S&S Cycle V80 Long Block Engine for 1984-1999 Harley-Davidson Big Twin

S&S Cycle V80 Long Block Engine for 1984-1999 Harley-Davidson Big Twin

When a worn Evolution motor finally calls it quits, the S&S V80 long block is the answer worth considering. It transforms tired throttle response into something worth riding again, delivering confident power pull that rebuilds rarely match – and it does so in far less time and with far less uncertainty than taking apart what you already have.

Key Features

• Complete long block assembly – machined cylinders, forged pistons, and high-flow heads ready to drop in without custom fabrication
• Works directly with your existing carburetor, ignition, cam, and exhaust; no system upgrades required
• Available in Natural aluminum or Wrinkle Black powder-coated finish
• Backed by a two-year S&S Cycle factory warranty on materials and workmanship
• Precision-machined to S&S production tolerances for consistent fit across all 1984-1999 Big Twin frames

Technical Specifications

• Displacement: 80ci (1310cc)
• Engine Type: Air-cooled V-twin, Evolution architecture
• Assembly: Long block only – cylinders, pistons, heads, flywheel assembly included
• Compatible Frame: 1984-1999 Harley-Davidson Big Twin; custom chassis with Big Twin dimensions
• Warranty: Two-year S&S Cycle factory warranty

Fitment Notes

• Long block does not include carburetor, cam, ignition, or starter; use your existing components
• Confirm mounting point compatibility when fitting custom or modified frames
• Street-use restrictions may apply depending on state emissions requirements
• Review the Fitment tab for complete year and model breakdown