S&S Cycle Evolution V80 Long Block Engine - 80ci - 310-0233

The S&S Cycle V80 Long-Block Engine is a high-performance replacement for aging 80" H-D Evolution engines. This stock-height, direct bolt-in engine offers increased power and reliability for your '84-'99 Evolution Big Twin or '70-'90 custom chassis with alternator-style primary.

Description

This S&S V80 long-block engine delivers improved performance thanks to specially machined cylinder heads that allow the use of stock-length manifolds. It features S&S performance cylinder heads, a standard S&S oil pump, and flat-top cast pistons for optimal combustion. The inclusion of S&S 585 valve springs, forged rocker arms, and a 508 camshaft further enhances its performance capabilities. Made in the USA, this engine offers superior quality and durability. It's designed for easy installation, providing a significant upgrade to your motorcycle's power and overall riding experience. This 80 cubic inch engine with an 8.4:1 compression ratio ensures a potent and reliable performance.

Features & highlights

• Direct bolt-in replacement for aging 80" H-D Evolution engines, simplifying installation.
• Specially machined cylinder heads allow the use of stock-length manifolds, saving time and money.
• Includes high-performance S&S components like cylinder heads and oil pump for enhanced reliability and power.
• Features flat-top cast pistons, 585 valve springs, forged rocker arms, and a 508 camshaft for optimal performance.
• Made in the USA, ensuring top-notch quality and craftsmanship.
• Compatible with EFI systems, allowing for modern fuel management upgrades (calibration required).

Technical specifications

• Brand: S&S Cycle
• Displacement: 80"
• Bore Size: 3.500"
• Stroke Length: 4.250"
• Compression Ratio: 8.4:1
• Cooling System: Air Cooled
• Color/Finish: Wrinkle Black

Important to know

Fuel and ignition systems are not included; use existing carburetor (rejetting is required) or aftermarket EFI system. EFI compatible - calibration required (must use aftermarket module or add-on tuner).