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Engine Crankshafts

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Results 1 - 14 of 14

Chevrolet Performance Crankshaft Keys

Chevrolet Performance crankshaft keys get you aligned for performance. Keeping everything in correct relationship with your crank is important—and using parts made specifically for your vehicle by the maker is also important. Proper location means proper timing and balance, which impacts horsepower and torque. Order the crankshaft (or Woodruff) keys recommended for your vehicle and engine application.

5.0 out of 5 stars ( 5 )

$6.99

J.W. Performance Crankshaft Adapter Sleeves

J.W. Performance crankshaft adapter sleeves allow you to fit a transmission from another make into your crankshaft pilot. They're manufactured from high-quality steel and easily insert into the end of your crankshaft pilot with no modifications. These sleeves are available in different styles and sizes for specific applications (such as: adapting Ford engines to GM torque converters; or adapting Mopar Hemi Gen III engines to GM torque converters). Don't risk damaging the input shaft of your transmission—get ready for the track with J.W. Performance crankshaft adapter sleeves.

4.29 out of 5 stars ( 7 )

$52.46

$65.99

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 )

$34.68

$34.72

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

FTI Performance Crankshaft Adapter Sleeves

FTI Performance offers a wide selection of torque converter parts, including bolt kits, crank adapters, and related accessories. These crankshaft adapter sleeves will adapt GM torque converters to Ford small block or big block engines with 1.375 in. pilot. They're available for many Ford applications from the 1960s and up; and Chevy applications from the 1990s and up.

4.0 out of 5 stars ( 1 )

$29.39

On Sale

Wiseco Crankshaft Kits

Wiseco crankshaft kits contain everything you need to complete your rebuild for a job done right, the first time! These crankshafts, connecting rods, bearings, and bottom end gaskets meet or exceed OEM specifications for the maximum horsepower and torque that every rider wants. Features include: * Double forged connecting rods feature shot peening, oil slots, and coated bronze thrust washers * Bottom end gasket kits are made from premium materials, exceeding OEM standards for an exceptional seal between critical mating surfaces * High-quality main bearings provide maximum life and smooth operation at high rpm * Surface treatment prevents corrosion and pitting, while adding strength to the assembly * Bushed top end of rod retains oil and eliminates pin galling * Case-hardened bottom end rod bores optimize bearing running surface * Hot rolled steel, case-hardened crank pin bearings * Caged needle roller bearings provide the highest possible rpm

5.0 out of 5 stars ( 2 )

$267.97

$670.97

Crown Automotive Damper Keys

Crown Automotive damper keys are steel crankshaft keys, available for a variety of Jeep applications. They allow you to increase torque and horsepower with a selected operating range. Crown offers the largest line of direct-fit replacement parts for Jeeps and Mopar vehicles.

5.0 out of 5 stars ( 1 )

$1.99

$2.99

Scat Forged Pro Series Lightweight Crankshafts

Scat's Pro Series lightweight crankshafts are forged 4340 steel yet have profiled counterweights to reduce weight for increased power—and that makes them great for achieving faster rpm curve! Scat recognized that a lighter crank that maintains its strength will let the engine rev quicker and make more horsepower and torque. The less weight you're trying to turn the better—and the less weight in the car, the better. These crankshafts are precision-ground, heat-treated, shot-peened, inspected, and micro-polished for superior tolerance control. Scat crankshafts are also nitride-hardened for superior wear resistance, have straight-shot and chamfered oil holes, and feature lightening holes in all rod throws. They also have a large radius on all journals for improved strength and wear resistance.

Not Yet Reviewed

$2,286.99

$2,837.99

Callies DuraStar Crankshafts

Callies Durastar crankshafts are designed to be substantially stronger than OEM shafts currently found in GM's popular Duramax diesel. Every crankshaft is 100 percent inspected for critical dimensions, and the manufacturing equipment is constantly monitored for tolerance drift and tool degradation. Give your ride the Durastar advantage with Callies crankshafts; models are available for fitment with specific vehicle makes and engine applications. Durastar crankshaft key features: * Machined from 4340, through hardened steel * Intended to be externally balanced with stock damper and flywheel configurations * Deep DuraCase nitride treatment offers durability * Dual keyed damper fit * Conservatively rated for 800 hp @ 800 lbs.-ft. torque * Will accept OEM post and flange bolts * Machined to accept OEM flywheel/flexplates * Large True Form fillet radii in all journals * Keyed shear-proof timing gear fit * Drilled rod journals for reduced inertia and ease of balance * Stock 3.898 in. stroke with OEM journal diameters and width * All journals are polished to a 6Ra or finer finish * Main bearing oil holes are machined with lead-ins for enhanced cold start oil flow to rod journals * GM timing gears are available

Not Yet Reviewed

$1,739.00

Sierra Marine Flywheel Keys

Sierra Marine flywheel keys are intended to replace a lost or damaged key by fitting it into an existing hex bolt hole in the back of your boat motor. The main purpose of said keyways is to prevent components from slipping on and rotating independently from the shaft they are mounted on, which adds torque capacity in driven systems. These heat-treated carbon steel woodruff keys can also tolerate great strain, making rollover unlikely. Each Sierra product meets the specifications of the original equipment part it replaces.

Not Yet Reviewed

$1.99

Crower Ultra Light Forged Steel Crankshafts

These Crower Ultra Light forged steel crankshafts are precision-machined from premium 4340 NT forgings with ultra-light profiling, pendulum undercutting, center counterweight removal, four lightning holes, and radius edges. The smaller outside diameter quickens throttle response, reduces stress and wear, creates less drag in oil, and increases horsepower and torque. Crower Ultra Light forged steel crankshafts are built to order; please specify the required length and main journal size when ordering.

Not Yet Reviewed

$6,836.99

Manley Rotating Assemblies

When it comes to building horsepower and torque, you need to start at the bottom and work your way up. Manley rotating assemblies are designed for performance enthusiasts wanting to get the most out of their engines. Their assemblies feature 4340 forged steel crankshaft and H-beam connecting rods, either 7/16 in. ARP 8740 cap screws with a 750 hp rating for LS engines/900 hp for big blocks, or optional ARP 2000 cap screws for up to 1,500 hp. They use 2618 Platinum Series forged aluminum pistons, chromoly premium wrist pins, Total Seal piston rings, and Clevite "H" Series narrowed rods and "P" or "H" Series main engine bearings. Building high-horsepower performance engines takes a lot of thought and all the right parts. Start off right with Manley rotating assemblies.

5.0 out of 5 stars ( 3 )

$3,022.64

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.

4.4 out of 5 stars ( 53 )

$796.99

$852.99

Eagle Cast Steel Crankshafts

Eagle cast steel crankshafts are the most dependable option when you don't want to break the bank. Each crank is inspected for dimension, size, and stroke accuracy. For improved efficiency and reliability, they have a journal finish of 6 R.A. or less and a target bob weight of +/- 2 percent for easy balancing. The crankshaft is the heart of your engine, so demand the best—order the Eagle Specialty model and performance options recommended for your vehicle year, make, and engine application.

4.43 out of 5 stars ( 190 )

$306.99

$392.99

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