S&S Cycle Evolution V80 Long Block Engine - 80ci - Silver - 310-0232

Upgrade your aging Harley-Davidson Evolution engine with the S&S Cycle V80 Long-Block Engine. This stock-height, basic engine serves as a direct bolt-in replacement for 80" Evolution engines, offering enhanced performance and reliability. Experience the quality and power of American-made engineering.

Description

The S&S Cycle V80 Long-Block Engine is meticulously crafted to breathe new life into your '84-'99 Evolution Big Twin or '70-'90 custom chassis equipped with an alternator-style primary. The specially machined cylinder heads allow the use of stock-length manifolds, simplifying the installation process. This long-block includes S&S performance cylinder heads, ensuring optimal combustion and power delivery. It features an S&S standard oil pump for reliable lubrication, flat top cast pistons for efficient compression, S&S 585 valve springs for precise valve control, forged rocker arms for added durability, and a 508 camshaft designed for improved performance. The 80" displacement delivers robust power and torque, making it an ideal upgrade for enthusiasts seeking enhanced performance from their Evolution Big Twin. The 8.4:1 compression ratio provides a good balance of power and reliability. Enjoy a smoother, more powerful ride with this meticulously engineered long-block. Note that fuel and ignition systems are not included, and if using existing carburetors, rejetting will be required. The engine is also EFI compatible but requires calibration with an aftermarket module or add-on tuner.

Features & highlights

• Direct bolt-in replacement for aging 80" H-D Evolution engines.
• Specially machined cylinder heads compatible with stock-length manifolds.
• Includes S&S performance cylinder heads for improved combustion.
• Features a high-performance 508 camshaft for enhanced power and torque.
• Made in the USA with premium components for lasting reliability.
• EFI compatible (requires calibration with aftermarket module or tuner).

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: Silver

Important to know

• Requires '84-'99 Evolution Big Twin or '70-'90 custom chassis with alternator-style primary.
• Fuel and ignition systems are not included.
• Carburetor rejetting required when using existing carburetors.
• EFI compatible, calibration required with aftermarket module or add-on tuner.