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Diamond Pistons Domestic Series Pistons
SB Chevy FT 4.030B/1.062CD NS
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Estimated Ship Date: Apr 13, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
11125
Part Type:
Product Line:
Summit Racing Part Number:
DPP-11125
UPC:
193564368966
Piston Rings Included:
Yes
Bore (in.):
4.030 in.
Bore (mm):
102.362mm
Stroke:
3.875 in.
Engine Stroke Type:
Stroked
Actual Engine Displacement:
6.5L/395
Rod Length:
6.000 in.
Piston Style:
Flat top, with two valve reliefs
Piston Material:
Forged aluminum
Compression Height (in.):
1.062 in.
Piston Head Volume (cc):
+4.00cc
Wrist Pin Style:
Floating
Wrist Pin Retainers Included:
Yes
Wrist Pin Included:
Yes
Pin Diameter (in.):
0.927 in.
Piston Ring Thickness:
1/16 in. x 1/16 in. x 3/16 in.
File Fit:
Yes
Gapless:
No
Top Ring Thickness:
1/16 in.
Top Ring Material:
Steel
Top Ring Facing Material:
Plasma-moly
Second Ring Thickness:
1/16 in.
Second Ring Material:
Ductile iron
Second Ring Facing Material:
Ductile iron
Oil Ring Thickness:
3/16 in.
Oil Ring Material:
Stainless steel
Oil Ring Tension:
Standard
Remanufactured:
No
Quantity:
Sold individually.
Diamond Pistons Domestic Series Pistons
Diamond Pistons Domestic Series pistons are designed and tested for the high-stresses seen with high-compression, forced induction, or nitrous-fed domestic engines. Engineered with longevity, reliability, and strength, these forged aluminum pistons are specifically designed for your engine to deliver the results you demand.
Diamond Piston Domestic Series pistons feature:
* 3D milling on piston crowns for "ready-to-install" finish
* Generous valve pockets designed to work with stock or oversized valves and various cylinder heads
* Constructed from forged 4032 or 2618 aluminum alloy (where specified)
* Premium 8620 or H-13 steel wrist pins (where specified)
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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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