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Summit Bucks
Eaton Electronic ELocker Differentials
Eaton electronic ELocker differentials offer you the best of both worlds. Imagine having the comfort and convenience of an open differential for around town—and the powerful traction of a full-on locker when it's necessary. This is exactly what the Eaton ELockers provide. With the push of a dash-mounted button, you decide when the differential should be fully locked for maximum traction to both wheels, or free to differentiate for the best fuel mileage and tire tread life. Whether you're running a 2WD or 4WD, open or locked, the Eaton ELockers put the driver in total control! Order the carrier designed for your axle model.
( 12 )
$1,509.99
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$1,956.99
Summit Bucks
S&S Cycle Super Stock Cylinder Head Kits
S&S Cycle Super Stock cylinder head kits feature stock-appearing cylinder heads with improved performance. These heads work well with engines of stock displacement but are ideal for engines with a little larger stroke or bore. They are compatible with stock rocker boxes, intake manifolds, and exhaust. The S&S high-performance valve springs allow for camshafts with larger lifts. Super Stock aluminum cylinder head kits are available in multiple finishes depending on application and they contain all the parts needed for installation except where noted.
Not Yet Reviewed
$1,723.95
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$1,895.95
Summit Bucks
S&S Cycle Shovelhead Cylinder Sets
S&S Cycle Shovelhead cylinder sets for Big Twin engines are available in different sizes. They are made from high-strength engineering-grade gray cast iron with a durable powdercoat finish for excellent wear resistance. Select the cylinder set designed for your motorcycle engine.
Not Yet Reviewed
$1,699.95
Summit Bucks
S&S Cycle 88 in. Big Bore Cylinder Kits
S&S Cycle's 88 in. big bore kits provide significant benefits by increasing the engine displacement, resulting in more power and torque, especially noticeable in the low to mid-range powerband, while generally maintaining the stock engine character and rideability; essentially giving the bike a stronger punch with increased acceleration without drastically altering its feel. The larger bore size allows for more air and fuel to be ingested per combustion cycle, leading to a noticeable boost in power output, particularly in the low and mid-range rpm bands. For riders who frequently haul loads, the increased torque can be beneficial for pulling heavier trailers or carrying extra cargo. Many 88 in. big bore kits are designed to work with mostly stock components, requiring minimal additional engine modifications for installation. Compared to other performance upgrades like high-lift cams or forced induction, a big bore kit is often considered a cost-effective way to significantly increase engine power. After installing a big bore kit, proper engine tuning with adjustments to the fuel injection or carburetor settings is crucial to optimize performance and ensure efficient combustion. Select the S&S Cycle big bore kit specifically designed for your HD® model and year.
Not Yet Reviewed
$1,995.95
Summit Bucks
S&S Cycle 74 in. Stock Bore Cylinder Kits
The S&S Cycle 74 inch stock bore cylinder kits are intended to replace worn cylinders and pistons of a 74 in. Shovelhead engine for a Harley-Davidson® motorcycle and keep stock compression ratio of 8:1. The primary purpose of these S&S Cycle stock bore cylinder kits is to maintain the original "74 cubic inch" displacement of older Harley-Davidson® engines, essentially allowing for a rebuild, while also keeping the engine size the same without increasing the bore size beyond the standard dimensions for a 74 cubic inch engine.
Not Yet Reviewed
$1,995.95
Summit Bucks
S&S Cycle 93 in. Big Bore Cylinder Kits
S&S Cycle's 93 in. big bore cylinder kits can provide significant benefits by increasing engine displacement, resulting in noticeable gains in horsepower and torque, particularly in the low to mid-range powerband, making for a more powerful and responsive ride with improved acceleration, while often being considered a relatively easy bolt-on upgrade that doesn't require major engine modifications. The larger cylinder bore allows for more air and fuel to be ingested during each combustion cycle, leading to a substantial increase in horsepower and torque. With more power available, the motorcycle will accelerate quicker and more readily, especially in everyday riding situations. While there may be a slight decrease in fuel efficiency due to the increased displacement, it is often negligible compared to the performance gains. To maximize the benefits of a big bore kit, it is often recommended to upgrade other engine components like the camshaft and intake system to optimize airflow and further enhance performance. Depending on the specific big bore cylinder kit and your bike's engine configuration, proper tuning with a power commander or similar device may be necessary to ensure the engine runs efficiently with the increased displacement.
Not Yet Reviewed
$1,995.95
Summit Bucks
S&S Cycle 80 in. Stock Bore Cylinder Kits
The S&S Cycle 80 in. stock bore cylinder kits for a Harley-Davidson® offers the benefit of maintaining the original engine characteristics while providing a reliable and readily available replacement option. Unlike "big bore" kits which enlarge the cylinder diameter to increase engine displacement and horsepower, a stock bore kit simply replaces worn cylinders with new ones of the same size. These stock bore cylinder kits are ideal for situations where you need to rebuild the engine without significantly altering its power delivery or overall performance, while still achieving a quality repair. If your Harley® engine needs a rebuild due to wear and tear, the S&S Cycle 80 in. stock bore cylinder kits are a good choice to restore the engine to its original functionality. Select the S&S Cycle big bore kit specifically designed for your HD® model and year.
Not Yet Reviewed
$1,995.95
Summit Bucks
S&S Cycle 3 7/16 in. Bore Cylinder Kits
The S&S Cycle 3 7/16 in. bore cylinder kits provide a significant increase in engine displacement, resulting in more power and torque, especially noticeable in the low and mid-range powerband, making for a more potent and responsive riding experience, particularly for cruising and pulling heavy loads. The larger bore allows for more air and fuel to be drawn into the cylinders, leading to a substantial power increase. With more power, the motorcycle will accelerate quicker and more forcefully. This is especially beneficial for riders who frequently ride in stop-and-go traffic or need extra pulling power for towing. A larger bore can be combined with other performance upgrades like high-lift cams, larger carburetors, and upgraded exhaust systems to further enhance power gains. Proper tuning is essential after installing a big bore kit to ensure optimal performance and avoid potential issues. Before ordering, make sure this cylinder kit is compatible with your specific Harley® model/year.
Not Yet Reviewed
$1,995.95
Summit Bucks
S&S Cycle 98 in. Big Bore Cylinder Kits
The S&S Cycle 98 in. big bore cylinder kits for a Harley-Davidson® motorcycle can provide significant benefits, especially for riders seeking more acceleration and pulling power. The larger cylinder bore can dramatically increase engine displacement, resulting in a noticeable boost in horsepower and torque, particularly in the low and mid-range power bands, making for a more powerful and responsive ride, while often still maintaining compatibility with stock cylinder heads and requiring minimal modifications for installation. Many big bore kits are designed as "bolt-on" options; meaning they can be installed without extensive modifications to the existing engine, making them a popular choice for Harley® enthusiasts. To maximize the benefits of a big bore kit, it is often recommended to upgrade other engine components like the camshaft and intake system to optimize airflow and further enhance performance. After the big bore kit install, proper tuning with adjustments to fuel injection settings, as well as the ignition timing may be necessary.
Not Yet Reviewed
$1,995.95
Summit Bucks
S&S Cycle 96 in. Big Bore Cylinder Kits
S&S Cycle's 96 in. big bore cylinder kits for a Harley-Davidson® motorcycle provides significant benefits by increasing the engine displacement, leading to noticeable power gains, particularly in the low and mid-range torque, resulting in better acceleration and improved overall performance, especially for riders looking for a more powerful ride without drastically altering the engine character. The larger cylinder bore displaces more air, allowing for more fuel to be burned, generating more power throughout the powerband, especially noticeable during acceleration. Big bore kits tend to focus on increasing low and mid-range torque, which is beneficial for everyday riding and pulling heavy loads. With a larger cylinder volume, the engine can react quicker to throttle inputs, leading to a more responsive feel. Compared to other performance modifications, a big bore kit can be a relatively straightforward upgrade, often requiring minimal additional changes to the engine. One of these S&S Cycle 96 in. big bore kits can be a great starting point for further performance upgrades like camshaft changes, ported heads, and upgraded intake systems to maximize power gains.
Not Yet Reviewed
$1,995.95
Summit Bucks
S&S Cycle Flywheel Assemblies
Why put your bike engine back together with stock parts—when you can upgrade with one of the S&S Cycle flywheel assemblies? These 3-piece units are forged and heat-treated from 4140 steel, making them harder and stronger than stock. They're precision-machined to be truer (for less vibration), and are assembled with integral mainshafts and lightweight connecting rod forgings. Stock flywheels shift out of true under heavy loads; improve your motorcycle with an S&S Cycle flywheel assembly.
Not Yet Reviewed
$1,595.95
Summit Bucks
S&S Cycle Super Stock Alternator-Style Crankcases
S&S Cycle Super Stock alternator-style crankcases are perfect for stock replacement and high performance applications. Available in stock and different bore sizes, some are machined for the installation of a crank position sensor, but all are compatible with stock flywheel assemblies, primary covers, gear covers, and are clearanced for 38 amp alternator stators. Certain options may include the required hardware, fittings, and bearings, and may be offered in different finishes. Select the S&S Super Stock alternator-style crankcase designed for your motorcycle's engine.
Not Yet Reviewed
$1,895.95
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$1,995.95
