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Drag Specialties Low Compression Piston - 3.00 in. Bore/9:1 Ratio - DS750771

  • Part #: H13128
  • Manufacturer Part #: DS750771
This item is no longer available

Overview of Drag Specialties Low Compression Piston - 3.00 in. Bore/9:1 Ratio - DS750771

  • Keep the heart of your Harley pumping with these high-quality, cast aluminum pistons
  • Pistons come complete with wrist pins and keepers; rings are not included (we suggest using Hastings rings) For rings: cast top ring set- H13128RC, chromoly top ring set- H13128R
  • Ratio 9:1
  • Sold each


  • Our pistons, rings and kits are sold by application and bore size. Please note that STANDARD and OVERSIZES are not indicated. To get the correct part, you must know the standard bore size to make sure you are ordering either the standard or correct amount of oversize that you need. If you have any questions, please call Technical Service.

Specs for Drag Specialties Low Compression Piston - 3.00 in. Bore/9:1 Ratio - DS750771

Bore Size 3.00 in.
Compression Ratio 9:1
Type Piston
Type - Pistons & Piston Rings Piston w/o Ring Set
Units Each
Weight 2.12 lbs

Specs for Drag Specialties Low Compression Piston - 3.00 in. Bore/9:1 Ratio - DS750771

Bore Size 3.00 in.
Compression Ratio 9:1
Type Piston
Type - Pistons & Piston Rings Piston w/o Ring Set
Units Each
Weight 2.12 lbs

Fitment for Drag Specialties Low Compression Piston - 3.00 in. Bore/9:1 Ratio - DS750771

See if this part fits your ride

Part H13128 fits the following machines

Harley-Davidson
  • 1971 Harley-Davidson Sportster - XL 900
  • 1970 Harley-Davidson Sportster - XL 900
  • 1969 Harley-Davidson Sportster - XL 900
  • 1968 Harley-Davidson Sportster - XL 900
  • 1967 Harley-Davidson Sportster - XL 900
  • 1966 Harley-Davidson Sportster - XL 900
  • 1965 Harley-Davidson Sportster - XL 900
  • 1964 Harley-Davidson Sportster - XL 900
  • 1963 Harley-Davidson Sportster - XL 900
  • 1962 Harley-Davidson Sportster - XL 900
  • 1961 Harley-Davidson Sportster - XL 900
  • 1960 Harley-Davidson Sportster - XL 900
  • 1959 Harley-Davidson Sportster - XL 900
  • 1958 Harley-Davidson Sportster - XL 900
  • 1957 Harley-Davidson Sportster - XL 900
  • 1971 Harley-Davidson Sportster - XLCH 900
  • 1970 Harley-Davidson Sportster - XLCH 900
  • 1969 Harley-Davidson Sportster - XLCH 900
  • 1968 Harley-Davidson Sportster - XLCH 900
  • 1967 Harley-Davidson Sportster - XLCH 900
  • 1966 Harley-Davidson Sportster - XLCH 900
  • 1965 Harley-Davidson Sportster - XLCH 900
  • 1964 Harley-Davidson Sportster - XLCH 900
  • 1963 Harley-Davidson Sportster - XLCH 900
  • 1962 Harley-Davidson Sportster - XLCH 900
  • 1961 Harley-Davidson Sportster - XLCH 900
  • 1960 Harley-Davidson Sportster - XLCH 900
  • 1959 Harley-Davidson Sportster - XLCH 900
  • 1958 Harley-Davidson Sportster - XLCH 900
  • 1957 Harley-Davidson Sportster - XLCH 900
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Instructions and Manuals for Drag Specialties Low Compression Piston - 3.00 in. Bore/9:1 Ratio - DS750771

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