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Engines & Components

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Summit Racing™ Cast Iron Cylinder Heads for Small Chevy

Think you have to scour the local bone yards to find a decent set of GM's old double hump or fuelie cylinder head castings? Not true. In fact, we've brought back classic Chevy performance in a big way with these ready-to-run heads for small block Chevy. Our versions of the popular GM cylinder heads offer great performance for less than it would cost to rebuild an old set of double hump castings.

4.82 out of 5 stars ( 125 )

$649.99

Summit Racing™ Vortec Cylinder Heads

Are you looking for a good set of heads to up the performance factor of your Vortec engine? Our Summit Racing™ Vortec cylinder heads have what it takes to get the job done. Featuring wide-open intake runners, efficient combustion chambers, and a high-performance valve job, these heads deliver all of the power-building airflow you need. Made from superior iron alloy, these heads will deliver improved performance on your build.

4.57 out of 5 stars ( 74 )

$649.99

PROMAXX Performance GM 6.5 Diesel Cylinder Heads

PROMAXX Performance designed and developed these cylinder heads from the GM 6.5 diesel casting. They are cast iron direct bolt-on replacements for your 6.5L diesel engine. The assembled heads have straight intake bolt holes in the cylinder head, and will typically use a one-piece intake manifold. Order the model recommended for your Chevy or GMC truck.

4.83 out of 5 stars ( 6 )

$538.00

Ford Performance Parts 5.0 Coyote Mustang Forged Crankshafts

Serious power needs serious strength, so Ford Performance Parts offers these 5.0 Coyote Mustang forged crankshafts for 5.0L Coyote engines. These cranks are designed to be absolutely tough to take the abuse that racing can inflict. They are constructed from forged 4130 steel and are precision-machined and balanced to ensure that they are they ready to go in your track or hardcore street car! Whether you are planning on dominating the strip, street, or road course, these Ford Performance Parts 5.0 Coyote Mustang forged crankshafts are ready for the challenge.

Not Yet Reviewed

$584.99

Scat Cast Crankshafts

These Scat cast crankshafts are perfect for mildly built street engines or just to replace stock crankshafts that have seen better days. These Scat crankshafts are precision-ground and micro-polished to exacting tolerances.

4.58 out of 5 stars ( 73 )

$525.99

$675.99

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 )

$739.99

$776.99

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.

4.44 out of 5 stars ( 186 )

$516.99

$706.99

On Sale

Summit Racing™ Forged Crankshafts

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.

4.0 out of 5 stars ( 9 )

$766.99


$699.99

$766.99

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.

4.21 out of 5 stars ( 56 )

$634.99

$659.99

Scat Forged Standard Weight Crankshafts

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.

4.42 out of 5 stars ( 24 )

$737.99

$792.99

Chevrolet Performance Cast Nodular Iron Crankshafts

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. GM 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 cast nodular iron crankshafts are economical aftermarket pieces with improved ductility and tensile strength for mild performance applications. Choose wisely--choose Chevrolet Performance crankshafts.

Not Yet Reviewed

$643.32

$725.99

VEGE Remanufactured Cylinder Heads

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.

3.82 out of 5 stars ( 38 )

$503.99

$1,099.99

World Products S/R Cylinder Heads

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.

4.67 out of 5 stars ( 3 )

$644.88

$891.04

Scat Series 9000 Cast Lightweight Stroker Crankshafts

Crafted from the same high-quality, space-age material as their 9000 Series stock replacements, these Scat Series 9000 cast lightweight stroker crankshafts are modified to be lighter. They are engineered with straight oil shot holes, precision-ground micropolished journals, and lightening holes in all throw rods to reduce mass. Their Aero-wing counterweights increase efficiency by decreasing windage, thus optimizing the design for horsepower.

Not Yet Reviewed

$602.99

World Products Sportsman II Heads

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.

5.0 out of 5 stars ( 4 )

$731.49

World Products Windsor Jr Cylinder Heads

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.

4.29 out of 5 stars ( 7 )

$772.40

World Products S/R Torquer Cylinder Heads

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

3.0 out of 5 stars ( 2 )

$652.16

$891.04

Chevrolet Performance Forged Steel Crankshafts

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.

5.0 out of 5 stars ( 3 )

$733.99

$744.99

Mopar Performance W2 Cast Iron Race Cylinder Heads

These famous Mopar Performance W2 cast iron race cylinder heads feature increased wall thickness on the exhaust flange and large heavy-duty ribs added to each end of the head for increased stiffness. They also feature a 47cc open combustion chamber with revised intake port cores, flat machined rocker pads that require rocker stands, and longer valves for higher-lift camshafts.

Not Yet Reviewed

$626.99

$681.99

Dinan BMW Engine Covers

Dinan BMW engine covers adds aesthetic charm to your humble engine bay. The massive, detail laden, UV coated 2 x 2 carbon fiber lid inhabits the same footprint as its factory counterpart but flairs outward at its sides to inhibit the view of some of the unsightly stainless steel hardware underneath. With the goal of having the engine bay as clutter free as possible, Dinan engine covers are devoid of distracting mounting hardware. Instead, powerful rare earth magnets are utilized, resulting in not only an incredibly clean installation, but also one that takes no time or effort to mount. As a bonus, already straightforward filter changes are made even easier and expeditiously. Give your underhood visuals an upgrade with the bold statement of Dinan carbon fiber engine covers.

Not Yet Reviewed

$549.95

$799.95

Low Range Off-Road Jimny Rear Bumpers

Complementing your Jimny front bumper should be Low Range Off-Road's Jimny rear bumper, offering the next level in aesthetics and performance. Thoughtfully designed to absorb impact, and protect your vehicle from damage both on and off the trail, these rear bumpers are made from 3/16 in. laser-cut steel. Featuring bolt-on installation, they require no welding and include a 2 in. receiver (not rated for towing) and taillights. LROR's Jimny rear bumpers are available in bare steel or with a durable black powdercoat finish. Choose your favorite.

Not Yet Reviewed

$631.35

Holley High-Mount Base Accessory Drive Kits

Holley's high-mount base accessory drive kits have everything pulled up and in tighter than other options. The patent-pending accessory drive incorporates the timing cover, water pump, and alternator and can also be configured with A/C and/or P/S if desired. The systems are designed to work with the factory crank pulley, as well as aftermarket damper and pulleys. Accessory drive components in the system can be configured in several different ways. For example, there are alternator options offered for different performance and electrical demands. Also, deleting the A/C and/or P/S are options. These "base kits" supply all but the components with options. If you purchase a "Holley complete kit," all these options are already chosen for the most common, cost-effective combination. Features and benefits: * Fits Ford 7.3-liter Godzilla engine—ideal for engine swaps * Provides additional accessory clearance for swap applications that work with the factory rear sump oil pan * Allows for A/C and/or P/S delete and choice of alternator * Includes new front main seal and installation tool * Works with the original factory crank pulley, as well as aftermarket damper/pulleys * Alternator options do not require the original ECU control to function * P/S pump with the optional external reservoir is ideal for hydro-boost applications * Choose from natural "as-cast" or black finish on the timing cover

Not Yet Reviewed

$662.95

$693.95

Dart Iron Eagle Pro Cylinder Heads

Dart Iron Eagle Pro cylinder heads are designed for weekend warriors and hardcore racers alike. These cylinder heads feature fully CNC-machined intake and exhaust ports and an advanced combustion chamber design that promotes a rapid and efficient burn. Standard valve angles and geometry have been retained, however, to allow the user to utilize a wide variety of pistons and valvetrain products, giving you near unlimited options. Dart developed these Iron Eagle Pro cylinder heads to deliver the ultimate in consistency in engines capable of operating above 7,000 rpm. Dart offers them either assembled and ready to bolt on or bare, so you can have them built to your own specifications.

5.0 out of 5 stars ( 1 )

$590.91

Dart Iron Eagle S/S Cylinder Heads

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.

4.29 out of 5 stars ( 7 )

$590.91

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