Sell Dart 380cc BBC Pro 2 CNC alum heads 124cc Complete Assembled Pair; PN 19674139 in Franklin, Tennessee, United States, for US $5,024.75

Condition:New Brand:Dart Machinery Warranty:Yes Manufacturer Part Number:19674136 Country/Region of Manufacture:United States Surface Finish:Cast

WE DO NOT STOCK THIS ITEM.
IT WILL SHIP DIRECTLY FROM THE MANUFACTURER.

Dart's new PRO2 380cc heads are the next evolution of our Big-Block Chevy line up. As engine displacements continually get bigger, we saw the need for a larger conventional-style cylinder head to extract the maximum performance from these huge motors.

The PRO2 cylinder heads were designed to make competitive engine building easier and less expensive by incorporating the rugged features of our famous Race Series casting into a ready to use, professional quality competition cylinder head. Every intake port, every exhaust runner, every valve bowl, and every combustion chamber is 100% digitally CNC machined for the ultimate in consistency.

The new PRO 2 head's 380cc intake runners are paired with 144cc exhaust ports. Intake valves are 2.300 inches, and the exhausts measure 1.880 inches in diameter. Brass head bolt tubes are inserted between adjacent intake runners to allow the ports to be widened. The high-velocity raised exhaust ports are modeled on our own Pro Stock heads using airflow concepts that dramatically improve cylinder scavenging and the engine’s ability to accelerate quickly. Multi-angle intake valve seats direct the air-fuel mixture into the chamber like an airfoil, reducing turbulence and preventing fuel separation. Fully radius exhaust seats provide the smoothest possible transition into the ports for hot exhaust gases. Dart's new CNC-machined PRO 2 aluminum cylinder heads with 380cc intake ports are just what the doctor ordered for large displacement big-block Chevrolet racing engines.

Fully-Assembled, complete pair of cylinder heads including:

· 1 pair assembled Dart Pro2 CNC-ported BBC aluminum heads

· 124cc combustion chambers

· 380cc intake port

· Angle plugs

· Stainless steel valves 2.30" (+.350" long) Intake; 1.88" Stock length

· 5-angle valve job

· Valve springs for solid roller race cams std. (1.650"-triple, .900" max lift) *other springs available

· Titanium retainers

· New locks & seals

· Adjustable guideplates

· Steel spring cups

· Extra thick deck surfaces to resist warpage

*ROCKER ARM STUDS ARE NOT INCLUDED*

We install and tune! Purchase this item and receive in-house installation, initial set-up, and tuning at Hardcore Horsepower, LLC!

TN residents add 9.25% sales tax.

No-interest 6 or 12-month Layaway plan available

Terms: Minimum 20% down payment due at close of sale. The remaining balance due will be divided into 6 or 12 equal payments. Each subsequent payment will be due at the beginning of each month thereafter until balance is paid in full. Item will be built and/or ordered and shipped after full payment has been received. All Deposits and Layaway payments are non-refundable, except for approved product warranty purposes only. Feel free to contact us for any more info or to get started.

Engines may take approximately 4-12+ weeks to build. Final payment due in full immediately upon purchase, excluding engines purchased on Layaway plan.

Details of full build and copies of all pertinent engine information will be provided to buyer only. This item will include all parts listed above, except where noted. Some products shown in photos may not be included. Any/all products may be changed without notice.

Hardcore Horsepower, LLC Warranty:
All products used in Hardcore Horsepower engines are protected against defects in workmanship and materials by their original manufacturer’s warranties. See Hardcore Horsepower Store for more warranty details.

We offer Ground shipping to the 48 states. AK, HI, and P.R. shipping extra.

Feel free to call for more info or to customize your kit accordingly.

International Shipping may be available for extra cost. Please provide a shipping address for quote.

Photos shown are representational only.

Actual item may differ.

Hardcore Horsepower, LLC
Franklin, TN
615/595-0060
10am-6pm Monday thru Friday
USA Central Time

Check out all of the other great deals available in our eBay Store!!!

We Make It Go Fast!!!

3/18/2008

Dart CNC Ported 380 BBC Aluminum Cylinder Head

Part# 19600000

Material: 355T6 alum alloy

Comb Chambers: 124cc

Intake Valve Dia: 2.300”

Intake Port Dim: 1.7740”w x 2.490”h

Int Port Location: Stock

Intake Gasket: Dart 65123100

Exh Valve Dia.: 1.880”

Exh Port volume: 164cc

Exhaust Port Dim: 2.112”w x 1.840”h

Exh Port Location: Raised .500” Std bolt pattern

Exhaust Gasket: Fel-Pro 1412

Exhaust Head Bolts: 1” longer than stock (4) ea. required

Flow, Intake: @ .900 lift/28” 440cfm intake 338cfm exhaust

Head Bolts/studs: Bolts – ARP# 135-3603 Studs – ARP# 235-4103

Manifold: Rect. Port Dart (opening - 1.575”x 2.250”) 6.25” tall

Milling: Min. 110cc. (.005” = 1cc) Flat mill only.

Pistons: Aftermarket pistons.

Push Rod length: Avg. +.200” / +.250” Should always measure

Stock length Int. = 8.275” / Exh = 9.250”

Push Rod Guide Plate Dart adjustable

Retainers: 1.625” - Titanium (10°)

Spark Plug: .750” reach, gasketed. Autolite AR3933

Spring Cups: 1.655” - .035 cup

Spring Pockets 1.740” OD for 1.625” cup (.030” deeper max)

Springs: Our Assembly: 1.650T = 338# @ 2.100” / .900” max P.S.I.

Valve Angles: Int - 24°, Exh - 15° (Rolled 2°) 4° cant

Valve Length: Int - 5.475” (+.250) Exh - 5.435” (stock)

Valve Stem Dia: .3415” - 11/32”

Valve Train: Accepts screw in studs and guide plates, Jesel, and T&D shaft system

Valve Guides: 1/2” OD Mag - bronze Cut for .530” PC seals (.002” press)

Valve Guide length: Int - 2.100” Exh - 2.250”

Valve Guide clearance: .0014” - .0021” (with our .3415 dia. valve stem)

Valve Guide Spacing: Exh moved .045” away from Int

Valve Seats: Ductile Iron, .006” press (TIR .004)

Valve Seat dim. Int. - 2.450” x 2.000” x .375” Exh - 2.000” x 1.600” x .375”

Valve Seat angles: Int = 32° - 45° - 60° - 70°-80° Exh = 37° - 45° - radius

Stud Girdle: #64110001

Valve Covers: Part# 68000020

Torque: Head Bolts = 70 ft/lb Dart inner head studs 3/8-7/16 = 50 ft/lb

Rocker Studs = 45 ft/lb

Manifold = 35 ft/lb

Block Use: Mark IV, Gen V, Gen VI with proper head gasket

Weight: 36.5 lbs

We do not stock this item.
All Dart engine components will ship direct from the manufacturer.

WARNING

Some of the products sold in this store

contain/may contain chemicals known

to the State of California to cause

cancer, birth defects or other

reproductive harm.

California Health and Safety Code Section 25249.6

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Dart 380cc Bbc Pro 2 Cnc Alum Heads 124cc Complete Assembled Pair; Pn 19674139 on 2040-parts.com

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