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Charts & Guides for Part Number DMS-K8720-4030
D.S.S. E Series Forged Pistons
PISTON KIT
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Estimated Ship Date: Oct 23, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
K8720-4030
Part Type:
Product Line:
Summit Racing Part Number:
DMS-K8720-4030
UPC:
00194403159974
Piston Rings Included:
Yes
Bore (in.):
4.030 in.
Bore (mm):
102.362mm
Stroke:
3.000 in.
Engine Stroke Type:
Stock
Actual Engine Displacement:
5.0L/306
Rod Length:
5.090 in.
Piston Style:
Flat top, with two valve reliefs
Piston Material:
Forged aluminum
Compression Height (in.):
1.600 in.
Piston Head Volume (cc):
+3.00cc
Wrist Pin Style:
Press-fit or floating
Wrist Pin Retainers Included:
Yes
Wrist Pin Included:
Yes
Pin Diameter (in.):
0.912 in.
Piston Ring Thickness:
5/64 in. x 5/64 in. x 3/16 in.
File Fit:
No
Gapless:
No
Top Ring Thickness:
5/64 in.
Top Ring Material:
Cast iron
Top Ring Facing Material:
Moly
Second Ring Thickness:
5/64 in.
Second Ring Material:
Cast iron
Second Ring Facing Material:
Cast iron
Oil Ring Thickness:
3/16 in.
Oil Ring Material:
Stainless steel
Oil Ring Tension:
Standard
Remanufactured:
No
Quantity:
Sold as a set of 8.
D.S.S. E Series Forged Pistons
D.S.S. E Series forged pistons are fully forged and machined from a 4032 alloy material with precision-honed piston pin bores and include heavy-duty piston pins. The pistons are full-floating or press-fit compatible and use double true arc pin locks, forged oil drainbacks, double valve notches, and diamond turned piston skirts. Get high-quality pistons at a great price--try a set of D.S.S. E Series forged pistons today!
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