Sparex source: https://us.sparex.com/piston-129271.html Product: Piston - Sparex S.129271 SKU: S.129271 Listing note: Piston Length mm: 104.3mmCompression HeightBore ØBowl DepthChamber ØPin Ø: 38mmNo. of Rings: 3 Detail enrichment pending: OEM cross references, fitment, catalog pages, and full specifications.