Drag Specialties DS-750740 +0.005" Piston Kit – Harley-Davidson Evolution 1340 (1984–2000)
Cast Aluminum | Overbore Top-End Rebuild Kit | OEM Fit for EVO Models

Description:

Restore compression and performance in your Harley Evolution engine with the Drag Specialties DS-750740 piston kit, precision-machined for +0.005" overbore cylinders. Built from high-quality cast aluminum alloy and designed to OEM specifications, this kit is ideal for reliable top-end rebuilds.

Each kit includes two pistons, wrist pins, and clips, ready to install with your choice of OEM or Hastings rings (sold separately). Whether you're fixing wear or doing a light overbore, this is the trusted solution for your EVO.

Kit Features:

• OEM-style cast aluminum alloy pistons for strength and cooling

• Select applications feature friction-reducing coating for extended piston life

• Compatible with OEM or Hastings piston rings (sold separately)

• Includes: 2 pistons, 2 wrist pins, 4 clips

• Perfect for mild overbore rebuilds and compression restoration

Technical Specs:

• Bore Size: 3.503"

• Oversize: +0.005"

• Compression Ratio: 8.5:1

• Stroke Length: 4-1/4"

• Material: Cast Aluminum

• Units: Kit (both cylinders)

• Weight: 2.63 lbs

Fitment – Harley-Davidson Evolution 1340 (1984–2000):

• Softail: FLST, FLSTC, FLSTF, FLSTN, FLSTS, FXST, FXSTB, FXSTC, FXSTS

• Dyna: FXD, FXDL, FXDWG, FXDS-CONV, FXDB, FXDC

• FXR Series: FXR, FXRC, FXRD, FXRS, FXRT, FXRS-CONV, FXRS-SP

• Touring: FLHT, FLHTC, FLHTCU, FLHS, FLTR, FLHR, FLTC, FLTCU

• Special Editions: FXR 2, FXR 3, FXR 4

Covers nearly all factory 1340cc Evolution-equipped Harley-Davidson models from 1984–2000.