Attributes

Key Value
Actual Engine Displacem.4.1L/251
Bore (in.)3.935 in.
Bore (mm)99.949mm
BrandDSS Racing
Compression Height (in.)1.592 in.
Engine Stroke TypeStock
File FitNo
GaplessNo
Manufacturer's Part.K2-6653-3935
Oil Ring MaterialStainless steel
Oil Ring TensionStandard
Oil Ring Thickness4.0mm
Part TypePistons
Pin Diameter (in.)0.931 in.
Piston Head Volume (cc)+21.00cc
Piston MaterialForged aluminum
Piston Ring Thickness1.50mm x 1.50mm x 4.00mm
Piston Rings IncludedYes
Piston StyleDish, with no valve rel.
QuantitySold as a set of 6.
Rod Length6.125 in.
Second Ring Facing Mate.Iron
Second Ring MaterialIron
Second Ring Thickness1.5mm
Stroke3.440 in.
Summit Racing Part Numb.DMS-K2-6653-3935
Top Ring Facing MaterialPlasma-moly
Top Ring MaterialDuctile iron
Top Ring Thickness1.5mm
UPC00194403073881
Wrist Pin IncludedYes
Wrist Pin Retainers Inc.Yes
Wrist Pin StylePress-fit or floating
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