Upgrade your engine with ARC billet sidecovers, precision-machined aluminum replacement covers engineered for strength, durability, and high-RPM performance. Designed for Predator 212, Honda GX200/Clone, GX390, Briggs Animal, and other OHV small engine platforms, ARC Racing billet sidecovers replace weak OEM cast covers with rugged 6061-T6 construction for superior crankshaft support and long-term reliability.
Built for competitive kart racing and high-output performance builds, these sidecovers help strengthen your engine’s bottom end, reduce crank flex, and improve overall stability under extreme load conditions.
Whether you’re assembling a race-ready engine or reinforcing a performance setup, ARC billet sidecovers deliver the durability and precision serious builders depend on.
ARC Racing billet sidecovers are manufactured to tight tolerances and often feature:
Compared to stock cast covers, these upgrades provide better crank alignment and enhanced structural integrity, making them ideal for demanding racing environments.
A billet sidecover replaces the stock cast engine side cover with a stronger, precision-machined component that helps support the crankshaft and improve bottom-end stability in high-performance small engine builds, including Predator 212, GX200, GX390, and Briggs platforms.
Stock cast covers can flex under high RPM and heavy load. ARC billet sidecovers are built from 6061-T6 aluminum for improved rigidity, better crank alignment, and increased durability in demanding racing environments.
ARC billet sidecovers are commonly used on Predator 212, Honda GX160, GX200, GX390, 196cc Clone engines, and select Briggs & Stratton racing platforms. Always confirm fitment on the product listing before ordering.
Many ARC billet sidecovers are designed for dual bearing support, but included components can vary by model. Check the individual product listing to confirm whether bearings, seals, or hardware are included.
A billet sidecover does not directly add horsepower. Its primary benefit is improving bottom-end strength and stability, which supports reliable performance at elevated RPM.
Using the correct gasket kit, seals, and hardware is recommended for proper fit and sealing. ARC offers related parts that help ensure a clean installation and long-term reliability.
Browse our selection of ARC billet side covers, gasket kits, bearings, and hardware to complete your build with confidence. Fast shipping and expert technical support are available to help you find the right parts for your engine platform.
