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Speed-Pro Hypereutectic Pistons
Pistons, Hypereutectic, Flat, 4.250 in. Bore, Chevy, GMC, Set of 8
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Overview
Brand:
Manufacturer's Part Number:
H661CP
Part Type:
Product Line:
Summit Racing Part Number:
SLP-H661CP
UPC:
087674961639
Piston Rings Included:
No
Bore (in.):
4.250 in.
Bore (mm):
107.950mm
Stroke:
4.000 in.
Engine Stroke Type:
Stock
Rod Length:
6.135 in.
Piston Style:
Flat top, with two valve reliefs
Piston Material:
Hypereutectic aluminum
Compression Height (in.):
1.625 in.
Piston Head Volume (cc):
+2.00cc
Wrist Pin Style:
Press-fit
Wrist Pin Retainers Included:
No
Wrist Pin Included:
Yes
Pin Diameter (in.):
0.989 in.
Piston Ring Thickness:
5/64 in. x 5/64 in. x 3/16 in.
File Fit:
No
Gapless:
No
Remanufactured:
No
Quantity:
Sold as a set of 8.
Notes:
DurOshield® coated piston skirt.
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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Some parts are not legal for use in California or other states with similar laws / regulations
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