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The S&S CYCLE Super Stock Big Bore Engine Case is designed for high-performance Harley-Davidson Evolution Big Twin engines. Featuring a 3.625-inch bore, this case provides increased displacement and power, suitable for engines with stroke lengths up to 5 inches and most stock-length connecting rods. The case is precision machined to accept an oil filter assembly mounted on the front, ensuring optimal oil filtration and flow. All races are line-honed for smooth operation, and the breather cavity is precisely machined to enhance breather timing, maximizing oil scavenging efficiency and reducing crankcase pressure.
Constructed from durable materials, this engine case includes essential components such as crankcase bolts, washers, nuts, cylinder mounting studs, and a timing hole plug. It also features a magnetic drain plug, a variety of breather and oil line fittings, and an oil pressure switch for reliable monitoring. The oil screen, spring, and plug ensure consistent oil flow, while the sprocket shaft TimkenĀ® bearing assembly and oil seal provide excellent support and sealing. The pinion shaft main bearing race, cam needle bearing assembly, and oil pump drive shaft bushing are included for seamless assembly and operation.
The case is machined for EFI fitment, allowing for modern fuel injection systems, and is proudly made in the USA, guaranteeing quality and craftsmanship. This comprehensive kit is ideal for builders seeking a high-performance, reliable engine case that supports advanced modifications and upgrades, ensuring durability and maximum power output for custom Harley-Davidson projects.
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