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S&S Cycle Twin Cam 88A Crankcases

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The Twin Cam 88A crankcases from S&S Cycle provide a stronger, more reliable, and more durable foundation for the engine, particularly in high-performance applicati

The Twin Cam 88A crankcases from S&S Cycle provide a stronger, more reliable, and more durable foundation for the engine, particularly in high-performance applications, addressing weaknesses in the previous Evolution engine. The Twin Cam 88A is intended to replace crankcases in HD® Twin Cam 88 engines in existing HD® chassis only. S&S stock style crankcases have a rear motor mount that bolts directly to the stock 1999-2006 transmission for all models except 2006 HD® Dyna. Known for their strength and durability, these crankcases are compatible with the stock primary, charging system, and other stock components. Stock

The Twin Cam 88A crankcases from S&S Cycle provide a stronger, more reliable, and more durable foundation for the engine, particularly in high-performance applications, addressing weaknesses in the previous Evolution engine. The Twin Cam 88A is intended to replace crankcases in HD® Twin Cam 88 engines in existing HD® chassis only. S&S stock style crankcases have a rear motor mount that bolts directly to the stock 1999-2006 transmission for all models except 2006 HD® Dyna. Known for their strength and durability, these crankcases are compatible with the stock primary, charging system, and other stock components. Stock bore cases are perfect for replacement applications, 4 in. bore cases are a natural for use with the S&S Super Sidewinder Hot Set Up kits, and 4 1/8 in. bore cases make really large displacement custom engines possible and are available with the S&S cylinder stud pattern or with the stock cylinder stud pattern. The 4 1/8 in. bore cases with stock stud pattern are ideal for the S&S 124 in. Hot Set Up Kit for stock crankcases. Select the Twin Cam 88A crankcase designed specifically for your HD® bike model.