SH93 SERIES COMPLETE ASSEMBLED SHOVELHEAD ENGINE

Harley-Davidson Shovelhead Engine | The SH93 Series Complete Assembled Shovelhead Engine is a modern, high-performance version of the Harley-Davidson Shovelhead engine. These engines are designed for motorcycle enthusiasts who want the vintage look and feel of the Shovelhead while benefiting from modern materials, engineering, and performance improvements.

Key Features of the SH93 Harley-Davidson Shovelhead Engine

1. Displacement: 93 cubic inches (1,525 cc), providing a significant increase in power and torque over the original Shovelhead engines.
2. Design: Based on the classic Shovelhead engine design, with the distinctive “shovel” shaped rocker covers, which were produced by Harley-Davidson from 1966 to 1984.
3. Power Output: The SH93 series typically produces significantly more power than the original Shovelheads, often reaching around 80+ horsepower, depending on the specific build and tuning.
4. Cooling: Air-cooled, like the original, but often optimized for better heat dissipation and performance.
5. Valvetrain: Overhead valve (OHV) configuration, maintaining the traditional architecture of the Shovelhead.
6. Fuel System: Many SH93 engines are carbureted, but they can often be upgraded with modern fuel injection systems for improved reliability and fuel efficiency.
7. Transmission Compatibility: These engines are designed to be compatible with 4-speed and 5-speed transmissions, making them versatile for custom builds or as replacements in older bikes.
8. Materials & Build Quality: Modern SH93 engines are built using superior materials and precision manufacturing techniques. This results in better durability, reduced oil leaks, and more reliable performance compared to the original 1966–1984 Shovelhead engines.

Purpose:

The SH93 is a popular choice for custom motorcycles and vintage Harley-Davidson restorations. It maintains the iconic Shovelhead aesthetic while providing enhanced performance, power, and reliability, making it an excellent upgrade for classic bikes.

Aftermarket & Customization:

Builders like S&S Cycle and Ultima produce versions of the SH93 engine, and these engines are often equipped with updated internals, stronger cases, and improved oil circulation systems. This makes them capable of handling more power and higher RPMs than stock Shovelheads.

The SH93 engine appeals to those who love the vintage look and sound of Harley’s Shovelhead engines but want a more powerful and dependable version for everyday use or custom bike builds.

Looking for a super-reliable, top-quality, made in the USA engine for your stock or custom motorcycle? You can’t go wrong with an S&S engine! It is a great feeling to crack open the carton on a brand new, ‘vintage’ engine complete with carburetor and ignition, ready to go! Lowbrow Customs is here to answer any questions you may have before or after scoring your new powerplant for that dream bike you are building. If you have any questions please contact us and we will get right back to you!

This 93 cubic inch S&S SH93 engine fits 1970-84 HD big twin models and is ideal for a building a retro custom bike. Keep in mind that as cool as these motors look, they are not reproductions. These engines were built to runFits 70-99 Chassis With Alternator-Style Primary
S&S 8.5:1 Forged Pistons And S&S Super Stock Cylinder Heads
S&S Super E Carburetor With Classic Teardrop Air Cleaner
S&S Hydraulic Valve Train And Roller Rockers
S&S Super Stock Single Fire Electronic Ignition System
S&S Billet Cam Cover
Includes Oil Filter Mount For Generator Location
Natural Crankcase With Black Powder-Coat Cylinders
93″ Displacement, 8.5:1 Compression, 3-5/8″ Bore X 4-1/2″ Stroke

EMISSIONS NOTES: This engine is CARB-restricted item and cannot ship to California or be registered there due to California emissions law.

SHIPPING AND REGISTRATION: Engines will ship to you via freight so lead times may be longer than standard. Engine paperwork(MSO) will be mailed to you separately. Due to the fact each engine is registered to the purchaser there are NO RETURNS on complete engines. Once you purchase an engine we will contact you to confirm all information before completing paperwork and arranging shipping.

Note: There are no returns on carburetors, electrical items, full frames, hardtails or made-to-order items (such as magnetos) unless there is a manufacturer’s defect.