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Designed from a clean slate approach, Dart now offers the Iron Eagle Mopar Gen III cast iron bare blocks that address the shortcomings of the Hemi Gen III platform, and are the ideal candidate for hot rodders, drag racers, circle track competitors, off-roaders, and high performance marine enthusiasts. By utilizing conventional style main caps with Gen III rotating assemblies and related components, Dart has addressed the windage and oil control problems, along with revising the cooling and oiling passages for improved flow. Non-VVT and VVT version offerings are available. Get everything you ever wanted out of your Gen III Hemi engine with the Iron Eagle Mopar Gen III cast iron bare blocks by Dart! Key features of Dart Iron Eagle Gen III Hemi cast iron engine blocks: * Manufactured from superior strength cast iron * Priority main oiling system with two lifter crossovers and restrictor provisions * Siamese cylinder bores with extra thick walls * Extra-thick decks ensure reliable head gasket seal * Blind head bolt holes available in 7/16 in. standard or 1/2 in. upgrade * Scalloped water jackets increase flow around cylinders for better cooling * Clearance for 4.050 in. stroke with steel rods * Billet steel 4-bolt main caps 1-5, center 3 main caps splayed * Main studs standard * Gen III Hemi style motor mounts * Provisions for OE stock roller lifters and cam * Uses stock timing covers * All OE bolt holes for starter, water pump, etc. * Block can be machined for VVT or non-VVT camshafts * Parts kit included (32000050 for non-VVT, or 32000051 for VVT); note parts kits do not include cam bearings
Not Yet Reviewed
$5,499.99
Dart aluminum big block V8s deliver big power in a lightweight package. And, based on the Chevrolet big block V8 design, Dart's Big M Big Block Chevy aluminum bare blocks are the strongest, most durable and easiest to build aluminum blocks available--making them a top choice for serious competition! Dart Big M Big Block Chevy Aluminum Bare Block features: *Cast from virgin 355-T61 aerospace alloy for superior strength and integrity * 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 * Ductile iron sleeves with extra thick cylinder walls promote excellent ring seal * Reinforcing ribs strengthen lifter valley bellhousing flange * Inboard valley head stud bosses improve gasket sealing * Priority main oiling system delivers oil directly to the crankshaft bearings to enhance reliability at high engine speeds * Steel 4-bolt main caps with splayed outer bolts for extra strength (ductile iron or aluminum caps are also available) * Dual oil pan bolt patterns fit standard and notched oil pans
Not Yet Reviewed
$6,999.99
Dart engineered the Big M to be the strongest, most reliable, and easiest-to-build big block on the market. Dart Big M2 Pro Series big block Chevy cast iron bare blocks are designed from the ground up as a true racing engine block which can be used with standard off the shelf big block components. The Big M2 is cast from premium high-strength iron and beefed up in all the critical areas. A competition oiling system ensures adequate lubrication to the main bearings at high RPM. With deck heights from 9.600 in. to 11.100 in., a +.600 in. raised cam location, spread oil pan rails and bore sizes up to 4.600 in., the Big M Pro gives you the versatility to build a wide variety of engine combinations.
Not Yet Reviewed
$5,099.99
What makes the Dart Race Series big block Chevy aluminum bare blocks the top choice for serious competition engines? They're based on the Chevrolet big block V8 design, but with added features and Dart's implemented advanced engineering! Key features of these Dart Race Series blocks include: * Cast from virgin 355-T61 aerospace alloy for strength * Ductile iron sleeves with extra thick cylinder walls promote excellent ring seal * Reinforcing ribs strengthen the lifter valley bellhousing flange * Inboard valley head stud bosses improve gasket sealing * Priority main oiling system delivers oil directly to the crankshaft bearings to enhance reliability at high engine speeds * Standard BBC cam journals, up to 60mm with raised cam options available * Standard .842 in. BBC lifter bores, other options available * Available with or without distributor provision * Steel 4-bolt main caps with splayed outer bolts for extra strength (light-weight aluminum caps also available) * 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
Not Yet Reviewed
$6,999.99
A strong foundation allows you to create a successful build with winning performance. With innovative design, exceptional strength, and versatility, as well as outstanding performance capabilities, Dart Machinery 2JZ Iron Eagle engine blocks are ready and able to power high performance builds for many years to come. The ideal candidate for hot rodders, drag racers, time attack competitors, drifters, and high performance street enthusiasts, Dart 2JZ Iron Eagle blocks are game-changing, affordable options, capable of achieving significant power boosts. Meticulously designed from the ground up, these 2JZ engine blocks not only overcome the limitations found in the OEM design, but also incorporate superior block material and introduce numerous performance enhancements. With features that make them a cornerstone for any high-performance setup, these iron engine blocks, including the sought-after 2JZ GTE block and aluminum 2JZ block options, are set to become the staple in serious performance circles. Choose one for your build. Iron Eagle features: * Extra-thick decks ensure reliable head gasket seal * Machined for screw-in style freeze plugs * All OE bolt holes for starter, water pump, etc. * Extra-thick outer block case for increased strength under high-horsepower levels * Blind head bolts available in 11mm (standard) or 1/2 in. upgrade * Scalloped water jacket increases flow around cylinder for better cooling
Not Yet Reviewed
$13,965.00
Dart is committed to producing the best engine components available, including the Dart Big M Mark IV big block Chevy full water cast iron bare blocks--engineered for applications where water between the bores is a requirement. Siamese bore versions are also available for larger bore applications. Features of the Dart Big M Mark IV big blocks include: * Standard 9.800 in. and tall 10.200 in. deck heights available * Standard 4.250 in. or 4.600 in. bore sizes * MRK IV blocks use the 2-piece rear seal design, while Gen V and Gen VI blocks use a 1-piece seal and a different timing cover pattern * 4-bolt main bearing caps in ductile iron have splayed outer bolts for extra strength * True priority main oiling (lubricates the main bearings before the lifters) * Mechanical fuel pump boss, clutch linkage mounts, and side and front motor mounts simplify installation in chassis * Lifter valley bosses for OE style roller lifters and retainer; (Non-Siamese blocks only)
Not Yet Reviewed
$5,099.99
Dart LS Next aluminum bare blocks are designed from a clean slate approach. They integrate the robust heritage of a traditional Chevy small block with the performance potential of the late model LS engine architecture. By utilizing conventional style main caps and oil pans with LS rotating assemblies and related components, Dart has addressed the LS engine's more noticeable shortcomings on the bottom end—while still supporting high-flow and efficient cylinder heads developed for both the Gen III and IV platforms. Dart LS Next aluminum bare blocks are a real game-changer! Highlight features of the LS Next aluminum bare blocks are: * Cast from premium aluminum alloy * One-piece rear main seal design * Conventional style 4-bolt steel main caps * Available in deck heights from 9.240 in., 9.450 in., and up to 9.800 in. * Extra-thick decks ensure reliable head gasket seal * Blind head holes available in 7/16 in. or 1/2 in. * Scalloped water jackets increase flow around cylinders for better cooling * Clearance for 4.100 in. stroke with steel rods * Must be clearanced for fully counterweighted crankshafts * Splayed outer bolts on middle main bearing caps * Provisions for OE stock roller lifters and cam * Uses stock timing covers and stock rear cover * All OE holes for starter water pump, etc. * Skirted and non-skirted design available * Driver or passenger side starter mounts (not available on skirted version)
Not Yet Reviewed
$7,249.99
Dart Iron Eagle small block Chevy cast iron bare blocks are designed to meet the needs of hot rodders, stock car racers, sprint car teams, drag racers, and road racers who want a real racing block--but at an affordable price. These versatile Dart blocks are a great starting point for big cubic inch small block projects--you can even build a 455 c.i.d. small block! Iron Eagle Small Block Chevy cast iron bare blocks feature: * Standard 9.025 in. and tall deck 9.325 in. versions allow for greater versatility * Raised camshaft .391 in. (4.912 in. camshaft to crankshaft centerlines) provides more clearance for stroker cranks and eliminates need for fragile small base circle cams (option for .434 raised cam also available) * Relocated oil pan rails are spread .400 in. per side (.800 in. wider than stock) to increase crank/rod clearance and reduce windage losses * Oil pan bolt holes are relocated in line with main caps to eliminate interference with rotating assembly * Dual starter mounts allow starter to be mounted on either side of block for chassis and oil pan clearance * Front and rear external oil inlets, crossover and restrictor provisions provided to simplify plumbing with external pump
Not Yet Reviewed
$5,499.99
Dart puts Ford racers in front with their Race Series small block Ford aluminum bare blocks designed just for Fords! The highlights and features of Race Series blocks include: * Cast 355-T6 aerospace alloy blocks for superior strength and integrity * Siamesed cylinders with standard 4.00 in. or 4.125 in. cylinder bores, which can be safely bored to 4.165 in. diameters * Ductile iron sleeves and extra-thick walls prevent cracking and produce excellent ring seal * Scalloped water jackets increase coolant flow around cylinder barrels to prevent detonations, extend engine life, and produce consistent cylinder temperatures * Four deck heights are available * Steel 4-bolt main bearing caps are standard. Three center caps have splayed outer bolts for maximum strength; rear cap uses standard one-piece seal * Two main bearing diameters of 2.249 in. or 2.749 in. allow choice of small or large journal crankshaft * Stock components make Dart blocks a direct replacement for most production small blocks. * Provisions for stock motor mounts, accessory drives, smog pumps, starter brackets, oil pans, and pumps * Upgraded oiling system has a complete stock-type system, plus a low-restriction priority main oiling with front and rear external oil pump feeds * Dual crossovers allow oil flow to be metered with restrictors for roller lifter cams and/or roller rocker arms to reduce oil flow and windage * Reinforced head bolt bosses are blind-tapped to prevent leaks and produce accurate torque readings * Extra-thick decks prevent head gaskets leaks * Standard camshafts and camshaft drives can be used * Precision CNC machining ensures consistently high quality and eliminates expensive "blueprinting"
Not Yet Reviewed
$6,999.99
With displacements up to 455 cubic inches, the Race Series small block Chevy aluminum bare blocks are an ideal starting point for any project that involves sprint cars, modifieds, late model stock, dragsters and unlimited competition classes. Incorporated features include: * Standard 9.025 in., tall deck 9.325 in. and 9.500 in. versions allow for greater versatility. * Raised camshaft .391 in. (4.912 in. camshaft to crankshaft centerlines) provides more clearance for stroker cranks and eliminates need for fragile small base circle cams. Option for .434 raised cam also available * Relocated oil pan rails are spread .400 in. per side (.800 in. wider than stock) to increase crank/rod clearance and reduce windage losses * Siamesed cylinders: Standard 4.000 in. or 4.125 in. cylinder can be safely bored to 4.185 in. (ductile iron sleeves and extr-thick walls prevent cracking and produce excellent ring seal * Oil pan bolt holes are relocated in line with main caps to eliminate interference with rotating assembly * Main bearing bores are available for 350 (2.45 in.) and 400 (2.65 in.) bearings allow engine builders to maximize crankshaft strength and minimize friction * 4 bolt billet steel main caps have splayed outer bolts minimize bearing bore distortion * Big block camshaft bearings allow use of cams with larger base circle diameter to improve strength and resist twisting with cam driven pumps * Dual starter mounts allow starter to be mounted on either side of block for chassis and oil pan clearance * Front and rear external oil inlets, crossover and restrictor provisions to simplify plumbing with external pump * Scalloped outer water jacket walls improve coolant flow around the cylinder barrels to equalize temperatures * Coated cam bearings, freeze plugs and dowels are included
Not Yet Reviewed
$6,999.99
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$7,949.99
Dart's LS Next2 cast iron bare engine block can elevate your LS Next platform with 9.240/9.450 deck heights, 4.000/4.125 bores, and billet steel main caps. Unleash unmatched strength with 1/2 in. main studs and compatibility for 8CW crankshafts and 1/2 in. head studs. Blocks come machined to accept fully counterweighted crankshafts. Additional details and specs: * Larger 4-bolt billet steel main caps * Priority main oiling system with two lifter crossovers and restrictor provisions * Siamesed cylinder bores with extra thick walls * Cylinder barrels extended .375 in. at the bottom * Extra thick decks ensure reliable head gasket seal * Blind 1/2' head bolt holes * Scalloped water jackets increase flow around cylinders for better cooling * Clearance for 4.100 in. stroke with steel rods * Clearanced for center counterweighted crankshafts * 1/2 in. main studs, with 4 splayed outer bolts on middle main bearing caps * LS style motor mounts * Provisions for OE stock roller lifter and cam * Uses stock timing covers and stock rear cover * All OE bolt holes for starter, water pump, etc. * Driver or passenger side starter mounts * Camshaft location: Standard * Freeze plug type: Brass press-in * Camshaft lifter bore: 0.842 IN * Main bearing type: Chevrolet LS * Main cap type: 4-bolt * Rear main seal type: LS * Engine type: ICE
Not Yet Reviewed
$6,505.39
Start your power build with Dart small block Chevy 372 c.i.d. short block engine. Built on Dart's powerful Special High Performance blocks, these SHP combinations are assembled and dyno-tested by in-house engine builders--the same guys building Pro Stock engines! These guys pack Chevy 9.025 in. deck blocks with high-quality cast steel crankshafts, forged 4340 I-beam rods, hypereutectic pistons with full floating pins, and coated cam bearings for packaged horsepower that's affordable. Don't start your build with a factory core--begin with the economical, time-saving, hassle-free performance of Dart small block Chevy 372 c.i.d. short block engines.
( 2 )
$6,822.99
How do you put together reliable horsepower? Let Dart get you started with small block Chevy 400 c.i.d. short block engines. They begin your performance power build with their precision-machined SHP blocks plumbed with priority main oiling--something not found on stock blocks--and fill them with balanced high performance rotating assemblies. Dart packs your Chevy 9.025 in. deck SHP blocks with high-quality cast steel crankshafts, forged 4340 I-beam rods, hypereutectic pistons with full floating pins, and coated cam bearings for packaged horsepower that's affordable! For a simpler way to a successful build that saves you time and money, start with Dart small block Chevy 400 c.i.d. short block engines.
Not Yet Reviewed
$7,091.46
Dart small block Chevy 427 c.i.d. engines are professionally-built short blocks with brand new premium components—ideal for Street performance and Sportsman racing. Simplify engine building and save time with these pre-engineered, dyno-tested short block combinations. The quality component packages are designed to allow you to build more powerful and durable engines at a very affordable cost. SPECIFICATIONS: * 427 cu. in. short block * Internally Balanced * Special High Performance Dart Block (SHP) * 4.125 in. Bore x 4.000 in. Stroke * Plate Honed Cylinders * Forged 4340 Steel Crankshaft * Forged 4340 H-Beam Rods - 7/16" ARP 2000 Bolts * Forged Flat Top Pistons w/ Full Floating Pin * MAHLE Rings * Clevite Bearings * Coated Cam Bearings * Options Available: 20cc Dished Pistons * Reduce CR by 1.2 * CR 11.4:1 with 64cc chamber and .041 in. gasket * CR 10.5:1 with 72cc chamber and .041 in. gasket * Upgrade available to Little M or SBC Race Series Aluminum blocks * Must use small base circle camshaft
Not Yet Reviewed
$8,855.90
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$9,662.99
Simplify your engine power build by starting with Dart small block Ford 347 c.i.d. short block engines. These dyno-tested short block combinations start with their precision-machined SHP Ford block. To these reliable blocks, they add quality components--a high-quality cast steel crankshaft, forged 4340 I-beam connecting rods, and forged pistons--to help you gain the performance that you want at a price that you can afford. When you want more than stock but don't know where to begin, Dart can help with their quality, high performance small block Ford 347 c.i.d. short block engines.
( 2 )
$7,621.99
When you want to build reliable horsepower without a hassle, Dart small block Ford 363 c.i.d. short block engines will provide the performance that you're looking for. Starting with their precision-machined Ford SHP block, Dart fills these short block combinations with a high-quality cast steel crankshaft, forged 4340 I-beam connecting rods, and forged pistons for a powerful performance that you can count on and afford! Save yourself time and simplify your engine building with dyno-tested Dart small block Ford 363 c.i.d. short block engines.
Not Yet Reviewed
$8,424.00
Dart Machinery's 4340 billet crankshafts for the Toyota 2JZ engine platform are engineered to handle high-boost environments and designed to take the legendary 2JZ platform to 2,000+ hp! For your added convenience, Dart 2JZ rotating assemblies are available, allowing you to pair these excellent billet crankshafts with your choice of Boostline steel or MGP aluminum rods, Diamond pistons, and Trend H13 .225W wrist pins. Piston rings are also included. Choose your preference for your Toyota 2JZ build.
Not Yet Reviewed
$6,855.99
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$7,030.00
These Big Chief cylinder heads from Dart put Pro Stock technology within the reach of every racer and engine builder. They have what it takes to win today: spread intake ports, shallow valve angles, efficient combustion chambers, raised exhaust runners, and a valvetrain that's reliable at high rpm. That's some serious performance, right out of the box!
Not Yet Reviewed
$5,320.30
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$6,171.16
The Dart Little M is designed from the ground up as a true racing engine block which can be used with standard off-the-shelf small block components. These small block Chevy bare blocks are cast from premium high-strength iron and beefed up in all the critical areas. A competition oiling system ensures adequate lubrication to the main bearings at high RPM. Front and rear external oil feed, crossover and restrictor provision simplify plumbing with external pumps. Select from various options: * Chevy 350 or 400 main journal type * Aftermarket or stock/OEM standard deck style * Standard or tall deck height * Cylinder bore dimensions
Not Yet Reviewed
$6,934.99
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