Engine Crankshafts | Summit Racing

ICT Billet Crankshaft Keys

ICT Billet offers crankshaft key replacements for a variety of applications. Sometimes referred to as "woodruff keys," these half-moon shaped steel discs are installed in the hub of a pulley or gear so they won't spin freely or slip off the shaft they're attached to. Crankshaft keys can be used to help increase torque and horsepower within the operating range you select. Order the model recommended for your vehicle make and engine application.

5.0 out of 5 stars ( 1 )

$19.99

Howards Cams Reaper Billet Steel Crankshafts

Howards Cams Reaper billet steel crankshafts are more robust than most because they have a uniform and non-stress grain structure. These cranks start with E4340 aircraft-quality bar stock material and are precision CNC-machined. They feature bearing journals with large fillet radii (chamfered bearings required) and weight-reducing holes in all rod journals. Reaper crankshafts are available for fitment in a variety of big block applications. Additional product details: * Computer-designed center counterweights for reducing bearing loads and improved balance * Fully stress-relieved and shot-peened * Nitrided for superior wear-resistance * Rod and main bearing journal surfaces are micro-polished * Double keyways for dampers

Not Yet Reviewed

$1,599.99

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$1,659.99

Callies Ultra Billet Crankshafts

Callies Ultra billet crankshafts are intended for use in cutting edge applications where durability and innovation are a must. They are machined from premium grade (Para-Pure) Timken alloy steel formulated to create a level of toughness that is unmatched in the crankshaft industry. Each Ultra billet crankshaft is uniquely machined with Callies' Ultra-Shed counterweight profiles. The Ultra-Shed leading edge profile gently moves oil away from the oncoming counterweight while the directional trailing edge directs oil away from the oncoming rod journal. Callies' Aero-Shed super finish will give you a crankshaft that is totally stress-riser free and incredibly aero efficient. When these processes are combined, the result is a crankshaft with the lowest coefficient of drag in the industry. Callies has developed a wide range of part numbers for a variety of popular engines. Choose the Ultra billet crankshaft created for your engine.

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$5,065.00

Dart 2JZ Billet Crankshafts

Dart 2JZ billet crankshafts upgrade your Toyota's engine performance with 4340 billet crankshafts, meticulously crafted for precision and endurance. Available in 86mm and 90mm strokes, their fully counterweighted construction, minimizes vibrations and enhances balance, as their one-piece rear seal design simplifies assembly and fortifies the engine's structure. With 8-bolt flanges ensuring stability under stress, Dart 2JZ crankshafts offer durability for high-performance applications. The highly polished journals reduce friction, promoting smoother operation, while the precision machined radius guarantees consistent performance. Dart Machinery's commitment to quality shines through in every detail, making these crankshafts the ideal choice for those seeking unparalleled reliability and efficiency in the Toyota 2JZ engine platform. Choose the crankshaft you prefer for your Toyota 2JZ build.

Not Yet Reviewed

$4,766.38

Manley Pro Series Crankshafts

Manley Pro Series crankshafts can make your short block bulletproof. They feature forged 4340 construction and undergo a multi-step heat-treatment process and are then nitrided for added strength. The crankshafts are stress-relieved, shot-peened, and magnafluxed. Manley Pro Series crankshafts have micro-polished large .125 in. radius journals, gun-drilled mains, and lightened rod journals for weight reduction. The counterweights are fully profiled and they are designed for internal balancing.

4.91 out of 5 stars ( 11 )

$1,832.93

Callies Compstar Sport Series Crankshafts

Callies Compstar Sport Series crankshafts are intended for high-rpm, high-output engines. They are finished with the same care and detail as the entire line of Compstar crankshafts, including Callies' stringent quality control final check. All Sport Series crankshafts by Compstar are balanced and ready for assembly, and they feature the best metallurgy and heat treatment on the market today. Choose the ideal crankshaft designed for your vehicle's engine.

Not Yet Reviewed

$1,506.00

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$4,612.00

Manley Pro Series Turbo Tuff Crankshafts

Manley Pro Series Turbo Tuff crankshafts are fully machined billet components for high-horsepower and high-boosted sport compact applications. Crafted from 4340 billet steel, Turbo Tuff crankshafts go through a multi-step heat treatment process and are nitrided for added strength. They are stress-relived, shot-peened, and 100 percent magnafluxed, and they feature fully profiled counterweights.

Not Yet Reviewed

$900.75

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$2,091.05

Scat Series 9000 Cast Pro Comp Stroker Lightweight Crankshafts

Do you want to increase cubic inches? Scat Series 9000 cast Pro Comp stroker lightweight crankshafts are the perfect solution for your mild or moderate street or race engine. These lightweight crankshafts are patterned after Scat's custom billets and are built from their exclusive space-age 9000 material. Features like Aero-wing counterweights, straight shot oil holes, and lightening holes in all rod throws (except for the 3.480 stroke) offer reduced windage and the ability to increase your horsepower. Scat cranks are precision-ground and micro-polished for a beautiful finish and a perfect fit. Stroke your engine with lightweight, state-of-the-art components from skilled craftsmen--Scat series 9000 cast Pro Comp crankshafts.

4.18 out of 5 stars ( 61 )

$298.99

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$716.99

Callies Apex Crankshafts

Utilizing the latest in computer aided solid modeling and CNC machining centers, Callies offers the best designed, highest quality crankshafts, connecting rods, and camshaft inventory available on the market today. Callies understands not everyone has the need or budget for a Magnum or billet crankshaft, but still may want a product with more to offer than their Compstar line. Callies went to work for a solution, which culminated in the creation of their Apex Series of crankshafts. The Apex crankshafts are made on the same forgings that Callies uses to make their Magnum Series but are machined by the supplier that makes the Compstar line. Like Compstar, the Apex crankshafts are finish sized and fully inspected in-house. This results in the best bang-for-your-buck crankshaft on the market. Callies takes pride in staying ahead of the competition with the latest high tech design and manufacturing advantages of their products. Callies Apex LS/LT standard features include: * Made on Callies proprietary Magnum forging * Ultra-pure, premium 4340 material machined by Callies vetted and reliable Compstar supplier * Machined by Callies vetted and reliable Compstar supplier * Nitrided for optimal hardness and wear resistance * Every crankshaft is finished and inspected in-house at Callies Limited stroke and pin size combinations * Limited stroke and pin size combinations

Not Yet Reviewed

$1,944.00

Peterson Fluid Systems Drive Pulley Guide Washers

Peterson Fluid Systems step washers and guide washers can help separate pulleys in your drive stack and keep the belts where they belong. Machined from durable billet aluminum, these washers are lightweight and strong.

Not Yet Reviewed

$28.79

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$34.79

Scat Forged Pro Series Big Block Post Crankshafts

Using only state-of-the-art equipment and advanced techniques, Scat is able to offer the automotive aftermarket World Class, race proven forged and billet crankshafts including the Pro Series big block post crankshafts. These Scat crankshafts are machined in-house using premium non-twist single plane 4340 forgings. Each Pro Series big block post crankshaft is skillfully machined, precision finished, ion-nitrided and also heat-treated for superior quality, extreme strength, and durability, and fully customized to your needs. Order the crankshaft designed for your application needs. Product features and details: * Manufactured from non-twist single plane 4340 forgings * Precision ground, heat-treated and Nitrided for superior wear-resistance * Straight shot and chamfered oil holes * Large radius on all journals * Lightening holes in all rod journals * Aero Wing counterweights * All popular engines, strokes, and rod sizes

Not Yet Reviewed

$1,034.99

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$3,071.99

Dart GEN III Fully Counterweighted Crankshafts

Dart GEN III fully counterweighted crankshafts are built for enhanced bearing load distribution, allowing them to withstand high-boost and high-rpm applications. With eight counterweights (instead of 6), crank is substantially stiffened—which reduces flexing, and thereby puts less stress on the mains. Crank comes in a 4.000 in. stroke with an LS1 or LS7 snout, and has lightening holes in the rod journals to reduce crankshaft inertia weight for faster rotation and improved engine acceleration. Your crankshaft is the backbone of your engine—so choose one that has the quality, features, and price you want: the Dart Gen III fully counterweighted crankshaft. Additional product features: * Extra-strong, 4340 billet one-piece construction * Long and short snouts available * Heavy-duty rod cheeks * Small hole through the rod pin * Rough balanced @ 1780 grams

Not Yet Reviewed

$1,999.99