OEM quality cast aluminum alloy constructionSome fitments feature pistons with a coating that extends piston life, reduces friction and allows for cooler running enginesIdeal for OEM replacementEconomical with great performance, all in one packageKits include two pistons, wrist pins and clipsAccept OEM or Hastings rings (order separately)
Compression Ratio: 7.5:1
Piston Material: Aluminum
Product Name: Piston
Stroke Length: 3-31/32"
Units: Pair
Bore - Oversize: +0,040"
Piston Diameter: 3.437"
Riding Style: Street
Bore Oversize: +0.040"
Bore Size: 3.437"
Weight: 2.75
Height: 4.05
Length: 7.87
Width: 4.05 
