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ICON Premium Forged Anodized Pistons
Pistons, Premium, Forged 2618 Aluminum, 4.010 in. Bore, 4.000 in. Stroke, Dish, Chevy, LS, Set of 8
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Estimated Ship Date: Apr 6, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
IC504A.010
Part Type:
Product Line:
Summit Racing Part Number:
UEM-IC504A-010
UPC:
800745249821
Piston Rings Included:
No
Bore (in.):
4.010 in.
Bore (mm):
101.854mm
Stroke:
4.000 in.
Engine Stroke Type:
Stroked
Actual Engine Displacement:
6.6L/404
Rod Length:
6.125 in.
Piston Style:
Dish, with no valve reliefs
Piston Material:
Forged aluminum
Compression Height (in.):
1.115 in.
Piston Head Volume (cc):
+15.00cc
Wrist Pin Style:
Press-fit or floating
Wrist Pin Retainers Included:
Yes
Wrist Pin Included:
Yes
Pin Diameter (in.):
0.927 in.
Piston Ring Thickness:
1.50mm x 1.50mm x 3.00mm
File Fit:
No
Gapless:
No
Top Ring Thickness:
1.5mm
Second Ring Thickness:
1.5mm
Oil Ring Thickness:
3.0mm
Remanufactured:
No
Quantity:
Sold as a set of 8.
Notes:
Pistons are made of forged 2618 alloy aluminum.
ICON Premium Forged Anodized Pistons
ICON Premium forged pistons are designed to be application specific and are made from either 4032 or 2618 aluminum. 2618 aluminum has a lower silicon content and is better suited for engine combinations with high compression or a power adder. A byproduct of having a lower silicon content is an increased rate of thermal expansion. Because of this, pistons made from 2618 require more piston-to-cylinder wall clearance than their 4032 counterparts.
ICON Premium forged anodized pistons include all the features of an FHR piston, with the addition of an anodized top ring groove and crown, precision CNC-machined valve reliefs and crown features, pressure fed pin bore oiling, and skirt and pin boss struts for increased strength and durability. ICON Premium pistons are built in a variety of compression ratios and are available for a wide range of engine types. Select the ones designed for your vehicle.
Additional features:
* Mini grooves
* CNC-machined valve reliefs and crown
* Diamond CNC-turned skirts
* Accumulator groove
* Dual forced pin oiling
* Lateral gas ports on high-compression designs
* Spacer rings provided for shorter compression height pistons
Applications
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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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