ARP's main stud kit reinforces the bottom end of Sea-Doo Rotax engines, eliminating main cap movement and protecting the thread bores in the block. For high-output and rebuilt engi...
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ARP's main stud kit reinforces the bottom end of Sea-Doo Rotax engines, eliminating main cap movement and protecting the thread bores in the block. For high-output and rebuilt engines, it keeps the crankshaft properly located under load.
Complete with hardened washers and quality nuts for precise, consistent torque. A foundational upgrade for any serious Rotax build.