D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-2925-4000

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Part Number: DMS-3-2925-4000

$899.95

Pistons, FX-Series, XR Wrist Pins, Forged, 29.00cc Dish, 4.000 in. Bore, Chevy LS, Set of 8
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D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-2925-4000

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins 3-2925-4000

DMS-3-2925-4000

Not Yet Reviewed

Part Number: DMS-3-2925-4000

Estimated Ship Date: Feb 16, 2026

$899.95

Estimated Ship Date: Feb 16, 2026 Would you rather pick it up?

Overview

Brand:
Manufacturer's Part Number:
3-2925-4000
Part Type:
Product Line:
Summit Racing Part Number:
DMS-3-2925-4000
UPC:
00194403026641
Piston Rings Included:
No
Bore (in.):
4.000 in.
Bore (mm):
101.600mm
Stroke:
4.000 in.
Engine Stroke Type:
Stroked
Rod Length:
6.125 in.
Piston Style:
Dish, with two valve reliefs
Piston Material:
Forged aluminum
Compression Height (in.):
1.115 in.
Piston Head Volume (cc):
+29.00cc
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:
1.20mm x 1.20mm x 3.00mm
File Fit:
No
Gapless:
No
Remanufactured:
No
Quantity:
Sold as a set of 8.
Notes:
Forged 2618 alloy.

D.S.S. FX-Series Forged 2618 Alloy Pistons with XR Wrist Pins

Pushing the envelope on your engine combination? Need parts that will stand up to the demands of today's power levels? D.S.S. FX-Series pistons increase your horsepower potential without killing the budget. Forged and machined with premium aircraft quality 2618 alloy with horizontal gas porting, these pistons are a great choice for naturally aspirated, nitrous or boosted engines with the added strength from the internal gussets. Additional CNC milling removes material in non-critical areas to achieve a lighter weight for the perfect balance of strength, power, and longevity. D.S.S. FX-Series pistons feature the patented X-Groove skirt design which reduces damage caused by fuel wash down and break-in debris for superior skirt, cylinder, and ring life. For stroker engines, the advanced skirt design improves piston stability and ring seal which provides quieter operation. Select the pistons for your application.

Features include:

* Forced pin oiling
* Drilled bottom land intersecting oil groove drain backs
* Pin lock ring removal slot
* Precision honed piston pin bores
* XR Extreme duty wrist pins
* Deep CNC valve reliefs
* Horizontal gas porting

Applications

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