DART PRO1 SBC 327, 350, 400 215CC ASSEM ALUM HEADS- DRT11520020P

DART PRO1 SBC 327, 350, 400 215CC ASSEM ALUM HEADS- DRT11520020P
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  • Item #: DART-11520020P

DART PRO1 SBC 215cc ALUMINUM HEADS

$1295 + $55 shipping

Perfect for 327, 350, 383 and 400

(MAY NEED STEAM HOLES FOR 400 engines)

 72cc Combustion Chambers

Stainless 2.05 Intake/1.60 Exhaust Valves

HEAD SPECS:

MANUFACTURER'S PART # 11820040P

Material: 355T6 Alum alloy

Comb Chambers: 72cc

Intake Valve Dia:  2.05” 

Intake Port volume: 215cc

Intake Port Dim: 2.225” x 1.245”

Int Port Location: Stock

Intake Gasket: Fel-Pro#   1206

Exh Valve Dia.:  1.600”

Exh Port volume:  75cc

Exhaust Port Dim: 1.370” x 1.430” w

Exh Port Location:  Stock location & bolt pattern

Exhaust Gasket:  Fel-Pro#    1405

Flow, Intake: 308cfm @   .700” lift / 28” 

Flow, Exhaust:  207cfm @   .700” lift / 28”  

Head Bolts:  Stock bolts can be used.  We recommend ARP# 134-3601

Head Studs:   ARP# 134-4001 or 234-4301 (12pt)

Manifold:  Alum Single Plane Dart    (opening - 1.100”x 2.000”)   5.500” tall

Milling:  Min. 58cc = .060”   (.0065” = 1cc)   Flat Mill

                                  Angle mill .125” safely   / .200” = 49cc 1.5°  (carefully)     

Pistons:  Most 23°aftermarket pistons.

Push Rod length:  Stock thru   +.100”   Should always measure      (Stock length   = 7.800”) 

Push rod Guide Plate:   Must use Comp Cam # 4808 (flat)

Retainers:  Steel   10°    (+.050” lock & retainer)

Spark Plug:  Angle or straight,   .750” reach, gasketed,    Autolite AR3933    

Spring Pockets:  1.550” OD    (.030” deeper max)

Springs:   Our Assembly:  1.437D = 130# @ 1.800” / .620” max     Comp 987

                                    1.550D = 195# @ 1.900” / .690” max    Comp 954

Valve Length:  5.035”   (+.100”)       (STD 4.935” w/1.437)       

Valve Stem Dia:  .3415”   -   11/32”

Valve Train:  STD SBC 3/8” or 7/16” stud mount

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

Valve Guide length:  1.950”        

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

Valve Guide Spacing:  1.890” exhaust moved .030” from intake

Valve Seats:  Hardened Ductile Iron,   .006” press    

Valve Seat dim.:  Int - 2.160” x 1.810” x .350”      Exh - 1.650” x 1.350” x .350”

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

Stud Girdle:  Retains standard SBC stud location. Recommended Dart PN # 64110002

Torque:  Head Bolts = 70 ft/lb

                Rocker Studs = 45 ft/lb

         Manifold = 35 ft/lb

Block Use:  Any SBC Iron or Aluminum  

Weight:  23 lbs

These heads are assembled by skilled professionals with over 20 years of experience and use the best components in the industry.

We ship around the world!

**NOTE: Shipping prices listed are for the contiguous 48 US states only. There may be additional postage required to ship items to Alaska, Hawaii, Puerto Rico and other US territories. If additional postage is required, we will contact you through e-mail to let you know. If you live outside of the contiguous US, please request a shipping quote prior to purchase to avoid any delays in shipping your item.

To keep our prices low, we will ship this item the best way possible. We ship with UPS and USPS, and will choose the carrier that has the best rate and service to your area. Your tracking number will tell you how your item will be shipped.

We have been in business for over 30 years building some of the fastest race engines in the southeast with the best parts around. We are excited to now offer these parts to you at affordable prices. Our machinists are the best in the business and our sales staff is friendly and knowledgeable. Please give us a call with any questions about our items, we will be happy to talk to you about your project:

423-288-3881

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