{"product_id":"ultima-100-inch-piston-set-for-3-875-inch-bore-engines-9-5-1-compression-005-oversize-usa-made","title":"Ultima 100 Inch Piston Set For 3.875 Bore Engines 9.5 To 1 Oversize USA Made","description":"\u003cdiv\u003e\n\u003ch1\u003eUltima 100 Inch Dome Piston Set for 3.875-inch Bore Engines — 9.5:1 Compression, USA Made\u003c\/h1\u003e\n\u003cp\u003eThe 100 Inch Ultima dome piston set fits 3.875-inch bore cylinders and yields a 9.5:1 compression ratio. Rings are included to complete the piston assembly, supporting reliable performance for rebuilds and custom engine builds.\u003c\/p\u003e\n\u003cp\u003eDesigned to fit precisely within the specified bore, this USA-made piston set ensures proper clearance and consistent operation for maximum performance and longevity. Oversize is +0.005 inch for precise installation and alignment in high-demand applications.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePart Number: 92-501\u003c\/li\u003e \u003cli\u003ePiston type: dome\u003c\/li\u003e \u003cli\u003eBore: 3.875 inch\u003c\/li\u003e \u003cli\u003eCompression ratio: 9.5:1\u003c\/li\u003e \u003cli\u003eOversize: +0.005 inch\u003c\/li\u003e \u003cli\u003eIncludes rings\u003c\/li\u003e \u003cli\u003eMade in USA\u003c\/li\u003e\n\u003c\/ul\u003e100 inch Ultima dome piston set for use with 3.875 inch bore cylinders with 9.5:1 compression with rings included.\n\u003cp\u003eThe Ultima 100 Inch Piston Set (Part Number 92-501) is designed for use with 3.875 inch bore cylinders, delivering reliable performance for high-demand applications. This piston set features a precise 9.5:1 compression ratio, optimized for power and efficiency. Crafted in the USA, it ensures quality and durability, making it a dependable choice for rebuilds and custom engine builds. Each set includes rings, providing a comprehensive solution for your engine needs. The pistons are engineered to fit specifically within the specified bore size, ensuring proper clearance and optimal operation for maximum performance and longevity. Whether upgrading an existing engine or building a new one, this piston set offers the right specifications and quality to meet professional standards.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eDesigned for use with 3.875 inch bore cylinders for precise fit and performance\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eIncludes rings for a complete piston assembly\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eEngineered with a 9.5:1 compression ratio for balanced power and efficiency\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eManufactured in the USA ensuring high quality and durability\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eOversize:.005 inch for precise installation and optimal engine performance\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ultima","offers":[{"title":"Default Title","offer_id":44652034162730,"sku":"11-3251","price":207.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/11-3251a.jpg?v=1785869408","url":"https:\/\/atticusgoods.com\/products\/ultima-100-inch-piston-set-for-3-875-inch-bore-engines-9-5-1-compression-005-oversize-usa-made","provider":"Atticus Goods","version":"1.0","type":"link"}