Attributes

Key Value
Bore (in.)4.040 in.
Bore (mm)102.616mm
BrandDSS Racing
Compression Height (in.)1.115 in.
Engine Stroke TypeStroked
File FitNo
GaplessNo
Manufacturer's Part.1921-4040
NotesForged 4032 alloy.
Part TypePistons
Pin Diameter (in.)0.927 in.
Piston Head Volume (cc)+10.00cc
Piston MaterialForged aluminum
Piston Ring Thickness1.50mm x 1.50mm x 3.00mm
Piston Rings IncludedNo
Piston StyleDish, with two valve re.
Product LineD.S.S. SX-Series Forged.
QuantitySold as a set of 8.
Rod Length6.125 in.
Stroke4.000 in.
Summit Racing Part Numb.DMS-1921-4040
UPC194403012064
Wrist Pin IncludedYes
Wrist Pin Retainers Inc.Yes
Wrist Pin StylePress-fit or floating
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