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Summit Racing™ Pro LS forged steel crankshafts deliver industry-leading fit, finish, and durability at an affordable price. Order the model recommended for your year/make and engine application. Check out the long list of premium features: * 4340 forged steel * Tested to over 1,200 hp in boosted applications * Core hardened to optimum strength, then tempered to remove stresses * Nitride hardened, which results in less distortion, excellent case depth, and more fatigue life * Profiled counterweights reduce windage * Precision stroke and indexing * Lightening holes are drilled in the rod journals for quicker engine acceleration * Gun-drilled Main Journals for quicker engine acceleration * Each crank is magnetic particle tested to ensure it's free of flaws * Large radius fillets for increased strength, narrowed rod bearings for reduced friction * Straight shot oiling for maximum lubrication just prior to maximum load angle * Maximum journal tolerances of +/- .0001 in. ensure consistent bearing clearance * Micro-polished journals with chamfered oil holes for maximum durability and bearing life * Optimized counterweight placement for reduced twisting at high RPM and ease of balancing * High-quality reluctor rings are installed with precision fixturing * Extra 3/16 in. front keyway for blower cars
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$839.99
On Sale
Summit Racing™ forged crankshafts offer maximum strength and the best value for your dollar! Our crankshafts are non-twist forged from certified 4340 steel. They are put through several stages of heat-treatment, and then stress-relieved and shot-peened to provide the strength and reliability you demand for your high performance application. Each journal is micro-polished and a .125 in. radius is used for increased strength. Summit Racing™ forged crankshafts help you get the most in value and performance.
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$892.99
$757.99
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$997.99
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.
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$794.99
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$1,099.99
Whether you are building a street or race engine, your choice of crankshaft, the central component of your engine, is crucial to the peak performance of your engine. Strength and durability are important traits of a great crank, and Chevrolet Performance crankshafts are precision-engineered to be both. Chevrolet understands that crankshaft failure can be catastrophic, so their crankshafts are made to exacting specifications and tested against the forces of high performance engines. Chevrolet Performance forged steel crankshafts are forged from exceptionally strong 1053 and 4340 steel to hold up under the most demanding situations. Choose wisely--choose Chevrolet Performance crankshafts.
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$917.99
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.
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$776.99
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$899.99
Scat forged standard weight crankshafts are designed for street or race engines with substantially increased horsepower. 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. Scat forged standard weight crankshafts are available in dozens of sizes and configurations for fitment on vehicles spanning seven decades.
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$751.99
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$1,086.99
On Sale
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.
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$1,007.00
$802.00
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$974.00
Originally introduced in 1987, the latest versions of these Sportsman II heads from World Products continue to be the industry's most popular cast iron cylinder heads. Features include high-flow 200cc RightCast intake runners, Fast-Burn combustion chambers, and your choice of angled or straight spark plug locations. The ports are extra-thick with plenty of room for porting, and the heads are indexed off the chambers to ensure perfect alignment with the cylinders. Other features include universal end pads that'll accept all early and late model accessories, leak-free machined valve cover rails, and the ability to accept both perimeter and center bolt style valve covers. They are available in bare or complete assemblies with stainless steel valves, valve springs, retainers, locks, umbrella-style valve seals, screw-in studs, and pushrod guideplates.
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$948.99
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$1,048.63
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.
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$873.46
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$1,042.34
Designed to provide even greater increases than World Products' own Sportsman II heads, the Motown 220 cylinder heads rate as the ultimate small Chevy cast iron heads. Features include high-tech 64cc combustion chambers, 220cc intake runners capable of excellent flow and velocity, high-flow ports, and standard 2.055 in. diameter intake valves. They're ideal for large-displacement small blocks (383 or larger), and are available in bare or complete assemblies with valves, retainers, screw-in studs, guideplates, and your choice of 1.440 in. or 1.550 in. valve springs.
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$948.99
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$1,048.63
Eagle Street and Strip rotating assemblies consist of name-brand quality components for a wide range of engines at an affordable price. These kits feature a crankshaft, pistons, piston rings, rod and main bearings, and connecting rods. Based on your application, balanced assemblies are also available. Order the model designed for fitment on your year/make vehicle and engine application.
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$1,039.99
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$1,124.99
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.
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$854.99
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$894.99
Eagle street performance rotating assemblies offer the perfect balance of strength, performance, reliability, and affordability. They include a cast steel crankshaft, Eagle "SIR" I-beam connecting rods, Silv-O-Lite claimer pistons, Perfect Circle rings, and Performance Street bearings. The kits are only available balanced. Eagle street performance rotating assemblies are the perfect choice for engines up to 500 hp. Order the model designed for your year, make, and engine application.
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$996.99
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$1,064.99
Scat Excalibur crankshafts are precision-ground, heat-treated, and nitride-hardened for superior wear resistance. They are crafted from lightweight 4340 non-twist forgings. Features include: * Lightweight, weighing 48 to 50 lbs. depending on crank selected * Rough-balanced to 1,800 grams +/- 2 percent * Have bull nose counterweights for improved windage * Scoop main oil holes * Straight shot and chamfered oil holes * Lightening holes in all rod journals * Large radius on all journals * Available in a choice of rear main seal styles, stroke, and rod length
Not Yet Reviewed
$874.99
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$987.99
When you need lighter-than-standard-weight crankshafts, check out Compstar mid-weight crankshafts from Callies. These cranks are deep nitride hardened and feature drilled rod journals and profiled counterweights for piston clearance. They have a consistent grind and polish, as well as a precise stroke and index. Better by design, Callies Compstar mid-weight crankshafts offer you competitive pricing without compromising quality.
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$974.00
World Products Windsor Jr. heads feature 180cc intake runners that combine high velocity and superior flow to produce excellent torque and throttle response in stock to mildly modified 5.0L engines. The 58cc combustion chambers are sized for true bolt-on compatibility, and have been "tweaked" to optimize efficiency. Windsor Jr. cast iron cylinder heads provide a very cost-effective solution to getting serious power from a Ford 5.0 motor without spending a ton of money. And when it comes to value, you can't beat the assembly packages from World. Top-grade components are used as your assurance of reliability, with World passing bulk buying advantages right through to their customers.
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$772.40
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
$1,037.99
PROMAXX Performance OE-replacement Jeep inline cylinder heads offer direct bolt-on power. Developed and designed from factory castings, these iron heads feature hardened valve seats and heavier-than-stock castings to resist cracking and warping. They replace your stock components and restore original performance. Once again, your rig will be readied to take on aggressive off-road adventures. The heads are available complete with valves and springs. Order the model recommended for your engine application.
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$937.00
World Products S/R cylinder heads make it easy to rebuild your engine affordably. They feature hardened steel exhaust seats compatible with unleaded gasoline, extra-thick decks and walls for improved reliability, tapped for screw-in rocker studs, and machined valve cover rails to eliminate leaks. The heads are available bare or assembled for a variety of applications. With the strength, reliability, and great price of these cylinder heads, there's no reason to bother with worn-out junkyard castings or new OEM castings—you can depend on World Products to help you do it right.
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$882.79
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$891.04
Bolt on a set of affordable World Products S/R Torquer heads and add some serious muscle to your small block Chevy—up to 30 horses over stock. The heads are available bare or assembled for a variety of applications. These cast iron heads feature: * Power-building 170cc intake runners * Dual-pattern raised, leak-free valve cover rails * Tapped for screw-in rocker arm studs * 2.02 in. intake/1.60 in. exhaust valves * Umbrella valve seals * 1.250 in. valve springs * 7 degree retainers and locks
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$891.04
PROMAXX Performance goes one up with their Vortec 185cc iron cylinder heads. Popular with street/strip enthusiasts and Circle Track racers, PROMAXX designed these heads to work well on 350-383 applications. They're available bare or assembled; both feature screw-in studs and large diameter spring pockets. In addition, they both accept centerbolt and perimeter bolt valve covers—and are drilled for Vortec and carbureted intake applications. Greater performance at the right price!
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$822.00
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$1,022.00
VEGE Remanufactured cylinder heads are a popular choice for performance and value. With its advanced and efficient production process, backed by more than eight decades of experience, VEGE is able to supply remanufactured cylinder heads with a level of quality that equals that of new OEM products—at extremely competitive prices. The rebuilt cylinder heads are carefully inspected, cleaned, and then fully machined and assembled with top-of-the-line components. Unless otherwise noted, the assemblies include a cast iron or aluminum cylinder head, intake and exhaust valves, valve springs, retainers, locks, stem seals, rocker arm studs, and more. Many heads include rocker arms. Nearly a thousand models are available, for fitment on countless applications.
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$759.99
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$1,106.99
These Chevrolet Performance serpentine accessory drive kits include the brackets, pulleys, and hardware that your engine needs, saving you the time of obtaining and matching them individually. You can depend on Chevrolet for the performance parts that you need.
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$999.68
These Dart Iron Eagle S/S cylinder heads are the perfect way to squeeze a little bit more performance out of your street engine. They are designed to offer many of the features of other high-end cylinder heads at a more affordable price. Dart produces these heads from premium, high-density cast iron with extra-thick decks for durability and power potential. These heads feature precision-cast 165cc intake ports and heart-shaped combustion chambers that are designed to produce great airflow without expensive or time-consuming porting. The hardened exhaust valve seats are fully compatible with unleaded fuels, and the multi-angle intake and radiused exhaust seats further improve flow, maximizing power. Dart utilizes screw-in rocker studs that won't pull out, even under heavy use, and the machined valve cover rails eliminate possible oil leaks. All you have to do is choose which combination of combustion chamber volume and valve size will best complement your engine, and whether you want fully assembled, bolt-on heads or bare, ready-to-build castings. Dart Iron Eagle S/S cylinder heads produce great throttle response and gains in low-to-midrange torque, just where you need it, for your street hot rod, musclecar, or pickup.
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$976.58
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