S&S Cycle V80 Engine Fits Harley-Davidson Evolution Big Twin 1984-1999

S&S Cycle V80 Engine Fits Harley-Davidson Evolution Big Twin 1984-1999

Drop a complete S&S Cycle 80 cubic-inch Evolution crate engine into your 1984-1999 Big Twin or alternator-style custom build with one turnkey assembly. The V80 ships with cam, carburetor, cylinder heads, and S&S V-Series crankcases all in the box, ready for chassis-side installation.

Key Features

• Complete assembled 80 cubic-inch Evolution carbureted crate engine
• S&S V-Series 80 crankcases with the alternator-style primary-case bolt pattern
• S&S cylinder heads, S&S camshaft, and S&S hydraulic valvetrain
• S&S Super carburetor with classic teardrop air cleaner included
• 4.0 inch bore and 4.25 inch stroke – standard 80 Evolution-replacement spec
• Available in Natural or Wrinkle Black finish
• Carbureted operation – no ECM tune required
• Two-year S&S warranty

Technical Specifications

• Displacement: 80 cubic inches
• Bore x Stroke: 4.0 inch x 4.25 inch
• Crankcases: S&S V-Series, alternator-style primary
• Cylinder Heads: S&S
• Camshaft: S&S
• Valvetrain: Hydraulic
• Carburetor: S&S Super with teardrop air cleaner
• Fuel System: Carbureted (no ECM)
• Warranty: 2 years
• Country of Origin: United States

Fitment Notes

• Compatible with Harley-Davidson 1984-1999 Evolution Big Twin chassis across the Softail, FXR, Dyna, and Touring families.
• Also compatible with custom frames built for alternator-style Evolution Big Twin engines.
• Excludes the 1999-Up Twin Cam platform.
• Complete-engine scope: the installer fits the chassis-side primary, transmission interface, exhaust, and ignition wiring harness.
• Refer to the Fitment tab for the full platform breakdown.
• Not affiliated with or endorsed by Harley-Davidson.