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Instruction Sheets for Part Number UEM-IC505040
Pistons, Premium, Forged 2618 Aluminum, 4.290 in. Bore, 4.150 in. Stroke, Dish, Dodge, Big Block, B, Set of 8
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Estimated Ship Date: Oct 22, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
IC505.040
Part Type:
Product Line:
Summit Racing Part Number:
UEM-IC505040
UPC:
800745249197
Piston Rings Included:
No
Bore (in.):
4.290 in.
Bore (mm):
108.966mm
Stroke:
4.150 in.
Engine Stroke Type:
Stroked
Actual Engine Displacement:
7.8L/479
Rod Length:
6.760 in.
Piston Style:
Dish, with no valve reliefs
Piston Material:
Forged aluminum
Compression Height (in.):
1.120 in.
Piston Head Volume (cc):
+12.00cc
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 as a set of 8.
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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