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

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

For riders who want more out of their Evolution-era Harley without going big-inch, the S&S V80 complete engine is a ready-to-ride solution. It installs into any stock-frame Big Twin chassis and delivers a noticeably stronger, more responsive ride — with everything you need to fire it up already included.

Key Features

• Complete engine assembly — carburetor, camshaft, and ignition included, ready for installation
• Same displacement and external dimensions as the stock 1984-1999 HD Evolution engine — fits stock frames without modification
• S&S Super E carburetor for proven, reliable fueling performance
• S&S 508 camshaft for improved power delivery over stock
• High-flow S&S cylinder heads for enhanced breathing and performance
• S&S Super Stock single-fire ignition included
• Carbureted only — not compatible with EFI applications
• Natural finish available as special order
• Two-year warranty

Technical Specifications

• Displacement: 80 cubic inches (V80)
• Engine Type: Evolution-pattern V-twin, complete assembly
• Carburetor: S&S Super E (included)
• Camshaft: S&S 508 (included)
• Cylinder Heads: High-flow S&S
• Ignition: S&S Super Stock single-fire (included)
• Fuel System Compatibility: Carbureted only — not EFI-compatible
• Finish Options: Black (stock), Natural (special order)
• Dimensions — Black Finish (L x W x H): 26.5″ x 24.56″ x 20.06″
• Dimensions — Natural Finish: Pending supplier verification — contact us before ordering
• Warranty: Two years
• Emissions: Not legal for sale or use in California on pollution-controlled motor vehicles. Not legal for sale or use on any EPA pollution-controlled motor vehicle.

Fitment Notes

• Fits all 1984-1999 Harley-Davidson Evolution Big Twin chassis, including Softail, FXR, Dyna, and Touring platforms
• Also compatible with custom frames designed for alternator-style Evolution primary, 1970-1999
• No frame modification required — same external dimensions as stock Evolution engine
• Not compatible with EFI applications — carbureted configuration only
• Natural finish is a special order item — contact us for lead time before purchasing
• Review the Fitment tab for a complete year and model breakdown