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Unleash the True Heart of Your Motorcycle with SPEC-X Engines

At the core of every legendary motorcycle beats a powerhouse of precision engineering and raw power. For riders who refuse to compromise and demand nothing less than peak performance, SPEC-X delivers the ultimate engine experience. Available at motardinn, the SPEC-X brand is synonymous with high-performance motorcycle engines, meticulously engineered to transform your ride from ordinary to extraordinary. Specializing in the very heart of your machine, SPEC-X offers an extensive and superior catalog of complete engines and individual components designed for unmatched power, explosive torque, and unwavering reliability.

Dive deep into a world of mechanical excellence. Whether you are a track day enthusiast chasing faster lap times, a custom builder creating a one-of-a-kind masterpiece, or a dedicated rider looking to breathe new life into a beloved bike, SPEC-X has the engine solution for you. Our collection focuses on what truly matters: the internal combustion components that define your motorcycle´s character and capability. Discover a range of products from forged high-compression pistons and precision-honed cylinders to perfectly balanced crankshafts and aggressive performance camshafts. Each component is designed to work in perfect harmony, maximizing efficiency and unlocking horsepower you can feel with every twist of the throttle.

Are you undertaking a complete engine rebuild? SPEC-X provides comprehensive engine kits that include everything you need, from top-end gasket sets to bearings and seals, ensuring a perfect, leak-free assembly. For those seeking a serious competitive edge, explore the range of SPEC-X big bore kits and stroker kits, engineered to dramatically increase displacement and deliver a monumental boost in performance. If your project demands a fresh start, a brand-new, factory-assembled complete SPEC-X engine offers a drop-in solution for immediate power and peace of mind.

Every SPEC-X part is the result of relentless research, development, and a passion for two-wheeled performance. Crafted from advanced alloys and cutting-edge materials that often exceed OEM specifications, these engine components are built to endure. Subjected to rigorous quality control and real-world testing on racetracks and demanding terrains, SPEC-X engines and parts guarantee longevity and consistent performance under the most extreme pressure. Feel the immediate difference in throttle response, the thrilling surge of acceleration out of a corner, and the confidence that comes from knowing your engine is built by the best, for the best.

Here at motardinn, we understand that your motorcycle is an extension of your passion. That’s why we are proud to feature a curated selection of SPEC-X engine solutions to help you achieve your performance goals. Browse our collection to find the perfect foundation for your sportbike, supermoto, or custom project. Upgrade the heart of your machine with SPEC-X and experience the pinnacle of motorcycle engine technology

Engine Spec-x

Spec-x 19-Z9043-32 top end gasket kit

Spec-x 19-Z9073-32 top end gasket kit

Spec-x 30040102500101 top end gasket kit

Spec-x 70060102500101 top end gasket kit

Spec-x 80080102500701 top end gasket kit

Spec-x Standard crankshaft

Spec-x 05E-003-40-41 cylinder kit

Spec-x 05E-010-40 cylinder kit

Spec-x 05P-001-40-41 cylinder kit

Spec-x 125CC D55.0 mm AC cylinder kit

Spec-x 19 x 30 x 7 mm oil seals

Spec-x 20 x 30 x 7 mm oil seals

Spec-x T03-1605 carburetor repair kit

Spec-x T03-3604 carburetor repair kit

Spec-x T03-3606 carburetor repair kit

Spec-x A030190700400201 intake boot

Spec-x A110150700400101 intake boot

Spec-x 19-Z9013-32 top end gasket kit

Spec-x 30080102500301 top end gasket kit

Spec-x 055-003-41-41 cylinder kit

Spec-x 05E-008-40-41 cylinder kit

Spec-x 05K-001-39-41 cylinder kit

Spec-x 05M-003-40-41 cylinder kit

Spec-x 089-R001 carburetor repair kit

Spec-x 15 x 25.5 x 7 mm oil seals

Spec-x 15.6 x 25.5 x 7 mm oil seals

Spec-x 17 x 27 x 6 mm oil seals

Spec-x 18 x 28 x 7 mm oil seals

Spec-x 20 x 32 x 7 mm oil seals

Spec-x 270010100200101 cylinder kit

Spec-x A030010700100101 Carburetor

Spec-x A030190700100101 Carburetor

Spec-x A500000700102601 Carburetor

Spec-x D04-5039 clutch discs kit

Spec-x D04-5040 clutch discs kit

Spec-x 70150102500101 top end gasket kit

Spec-x 110020700400101 intake boot

Find Engine from Spec-x for motorcycle