Harley-Davidson S&S Twin Cam T124 Engine – 124″ Performance Motor (1999-2006)

S&S Twin Cam T124 Engine – High-Performance 124″ Touring Upgrade
The Ultimate Power Upgrade for Harley-Davidson Touring
Experience the pinnacle of V-Twin performance with the S&S Twin Cam T124 Engine, a massive 124 cubic inch power plant designed specifically for 1999–2006 Harley-Davidson Touring chassis. This engine is the premier solution for riders seeking a reliable, high-torque replacement for their aging factory motors. Built by the industry leaders at S&S Cycle, the T124 offers a significant displacement increase over stock Twin Cam engines, providing effortless acceleration and superior high-speed cruising stability for your bagger. When you choose a complete crate engine, you are investing in a machine where every component—from the flywheels to the valvetrain—is engineered to work in perfect harmony.
Engineered for Durability and Style
The S&S Twin Cam T124 Engine is a masterpiece of precision engineering, finished in a striking Vivid Black and machined style that matches the premium quality found at powerequipments.store.
• High-Gloss Powder Coat: The rocker boxes and engine cases feature a durable black powder-coated finish that resists high heat and road debris.
• Machined Cooling Fins: Each cylinder features precision-machined fins to improve airflow and heat dissipation, which is critical for maintaining performance in a 124″ motor.
• Performance Air Intake: This unit comes equipped with a high-flow S&S air cleaner assembly designed to provide the massive air volume required for 124 cubic inches of displacement.
• Forged Internal Components: Inside the T124 are heavy-duty forged pistons and high-performance cams engineered to handle the stresses of long-distance touring.
Why Choose 124 Cubic Inches?
Upgrading to a S&S Twin Cam T124 Engine isn’t just about speed; it’s about the quality of the ride. A larger displacement motor allows the bike to operate more efficiently at highway speeds, reducing the need for constant downshifting when climbing hills or overtaking slower traffic. The 124″ platform is widely regarded as the “sweet spot” for touring, offering enough power to turn heads at the drag strip while remaining docile enough for stop-and-go city traffic. The increased bore and stroke translate to a deep, aggressive exhaust note that stock engines simply cannot replicate.
Direct Fitment and Installation
This S&S Twin Cam T124 Engine is designed as a direct bolt-in replacement for your 1999–2006 Harley-Davidson Touring motorcycle.
• Compatible Models: A perfect fit for Road Glide, Street Glide, Electra Glide, and Road King models within the specified year range.
• Drivetrain Integration: The engine is built to interface seamlessly with your factory 5-speed transmission and primary drive components.
• Crate Engine Quality: Arriving fully assembled, this engine reduces the complexity of a performance build, ensuring every internal seal and component is factory-aligned.
Technical Specifications
• Manufacturer: S&S Cycle
• Model: T124 Twin Cam
• Displacement: 124 Cubic Inches
• Fitment: 1999–2006 Touring Models
• Finish: Black Powder Coat with Machined Accents
• Oil Pump: High-flow S&S oil pump for superior lubrication
• Condition: Brand New Crate Engine
Frequently Asked Questions (FAQ)
Will this S&S Twin Cam T124 Engine fit my 2007 Harley?
No, this specific configuration is optimized for 1999–2006 models. For 2007 and newer bikes, a different T-series engine is required due to significant changes in the oiling system and transmission interface.
Does the engine include an air cleaner?
Yes, as shown in the product gallery at Power Equipments Store, the engine includes a high-performance S&S air intake system specifically tuned for the T124.
What is the advantage of the 124″ displacement?
The 124″ displacement provides massive torque at lower RPMs. This is ideal for heavy touring bikes carrying passengers or luggage, as it allows for immediate throttle response without stressing the motor.
Do I need a new fuel management system?
Yes, because the S&S Twin Cam T124 Engine moves much more air than a stock motor, you will need an adjustable fuel tuner or a remapped ECU to ensure the air-fuel ratio is correct for peak performance and engine longevity.
Where is this product shipped from?
As with all equipment from powerequipments.store, this engine is shipped from our trusted warehouses to ensure fast, secure delivery across the United States. We use specialized crating to ensure your engine arrives in flawless condition.