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Piston, Forged, Flat Top, 2-Valve Reliefs, 4.000 in. Bore, 3.500 in. Stroke, 6.125 in. Rod, 1.125 in. Compression, Chevy, Each
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Estimated Ship Date: Mar 12, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
178676S
Part Type:
Product Line:
Summit Racing Part Number:
JEP-178676S
UPC:
193564260406
Piston Rings Included:
No
Bore (in.):
4.000 in.
Bore (mm):
101.600mm
Stroke:
3.500 in.
Engine Stroke Type:
Stock
Actual Engine Displacement:
5.8L/351
Rod Length:
6.125 in.
Piston Style:
Flat top, with two valve reliefs
Piston Material:
Forged aluminum
Compression Height (in.):
1.125 in.
Piston Head Volume (cc):
+5.00cc
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:
0.064 in. x 0.064 in. x 0.218 in.
File Fit:
No
Gapless:
No
Top Ring Thickness:
0.064 in.
Second Ring Thickness:
0.064 in.
Oil Ring Thickness:
0.218 in.
Remanufactured:
No
Quantity:
Sold individually.
Notes:
Made from 4032 alloy forged aluminum.
Special Attention:
Designed to work with Chevy 23 degree cylinder heads with 20/30 valve spacing..
SRP 4032 Alloy Forged Pistons
Born from the rich racing experience of JE Pistons, SRP Pistons bridge the gap between high-quality performance and affordability.
Forged from strong, 4032 aluminum alloy material, SRP pistons are designed and manufactured to reduce machining costs without sacrificing strength or performance characteristics. They are the perfect option for someone building a mild to moderate performance engine on a sportsman budget. The SRP piston line, with hundreds of part numbers in different sizes and styles, surely has the right fit for your build.
Features:
* Forged using 4032 aluminum, yielding tensile strength and minimal thermal expansion
* Dedicated forging helps optimize strength and weight throughout the piston design
* Round style forging with FSR
* Perfect for street/strip applications
* Forced pin oiling for improved pin lubrication
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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