.250 in. Stroke, Dome, Chevy, Big Block, Each
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Estimated Ship Date: Apr 20, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
SIC603.125
Part Type:
Product Line:
Summit Racing Part Number:
UEM-SIC603-125
UPC:
800745225726
Piston Rings Included:
No
Bore (in.):
4.375 in.
Bore (mm):
111.125mm
Stroke:
4.250 in.
Engine Stroke Type:
Stroked
Actual Engine Displacement:
8.4L/511
Rod Length:
6.385 in.
Piston Style:
Dome, with single valve relief
Piston Material:
Forged aluminum
Compression Height (in.):
1.270 in.
Dome Height (in.):
0.650 in.
Piston Head Volume (cc):
-43.00cc
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
Top Ring Thickness:
1/16 in.
Second Ring Thickness:
1/16 in.
Oil Ring Thickness:
3/16 in.
Remanufactured:
No
Quantity:
Sold individually.
Notes:
Pistons are made of forged 2618 alloy aluminum.
ICON Premium Forged Pistons
ICON premium forged pistons are made from high-strength, heat-treated aluminum alloy. They feature a diamond-machined skirt, head, mini-grooves, pin bore, gas accumulator, ring grooves, and pressure-drilled pin hole oiling. The pistons have a V-rib design for light weight, strength, and maximum piston cooling. Compare weight, performance, design, and cost—and you will win with ICON!
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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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