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Diamond Pistons Domestic Series Pistons
*MO HEMI 4.280B/4.150S/6.860R/1.765CD
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Estimated Ship Date: Dec 28, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
52540
Part Type:
Product Line:
Summit Racing Part Number:
DPP-52540
Item Number:
7658418
UPC:
193564416339
Piston Rings Included:
No
Bore (in.):
4.280 in.
Bore (mm):
108.712mm
Stroke:
4.150 in.
Engine Stroke Type:
Stroked
Rod Length:
6.860 in.
Piston Style:
Dome, with two valve reliefs
Piston Material:
Forged aluminum
Compression Height (in.):
1.765 in.
Piston Head Volume (cc):
-103.00cc
Wrist Pin Style:
Floating
Wrist Pin Retainers Included:
No
Wrist Pin Included:
No
Pin Diameter (in.):
1.030 in.
Piston Ring Thickness:
1/16 in. x 1/16 in. x 3/16 in.
File Fit:
No
Gapless:
No
Remanufactured:
No
Quantity:
Sold individually.
Notes:
Piston is 2618 material.
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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