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Engine Bottom End / Oil Pump

Today’s big inch, high performance Harley® engines produce a lot of power with just a twist of the throttle. That power can be a lot of fun, but can also create a lot of stress and wear on critical bottom end and oil pump components. Additionally, a healthy, well-performing oiling system is critical to ease the heat and stress of fast-moving, high demand parts like pistons and cams. If you’re considering a big inch build, or want to upgrade parts on an existing engine, Zipper’s Performance offers the strongest, most reliable and innovative components on the market. Here you’ll find the latest offerings from Zipper’s as well as notable manufacturers like Feuling®, JIMS®, S&S® and Timken®.
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  1. Be the first to review this product

    From: $1,175.00

    To: $10,047.00

    S&S® Super Stock® cases for EV-Shovel-Pan engines are made from 356-T6 heat-treated aluminum for strength and a “clean” functional appearance.
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    From: $133.99

    To: $548.97

    V-Thunder’s® engine mounts use space age materials to further reduce vibration on bikes with rubber-mounted engines. Their engine stabilizers replace the stock links with what amounts to a mini shock absorber. A stainless steel body and plunger assembly utilizes a special urethane damping system that significantly reduces transmitted vibration. A similar material is used on their front engine mount for FXR and FLT models.
  3. Be the first to review this product

    As low as: $1,299.00

    Want the strongest foundation for your Twin Cam® engine? Let us supply you with a new S&S® crankshaft assembly.
  4. Be the first to review this product

    From: $1,149.95

    To: $7,209.35

    These S&S® crankshaft assemblies are perfect for reconditioning and high performance applications. These crankshafts are balanced and assembled by S&S® with standard diameter flywheels and S&S® heavy-duty rods. We can supply you with a balanced, assembled and trued crankshaft, stock stroke or stroker, that’s ready to install in your case.
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    From: $119.95

    To: $399.85

    “Some shafts drive you nuts... our shafts come with them!” is the slogan from S&S®. Sprocket shafts are specially designed with oversize 6 degree tapers and heavy-duty keyways for use with like-machined S&S ® flywheels. Big Twin pinion shafts can be used in S&S® or factory flywheels that have replaceable shafts. And, as stated, all come with the hardware required to install them into the flywheels.
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