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Dart Machinery
Since 1981, Dart Machinery has become the acknowledged leader in producing race-winning components.

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Items 1-12 of 43
10° Valve Locks
Valve locks and retainers hold the retainer in place by using the force of the valve spring to hold the retainer and lock in place, not by the tang locking into the groove on the valve stem. In...More Details »
Aluminum Engine Blocks - BB Chevy
Not only do high performance aluminum engine blocks reduce weight, they feature extra strengthening in critical areas, increased displacement capacity, true priority main oiling and precision CNC...More Details »
Aluminum Engine Blocks - Honda
Not only do high performance aluminum engine blocks reduce weight, they feature extra strengthening in critical areas, increased displacement capacity, true priority main oiling and precision CNC...More Details »
Aluminum Valve Covers - BB Chevy
Choosing the right valve covers from PitStopUSA.com huge selection not only provides a reliable seal but make your engine look great when you lift the hood of your race car or street machine....More Details »
Aluminum Valve Covers - SB Chevy
Choosing the right valve covers from PitStopUSA.com huge selection not only provides a reliable seal but make your engine look great when you lift the hood of your race car. Whether you want to...More Details »
Assembly Lube
Assembly Lube is favored by professional mechanics for assembling many internal mechanical components including wrist pins, pistons, bushings, plain bearings, ball bearings, roller bearings,...More Details »
Cam Bearings - BB Chevy
High performance cam bearings are available at PitStopUSA.com in a variety of styles and applications. Cam bearings combine the strength of a copper-lead alloy layer with steel backing and an...More Details »
Cam Bearings - SB Chevy
High performance cam bearings are available at PitStopUSA.com in a variety of styles and applications. Cam bearings combine the strength of a copper-lead alloy layer with steel backing and an...More Details »
Cam Bearings - SB Ford
High performance cam bearings are available at PitStopUSA.com in a variety of styles and applications. Cam bearings combine the strength of a copper-lead alloy layer with steel backing and an...More Details »
Carburetor Adapters
Whether you want to run a Holley 4150 on a 4500 Dominator Manifold, turn your carb sideways, or mount a two barrel on a four barrel manifold, PitStopUSA.com has a huge selection of carburetor adapters to choose from.
Cast Iron Cylinder Heads - BB Chevy
High performance cast iron cylinder heads are a vast improvement over factory castings at a highly affordable price. PitStopUSA.com offers cast iron cylinder heads that produce great throttle...More Details »
Cast Iron Engine Blocks - BB Chevy
Cast Iron Engine Blocks from PitStopUSA.com are engineered to be strong, reliable, easy to build and affordable.
Items 1-12 of 43

Dart Machinery Products

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Items 1-25 of 210
Description: Stainless Steel Exhaust Valve, 1.880" Diameter, .344" Stem, Chevrolet
Item #: DRT21311880
Condition: New
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Price: $14.02
Sale: $13.32
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Description: Exhaust Valve
Item #: DRT21311600
Condition: New
Limited Supply: Only 0 Left!
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Ships from Michigan.
Price: $14.02
Sale: $13.32
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Description: Stainless Steel Exhaust Valve, 1.600" Diameter, .341" Stem, 5.010" Length, Chevrolet
Item #: DRT21321600
Condition: New
Limited Supply: Only 1 Left!
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Price: $14.02
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Description: Small Block Chevrolet Intake Valve
Item #: DRT21342250
Condition: New
Limited Supply: Only 1 Left!
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Price: $14.02
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Description: Stainless Steel Intake Valve, 2.300" Diameter, .341" Stem, 5.475" Length, Chevrolet
Item #: DRT21342300
Condition: New
Limited Supply: Only 7 Left!
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Price: $14.02
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Description: Intake Valve
Item #: DRT21312020
Condition: New
Limited Supply: Only 0 Left!
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Ships from Michigan.
Price: $14.02
Sale: $13.32
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Description: Small Block Chevrolet Intake Valve
Item #: DRT21322055
Condition: New
Limited Supply: Only 7 Left!
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Price: $14.02
Sale: $13.32
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Description: Stainless Steel Intake Valve, 2.080" Diameter, .341" Stem, 5.010" Length, Chevrolet
Item #: DRT21322080
Condition: New
Limited Supply: Only 0 Left!
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Ships from Michigan.
Price: $14.02
Sale: $13.32
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Description: Pro 1 Cylinder Head, Aluminum, Bare, 121cc Chamber, 275cc Intake Runner, Big Block Chevrolet
Item #: DRT19900070
Condition: New
Limited Supply: Only 2 Left!
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Price: $1,108.98
Sale: $1,053.53
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Description: Pro 1 Cylinder Head, Aluminum, Bare, 121cc Chamber, 275cc Intake Runner, Big Block Chevrolet
Item #: DRT19900010
Condition: New
Limited Supply: Only 2 Left!
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Price: $1,108.98
Sale: $1,053.53
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Description: Gen 7 Cylinder Head, Bare, Cast Iron, 108cc Chamber, 306cc Intake Runner, Chevrolet 8.1L
Item #: DRT15400170
Condition: New
Limited Supply: Only 4 Left!
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Price: $730.33
Sale: $693.82
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Description: Big Block Chevrolet 308cc Iron Eagle Head 119cc R/P 2.25/1.88 Bare
Item #: DRT15100010
Condition: New
Limited Supply: Only 2 Left!
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Price: $753.04
Sale: $715.39
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Description: Iron Eagle Cylinder Head, Cast Iron, Assembled, 119cc Chamber, 308cc Intake Runner, Big Block Chevrolet
Item #: DRT15100112
Condition: New
Limited Supply: Only 2 Left!
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Price: $1,024.13
Sale: $972.92
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Description: Iron Eagle Cylinder Head, Cast Iron, Assembled, 119cc Chamber, 308cc Intake Runner, Big Block Chevrolet
Item #: DRT15100111
Condition: New
Limited Supply: Only 2 Left!
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Price: $975.02
Sale: $926.27
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Description: Pro 1 Cylinder Head, Aluminum, Assembled, 121cc Chamber, 310cc Intake Runner, Big Block Chevrolet
Item #: DRT19100112
Condition: New
Limited Supply: Only 2 Left!
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Price: $1,579.90
Sale: $1,500.91
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Description: Pro 1 Cylinder Head, Aluminum, Bare, 121cc Chamber, 310cc Intake Runner, Big Block Chevrolet
Item #: DRT19100010
Condition: New
Limited Supply: Only 2 Left!
Same Day Shipping!
FREE SHIPPING! Oversized / Overweight Fees Waived On This Item! Ships from Michigan.
Price: $1,108.98
Sale: $1,053.53
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Description: Aluminum Rocker Arm Stud Girdle, 7/16" -20 Thread, Big Block Chevrolet/Kit
Item #: DRT64110001
Condition: New
Limited Supply: Only 0 Left!
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Price: $407.05
Sale: $386.69
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Description: Pro 1 Cylinder Head, Aluminum, Assembled, 121cc Chamber, 325cc Intake Runner, Big Block Chevrolet
Item #: DRT19200116
Condition: New
Limited Supply: Only 2 Left!
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Price: $1,663.18
Sale: $1,580.02
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Save: $83.16
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Description: Pro 1 Cylinder Head, Aluminum, Bare, 121cc Chamber, 325cc Intake Runner, Big Block Chevrolet
Item #: DRT19200010
Condition: New
Limited Supply: Only 2 Left!
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FREE SHIPPING! Oversized / Overweight Fees Waived On This Item! Ships from Michigan.
Price: $1,108.98
Sale: $1,053.53
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Description: Eagle Pro Cylinder Head, Bare, Cast Iron, 126cc Chamber Volume, Rectangular Port, Big Block Chevrolet
Item #: DRT15370030
Condition: New
Limited Supply: Only 2 Left!
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Price: $1,257.90
Sale: $1,195.01
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Description: Big Block Chevrolet 330cc Iron Eagle Pro CNC Head 126cc R/P 2.30/1.88
Item #: DRT15372136
Condition: New
Limited Supply: Only 2 Left!
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Price: $1,806.69
Sale: $1,716.36
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Description: Pro 1 CNC Cylinder Head, Aluminum, Bare, 119cc Chamber, 335cc Intake Runner, Big Block Chevrolet
Item #: DRT19474030
Condition: New
Limited Supply: Only 2 Left!
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Price: $1,777.44
Sale: $1,688.57
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Description: Pro 1 Cylinder Head, Aluminum, Assembled, 121cc Chamber, 335cc Intake Runner, Big Block Chevrolet
Item #: DRT19474136
Condition: New
Limited Supply: Only 2 Left!
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FREE SHIPPING! Oversized / Overweight Fees Waived On This Item! Ships from Michigan.
Price: $2,324.92
Sale: $2,208.68
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Description: Big Block Chevrolet 345cc Iron Eagle Head 119cc R/P 2.30/1.88 Assembly
Item #: DRT15200136
Condition: New
Limited Supply: Only 2 Left!
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FREE SHIPPING! Oversized / Overweight Fees Waived On This Item! Ships from Michigan.
Price: $1,301.82
Sale: $1,236.73
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Save: $65.09
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Description: Iron Eagle Cylinder Head, Bare, 119cc Chamber, 345cc Intake Runner, Big Block Chevrolet
Item #: DRT15200030
Condition: New
Limited Supply: Only 2 Left!
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FREE SHIPPING! Oversized / Overweight Fees Waived On This Item! Ships from Michigan.
Price: $753.04
Sale: $715.39
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Items 1-25 of 210

More About Dart Machinery

Pit Stop USA is The Online Motorsports Superstore! Since 1981, Dart Machinery has become the acknowledged leader in producing race-winning components. Dart Machinery aluminum and cast-iron engine blocks are designed to meet the specialized needs of racers and performance enthusiasts. Dart components are developed in-house, manufactured on Dartas own CNC machining centers, and tested on Dartas computer-controlled engine dyno. Dart starts with the best materials like 355-T6 aluminum that provides 50 degrees more heat resistance and 5,000 psi more tensile strength than the more commonly used 356 alloy. Advanced casting technology enables Dart to produce heads with higher density and strength in the combustion chambers. Tighter casting tolerances allow profiled valve guide bosses to be cast in and produce smoother surfaces for improved flow. Dart's own Pro-Stock campaign and daily interaction with winning racers and engine builders enable Dart to constantly gain new knowledge and experience concerning engine performance and reliability. Dart Machinery integrates these lessons to continuously improve Dart products. Dart blocks and Dart cylinder heads provide an exceptional value at an affordable price. Precision machining and quality control measures mean you get optimum out of the box performance. Dart blocks are loaded with features you won't find in any factory casting. Dart cylinder heads offer superior casting technology, premium materials, optimized port and chamber design, premium valve guides, hardened valve seats, rolled valve angles and CNC porting are among the available features. Fully assembled or bare heads can be ordered with combustion chambers matched to your bore size. We feature Dart Iron Eagle Cylinder Heads, Dart Pro 1 Aluminum Cylinder Heads, Dart Valve Covers, Dart Little M Cast Iron Engine Blocks, Dart Iron Eagle Engine Blocks, Dart Aluminum Engine Blocks, Dart Sportsman Engine Blocks, Dart Intake Manifolds and more at low everyday prices!