S&S CYCLE Super Stock Big Bore Engine Case - 3.625 inch for Evolution Big Twin 31-0078

Product type: Bottom End Components

SKU : 0920-0064

Regular price $1,995.95 USD

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Engine Case - Super Stock® Big Bore - 3.625" - Evolution Big Twin Upgrade your Harley-Davidson Evolution Big Twin with the S&S...

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Engine Case - Super Stock® Big Bore - 3.625" - Evolution Big Twin

Upgrade your Harley-Davidson Evolution Big Twin with the S&S CYCLE Super Stock Big Bore Engine Case, part number 31-0078. Designed for engines with a stroke up to 5 inches and most stock-length connecting rods, this 3.625-inch big bore cylinder case offers a robust foundation for high-performance builds. Crafted in the USA, it features precision machining to accept an oil filter assembly mounted on the front of the stock motor case, ensuring compatibility with existing components. The case's line-honed races and precisely-machined breather cavity optimize oil scavenging and breather timing, contributing to efficient lubrication and engine reliability. This comprehensive kit includes all necessary hardware such as crankcase bolts, washers, nuts, cylinder mounting studs, and a timing hole plug, facilitating straightforward installation. It also provides an assortment of breather and oil line fittings, an oil pressure switch, oil screen, spring, plug, and a sprocket shaft Timken® bearing assembly with oil seal, along with a pinion shaft main bearing race and cam needle bearing assembly. The oil pump drive shaft bushing and detailed installation instructions make this a complete solution for engine builders. Machined for EFI fitment, this case ensures seamless integration with electronic fuel injection systems, delivering improved performance and reliability. Whether you're restoring or building a high-performance engine, this case provides durable construction and precise engineering, making it an ideal choice for serious motor enthusiasts seeking quality and longevity in their engine components.

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