WE DO NOT STOCK THIS ITEM.
IT WILL SHIP DIRECTLY FROM THE MANUFACTURER TO YOU WITHIN A FEW DAYS AFTER YOUR PURCHASE. THANK YOU.

Dart's small block Ford Pro 1 Cylinder Heads are cast from the same virgin C355-T61 aircraft alloy that is used in Dart Pro-Stock heads. These Windsor style heads have been completely redesigned to offer the performance advantage of ported style heads without the expense. Dart's PRO1 ports and chambers are designed to emulate ported shapes in an as-cast configuration.
Standard valve angle and spacing is retained for bolt-on compatibility. Manganese bronze valve guides are used for long life, and hardened valve seats provide durability with unleaded fuels. Whether you're building a mild street engine or a big inch fire breather, Dart heads will give you a performance advantage!

Fully-Assembled, complete pair of cylinder heads including:

· 1 pair assembled Dart Pro 1 aluminum heads

· 62cc combustion chambers

· 170cc intake port

· Angle plugs

· Stainless steel valves 1.94 x 1.60"

· 5-angle valve job

· Valve springs for hydraulic roller cams std. (other springs available)

· Chrome moly retainers (Ti retainers also available)

· New locks & seals

· 5/16" Guideplates

· Steel spring cups

· Extra thick deck surfaces to resist warpage

· 3/8" screw-in rocker arm studs

*Note: CNC porting is extra.

This is just a partial listing. We also offer heads from: Air Flow Research (AFR), Cylinder Head Innovations (CHI), CFE Racing Products, BMF Racing Heads, Edelbrock, Brodix, GM Performance Parts, RHS Pro Action, and more to work on all engines. Any head combo including 23, 18, 15, 14, 13, and 11-degree valve angles can be custom-tailored to fit your needs. From mild-to-wild, we can put together a package to make your ride scream!

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

TN residents add 9.25% sales tax.

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!!!

9/19/2007

Dart FORD 170cc 20° Aluminum Cylinder Head

Part# 13100080

Material: 355T6 alum alloy

Comb Chambers: 62cc

Intake Valve Dia: 1.940”

Intake Port volume: 170cc

Intake Port Dim: 1.980” x 1.100”w

Int Port Location: Stock

Intake Gasket: Fel-Pro# 1262

Exh Valve Dia.: 1.600”

Exh Port volume: 65cc

Exhaust Port Dim: 1.330” x 1.340” w

Exh Port Location: Raised .135” Standard Ford pattern (2.00” bolt centers)

Exhaust Gasket: Fel-Pro# 1487

Flow, Intake: 261 cfm @ .600” lift / 28”

Flow, Exhaust: 172 cfm @ .600” lift / 28”

Head Bolts: Dart & 351W block 1/2" OD ARP# 154-3603

302 block 1/2"-7/16” stepped washer ARP# 154-3605

Head Studs: Dart & 351W block 1/2" OD ARP# 154-4003

302 block 1/2"-7/16” stepped washer ARP# 154-4005

Manifold: Most with standard port location

Milling: Min. 50cc (.0065” = 1cc) Flat Mill

Pistons: Most 20°aftermarket pistons.

Push Rod length: Should always measure

Push rod Guide Plate: Comp Cam # 4816 (flat)

Retainers: Steel (10°)

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

Spring Pockets: 1.550” OD (.050” deeper max)

Springs: Our Assembly:1.437D = 130# 1.800” (solid & hyd roller)

1.550D = 195# 1.900” (solid roller)

Valve Length: Std 4.890” / 5.035” (+.100) roller

Valve Stem Dia: .3415” - 11/32”

Valve Train: Uses roller rockers 3/8” or 7/16” stud mount Jesel kit, KCS-315123

Valve Guides: 1/2” OD Mag-bronze (.002” press)

Valve Guide length: 2.250”

Valve Guide clearance: .0014” - .002” (with our .3415 dia. valve stem)

Valve Guide Spacing: 1.876” moved .050” from stock

Valve Seats: Hardened Ductile Iron, .006” press

Valve Seat dim. Int - 2.160x 1.750 x .350 Ex - 1.650x 1.350x .350

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

Stud Girdle: Use any standard girdle

Torque: 1/2" = 100 ft/lb

Rocker Studs = 45 ft/lb Manifold = 18 ft /lb

Block Use: Dart Iron or Aluminum & any Ford

Weight: 23 lb

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

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