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CHEVROLET Dart Engines & Components
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Dart Big M Sportsman Big Block Chevy Cast Iron Bare Blocks
The foundation for a better big block build begins with Dart Big M Sportsman Big Block Chevy cast iron bare blocks. Dart engineered the Big M to be the strongest, most reliable, and easiest to build big blocks on the market. The Dart Big M Sportsman blocks feature: * Standard 9.800 in. and tall 10.200 in. deck heights available for Stroker engines * Standard 4.250 in., 4.500 in., or 4.600 in. bore sizes with Siamesed extra thick cylinder walls to resist cracking and improve ring seal (minimum .300 in. thick with 4.625 in. bore) * Uses +.300 in. tall Gen VI style lifters. Modifications for Gen IV style are also available * Scalloped outer water jacket walls improve coolant flow around the cylinder barrels to equalize temperatures * 4-bolt ductile iron main caps have splayed outer bolts for extra strength * True priority main oil system lubricates the main bearings before the lifters * Oil filter pad is drilled and tapped for an external oil pump * Lifter valley head stud bosses prevent blown head gaskets * Rear main cap uses standard oil pump and two-piece seal, no adapter required * Mechanical fuel pump boss, clutch linkage mounts, and side and front motor mounts simplify installation in chassis * Dual oil pan bolt patterns fit standard and notched oil pans * Coated cam bearings, freeze plugs and dowels not included * Small bore 396 version available
( 1 )
$3,599.99
Dart Cylinder Head Studs
When installing a new set of Dart heads, it's important to have the correct head stud for the job. That's why Dart offers these quality cylinder head studs specifically designed for use with their heads, ensuring a secure and trouble-free installation.
( 8 )
$127.37
Dart Cam Bearings
If you're building up a Dart block and want the best bearings with the correct sizing, then you'll want Dart cam bearings. They're fully grooved, made from steel-backed babbit, and specifically designed for high performance use. To all of this, Dart adds their own moly-PTFE coating for even better performance and durability. This coating is approximately 0.0005 in. thick, which translates into 0.001 in. less overall clearance.
( 34 )
$19.50
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$147.43
Dart Pushrod Guideplates
Dart pushrod guideplates are necessary in high-rpm motors. They keep your pushrods in line with your lifter cups and rocker arms and prevent deflecting or walking sideways. These guideplates are hardened to keep them from wearing prematurely.
( 29 )
$3.99
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$37.99
Dart Adjustable Pushrod Guideplates
These Dart adjustable pushrod guideplates are designed to give you the extra flexibility in alignment that you need for cylinder heads with different spacing. They are manufactured from durable steel and install easily with no modifications.
( 18 )
$10.18
Dart Rocker Arm Studs
Dart Pro series rocker arm studs are ideal for competition applications. They are made from 8470 chromoly steel and are heat-treated to 200,000 psi tensile strength. These studs are concentric within .005 T.I.R. thread pitch to thread pitch, which will give you more consistent rocker geometry. With an extra-large radius base, these studs are more resistant to flex and will provide a more positive seating.
( 27 )
$2.99
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$29.04
Dart Stud Girdles
Dart stud girdles can help to improve the performance and reliability of engines equipped with stud-mounted rocker arms. Extra-long adjusting nuts are tightly clamped between rigid aluminum bars that prevent stud deflection under high loads. The valve motion more closely follows cam profile, producing more power and reducing breakage. Unlike universal girdles, these valvetrain stabilizers are designed to fit the specific valve locations, valve angles, and valve lengths in Dart cylinder heads. These kits include hardened poly-lock adjusting nuts.
( 6 )
$287.99
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$288.14
Dart Severe-Duty Stainless Steel Valves
Dart severe-duty stainless steel valves are designed to withstand the pressures of high-lift roller cams and feature a head design that promotes high flow. They are constructed of high-strength stainless steel that is backcut just enough for flow, without sacrificing strength. They feature swirl-polished heads with hard chrome stems.
( 14 )
$18.99
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$146.99
Dart Valve Guides
Dart valve guides are made of manganese-bronze material for the ultimate in wear. These intake and exhaust valve components are built to offer optimum performance in extreme racing applications. The guides are OE-style replacements for use in Dart cylinder heads, such as Iron Eagle, Big Chief, Pro 1, and Pro 1 Platinum. Choose the size dimensions to service your specific engine.
( 7 )
$12.99
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$13.99
Dart SHP Special High Performance Cylinder Heads
Dart SHP Special High Performance cylinder heads provide an affordable option for those who desire the weight savings of aluminum heads for a performance street engine. These units are manufactured from A356-T6 aluminum and are designed to work with most off-the-shelf components. SHP heads are available with your choice of 64cc or 72cc combustion chambers—and come in both 180cc and 200cc intake runner ports that are precision-cast to offer excellent flow and power without the need for CNC-machined porting. They feature optimized chambers for increased combustion efficiency, as well as multi-angle intake seats. The cylinder heads' radiused exhaust seats dramatically increase their performance, and the manganese bronze valve guides increase their life.
( 11 )
$599.99
Dart Block Sleeves
Dart block sleeves are durable and reliable! Dart replacement sleeves are the same premium sleeves as those used in their race series blocks. Fit your aluminum blocks with the strength of Dart cast iron block sleeves.
Not Yet Reviewed
$156.99
Dart Timing Cover Dowel Pins
Make timing cover installation easy with Dart timing cover dowel pins. They are made from high-strength steel and install in the engine block where the timing cover mounting pad is. The pins are designed to fit Dart Little M and Sportsman series engine blocks.
( 4 )
$1.99
Dart Camshaft Retainer Plates
Hold your cam in place using one of these Dart camshaft retainer plates. They're machined from quality materials and include mounting hardware for a secure installation. For decades, the mechanical masterminds at Dart have produced top-of-the-line components for engine builders and winning race teams. These camshaft retainer plates are another example of their CNC-machined excellence and attention to every detail of your vehicle.
( 5 )
$21.99
Dart Chrome Valve Covers
Dart chrome valve covers help you top off your engine in style. They feature an extra-tall design to clear roller rocker arms and stud girdles, plus they are made with thick gauge steel for stronger gasket rails to prevent oil leaks. Last but not least, the covers have the well-known Dart logo, to show your competition that you mean business.
( 9 )
$90.86
Dart Bellhousing Dowel Pins
Properly align your transmission and block with Dart bellhousing dowel pins. These premium dowel pins will help to keep the alignment correct for a clean clutch release, reduced shifter problems, and maximum pilot bearing and transmission life.
( 9 )
$3.99
Dart Freeze Plugs
Durable steel freeze plugs from Dart work like expansion plugs. As we all know, water expands when it turns to ice, and if the coolant in your vehicle doesn't have enough antifreeze protection, it can freeze and then crack the engine block. Dart freeze plugs are designed to pop out under such conditions to relieve the pressure on the block, thus protecting it against freeze damage.
( 11 )
$1.99
Dart LS Next Block Hardware Kits
Dart assembles these LS Next block hardware kits so you can easily obtain the major pieces when building your engine. These hardware kits include freeze plugs, camshaft bearings, dowels, and more. Build the engine of your dreams, from start to finish, with Dart LS Next block hardware kits.
Not Yet Reviewed
$172.99
Dart Inconel Exhaust Valves
Dart Inconel exhaust valves are your ticket to a winning combination! Designed to withstand the high temperatures and stresses common in racing applications, Inconel exhaust valves resist corrosion, oxidation, and cracking. Their Inconel alloy construction maintains its structural integrity, making Dart Inconel exhaust valves a great choice for high performance racing applications.
Not Yet Reviewed
$68.99
Dart Pro 1 Aluminum Cylinder Heads
Inspired by Dart's championship winning Pro Stock designs, Dart Pro 1 aluminum cylinder heads cover a wide range of applications from street cars and trucks to all-out racing. Heads designed for street performance and mild bracket racing offer excellent mid-range torque and power, and are excellent for heavier vehicles. Competition heads are ideal for maximum effort naturally aspirated, big boost forced induction, or nitrous applications. Dart Marine Pro 1 cylinder heads feature an exclusive chromate surface finish to inhibit corrosion and extend the life of the head. They are also fitted with Inconel exhaust valves to withstand the extended running time and temperatures typical of marine usage. Dart's as-cast ports flow more than many ported designs at a much more affordable price. But they also offer fully CNC-machined heads with every intake port, exhaust runner, valve bowl, and combustion chamber shaped by their 5-axis, computer controlled machining centers to produce compound curves and complex shapes that no human could duplicate with a hand grinder. Available bare or fully assembled, long-wearing bronze valve guides, screw-in studs, multi-angle intake seats with hardened, radiused exhaust seats are standard on most heads. Assemblies typically include stainless steel valves, premium springs, locks, retainers, guide plates, and seals. Many Pro 1 heads include race-proven features such as improved spark plug location, extra-long intake valves, raised exhaust ports, and fast burn chambers. They are offered an extensive variety of valve angles, intake port volumes and shapes, exhaust port locations, valve sizes, and chamber volumes.
( 10 )
$1,558.34
Dart Main Bolts
Maintain proper main cap alignment and tightness using these Dart main bolts. They're manufactured from quality materials and are machined to strict specifications to reduce wear and tear on your block threads.
Not Yet Reviewed
$9.99
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
Dart Cylinder Head Bolts
Dart offers cylinder head bolt kits from a leader in fastener technology. These high-quality bolt kits complement your Dart heads with maximum strength and precision thread engagement, making your build simpler. Match perfect cylinder head bolt kits to your Dart cylinder heads for a better build.
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$13.99
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.
( 7 )
$426.46
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$629.28
Dart Pro 2 Aluminum Cylinder Heads
Dart Pro 2 aluminum cylinder heads have been revised with larger 2.350 in. intake valves and a new port design for improved airflow and a substantial power increase. They're designed to make competitive engine building easier and less expensive by incorporating the rugged features of Dart's Race Series casting into ready-to-use, professional-quality cylinder heads. Every intake port, every exhaust runner, every valve bowl, and every combustion chamber is 100 percent digitally CNC-machined for the ultimate in consistency. These cylinder heads are available as bare castings or fully assembled. The fully assembled heads include stainless steel valves, valve springs, retainers, locks, and valve seals.
Not Yet Reviewed
$2,782.88
