SKU:11-3183
The Ultima 11-3183 107 cubic-inch piston set is designed for high-performance engine builds using cylinders with a 4-inch bore. This .020 oversize set features a domed piston design and is engineered for a 10.1:1 compression ratio, making it a suitable replacement or upgrade for compatible applications requiring dependable fitment and performance. The set includes the primary components needed for installation, helping simplify engine assembly and service.
Supplied as a complete set, the Ultima 11-3183 includes piston rings, wrist pins, and retaining clips. Each component is matched for use with the piston set to support proper installation and reliable operation. Verify cylinder bore specifications, compression requirements, piston-to-cylinder clearance, and engine compatibility before installation, especially when replacing pistons in a performance-oriented build.
Ultima manufactures this piston set in the USA. The .020 oversize specification is intended for cylinders machined to accommodate the corresponding piston size, so professional inspection and precise machining are recommended for proper clearances. For related service needs, compatible accessory options include standard and additional oversize Ultima piston sets, while the suggested 11-3120 ring set is intended for a different application and should be confirmed before ordering.
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