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

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

The V80 long-block is the long-block counterpart to the V80 complete crate engine – the same 80 cubic-inch Evolution Big Twin assembly supplied without the carburetor, air cleaner, or ignition, so the rebuilder can install the long-block with the existing fuel and ignition components.

Key Features

• Complete 80 cubic-inch Evolution Big Twin long-block, ready to install with the customer’s existing fuel and ignition
• S&S V-Series 80 crankcases with the alternator-style primary-case bolt pattern
• S&S cylinder heads, S&S camshaft, S&S forged pistons, and S&S hydraulic valvetrain
• 4.0 inch bore and 4.25 inch stroke – standard 80 Evolution-replacement spec
• Available in Natural or Wrinkle Black finish
• 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
• Pistons: S&S forged
• Camshaft: S&S
• Valvetrain: Hydraulic
• 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.
• Long-block scope: the installer supplies the carburetor, air cleaner, ignition, plus chassis-side primary, transmission, and exhaust.
• Refer to the Fitment tab for the full platform breakdown.
• Not affiliated with or endorsed by Harley-Davidson.