1966 CHEVROLET Crankshafts Engines & Components

Eagle Forged 4340 Steel Crankshafts

Eagle forged 4340 steel crankshafts are great for high performance applications. They feature non-twist forging, undergo a multi-stage heat-treatment process, and are stress-relieved and shot-peened. These cranks are X-rayed, magnafluxed, and sonic-tested, so you know you're getting a top-quality piece. Each crankshaft has chamfered oil holes for improved oiling, a .125 in. radius on rod and main journals for increased strength, and the journals are precision-ground and micro-polished to less than 5 R.A. A target bob weight of +/- 2 percent greatly reduces balancing time. Many options are available; order the model recommended for your year/make and engine application.

4.41 out of 5 stars ( 54 )

$1,041.99

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$1,080.99

Pioneer Shaft Keys

Pioneer shaft keys are designed to locate the crank sprocket on the nose of the crankshaft. They're made of steel and available in several lengths for compatibility with many vehicle makes and engine models from the 1940s and up. The keys can be ordered individually or in larger quantities, depending on the application.

4.2 out of 5 stars ( 64 )

$8.99

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$16.99

Callies Compstar Crankshafts

You're installing value without compromising quality with Callies Compstar crankshafts. Finished and inspected by Callies, Compstar cranks maintain proper geometry and design. Hardened with deep nitride, They're ideal for all types of abusive racing environments and available in a wide variety of strokes and journal sizes to fit most common cubic inch requirements. All rod journals are drilled and counterweights are profiled for piston clearance. Sometimes you need to race within a budget, but with Callies' consistent grind and polish, as well as their precise stroke and index, you don't need to compromise on quality. Choose Callies Compstar crankshafts--they're better by design.

4.6 out of 5 stars ( 10 )

$834.00

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$1,051.00

Allstar Performance Crankshaft Keys

Allstar Performance Crankshaft Keys will restore proper timing gear and dampener positioning. They are available for short, long, and Vortec applications. Replace worn crankshaft keys with new ones from Allstar.

5.0 out of 5 stars ( 4 )

$4.99

On Sale

Mr. Gasket Crankshaft Keys

These crankshaft keys from Mr. Gasket come in your choice of non offset style stock replacement or offset keys that allow you to advance or retard the camshaft. By using the offset keys, this enables you to increase horsepower and torque within the operating range you select.

3.86 out of 5 stars ( 14 )

$35.59

$23.13

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$35.59

Eagle Forged 4140 Steel Crankshafts

They're back! Eagle forged 4140 steel crankshafts fill the gap for more needed strength without the big price tag! Recommended for use up to 1,000 hp, these Eagle 4140 cranks will handle the performance demands of your competition engine, keep you on budget, and put a smile on your face! When you need more than a cast crank but don't want to step up to the more expensive 4340 steel model, Eagle forged 4140 steel crankshafts offer a lot of what you need for less dollars.

3.67 out of 5 stars ( 3 )

$940.99

Callies Magnum Crankshafts

Race smart with Magnum durable competition crankshafts from Callies. Manufactured from ultra-pure AISI 4340 steel, these cranks are subjected to multiple heat treatments, giving them unsurpassed wear and strength characteristics. With their gundrilled mains and fully profiled counterweights, you may choose from an available selection for a variety of engine types. You just can't beat the proven reliability and value of Callies Magnum crankshafts.

5.0 out of 5 stars ( 2 )

$3,158.00

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$3,723.00

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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$1,670.99

Eagle Lightweight 4340 Crankshafts

Eagle Specialty Products lightweight 4340 crankshafts offer strength, durability, and lighter weight at competitive prices. These non-twist forged crankshafts pass through a multi-stage heat-treatment process and are magnafluxed and sonic-tested to ensure quality. Each journal is micro-polished and a radius of .125 in. is used to increase strength, as the lightening holes in every rod throw reduce weight. Eagle Specialty lightweight crankshafts bring you unsurpassed quality and weigh only 48 to 49 lbs.

4.6 out of 5 stars ( 5 )

$1,212.99

Enginetech Remanufactured Crank Kits

Enginetech offers remanufactured crank kits for a variety of Chevrolet, GMC, Saturn, Isuzu, Chrysler, Dodge, Jeep, Mitsubishi, Ford, Ram, Subaru, and Toyota engines from 1982 and up. These engine components include a crankshaft, along with the matching set of main and rod bearings needed to properly install and support it within the engine during a rebuild. Crankshafts convert the pistons' reciprocating motion into rotational motion, which powers the vehicle. These remanufactured models are available in forged steel, nodular iron, or cast iron—in a range of stroke and other options.

Not Yet Reviewed

$423.99

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$431.99