Dart_2018_Catalog_SinglePg_June_Revised

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CHAMPIONSHIP ENGINE COMPONENTS MADE IN THE USA SHORT BLOCKS TOP KITS BLOCKS HEADS MANIFOLDS CRANKSHAFT ACCESS SBC LS BBC SBF HON COATINGS BILLET QUICK INFO >>> Serious street performance, mild bracket racing and oval track. Maximum torque and throttle response from 3,500 to 7,800 RPM. Best for 363-427 cubic inch engines. Works with most standard components. Every intake port, exhaust runner, valve bowl, and every combustion chamber is 100% CNC machined on special dedicated PRO1 castings. These heads are ideal for high compression, big cubic inch small blocks and are great for supercharged applications. Exhaust runners are raised .135” for improved flow. Manganese Bronze valve guides are used for long life, and hardened valve seats provide durability with unleaded fuels. Features 3.000" exhaust bolt pattern. Assemblies include Stainless Steel valves, premium springs, locks, retainers, studs, guide plates and seals. Heads are sold individually. 20° 225cc CNC PRO1 20° 225cc CNC - ALUMINUM 62cc COMBUSTION CHAMBERS PART NO. CONFIGURATION FOR USE MAX. LIFT 13072040 Bare Head 13072142 1.437” Dual Springs for Hydraulic Roller or Solid Flat Tappet Cam .620” 13072143 1.550” Dual Springs for Solid Roller Cam .700” SMALL BLOCK FORD CAST ALUMINUM CYLINDER HEADS Head parts kit - see page 118. Uses 7/16” screw-in rocker studs. Assemblies with 1.550” valve spring use +.100” long valves. PRO1 20° 225cc CNC SPECS Material: RMR Cast Aluminum Alloy Valve Angle: 20° (stock) Intake Port Volume: 225cc CNC Intake Valve: 2.080” Exhaust Valve: 1.600” Chamber Volume: 62cc FLOW DATA @ 28” WATER LIFT INTAKE EXHAUST .200” 136 115 .300” 201 164 .400” 259 205 .500” 300 225 .600” 323 231 .700” 325 238 Not intended for sale or use with pollution controlled vehicles. 110 248.362.1188 / DARTHEADS.COM Connect with us socially, search: DART MACHINERY
QUALITY STRENGTH PERFORMANCE SINCE 1981 SMALL BLOCK FORD INTAKE MANIFOLDS An engine’s cylinder heads and intake manifold must work together as an integrated system to produce maximum performance. The intake charge should make a seamless transition from the manifold runners to the cylinder head ports. <strong>Dart</strong> has taken this into consideration for every intake manifold we sell. DUAL PLANE PART NO DESCRIPTION PORT STYLE DECK CARB 44811000 SBF Manifold Rectangle 8.200 4150 44814000 SBF Manifold Rectangle 9.500 4150 SINGLE PLANE PART NO DESCRIPTION PORT STYLE DECK CARB 44411000 SBF Manifold Rectangle 8.200 4150 44814000 SBF Manifold Rectangle 9.500 4150 44411000 44811000 44414000 44814000 SHORT BLOCKS TOP KITS BLOCKS HEADS MANIFOLDS CRANKSHAFT ACCESS SBC LS BBC SBF HON COATINGS BILLET Not intended for sale or use with pollution controlled vehicles. 248.362.1188 / DARTHEADS.COM Connect with us socially, search: DART MACHINERY 111
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CHAMPIONSHIP ENGINE COMPONENTS RACE
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Dart’s wet flow bench uses a test
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Dart_2018_Catalog_SinglePg_June_Revised

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