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Speed-Pro Hypereutectic Pistons
Pistons, Hypereutectic, Dish, 4.060 in. Bore, Each
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Estimated Ship Date: Mar 16, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
WH423DCP 60
Part Type:
Product Line:
Summit Racing Part Number:
SLP-WH423DCP60
UPC:
019826510280
Piston Rings Included:
No
Bore (in.):
4.060 in.
Bore (mm):
103.124mm
Stroke:
3.480 in.
Engine Stroke Type:
Stock
Rod Length:
5.700 in.
Piston Style:
Dish, with four valve reliefs
Piston Material:
Hypereutectic aluminum
Compression Height (in.):
1.548 in.
Piston Head Volume (cc):
+12.30cc
Wrist Pin Style:
Press-fit or floating
Wrist Pin Retainers Included:
No
Wrist Pin Included:
Yes
Pin Diameter (in.):
0.927 in.
Piston Ring Thickness:
5/64 in. x 5/64 in. x 3/16 in.
File Fit:
No
Gapless:
No
Remanufactured:
No
Quantity:
Sold individually.
Notes:
DurOshield® coated piston skirt. These pistons can be free floated but locks must be purchased separately.
Speed-Pro Hypereutectic Pistons
If you're looking for pistons with an unbeatable combination of performance and value, then Speed-Pro hypereutectic pistons are for you. These pistons are manufactured from aluminum alloy that contains 16 percent silicon for greater strength and wear resistance. They're also molded in the latest permanent-mold technology to ensure the precise fit and tight bore clearances that today's top engine builders demand. Hypereutectic pistons are ideal for use in high performance street, bracket, and oval track racing—and will work perfectly with normal ring end gaps. Choose the model designed for your vehicle and 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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