Dart BBC Pro 1 Fully CNC Ported 335-355-380cc Aluminum Heads Complete  $3295.00

Dart heads are fully CNC ported, not just the chambers. These are some of the best heads for 540-632CI BBC’s. Manley NexTek 1.640″ springs with titanium retainers for up to .880″ lift roller camshafts. These heads are in stock! Any spring combination is available for your requirements

Features

  • 355 T6 Virgin Aluminum Alloy
  • Dart 4 Angle Int-Valve Seat w/Rolled Radius Exhaust
  • Fully CNC Wet Flow Combustion Chambers
  • Raised Exhaust Port (.300″)
  • Increased Deck Thickness
  • 121cc Chambers
  • Drilled & Tapped For Inside Head Bolts
  • Ductile Iron Valve Seats
  • Bronze Alloy Valve Guides
  • Fits Standard Chevrolet Style Blocks
  • Utilizes Existing BBC Intake Manifolds
  • Uses Standard BBC Header Pattern
  • Uses Standard BBC Rocker Arms
  • Accessory Bolt Holes In Stock Location

Assembly Package Includes

  • 2.300″ Manley Stainless Steel Intake Valves
  • 1.880″ Manley Stainless Steel Exhaust Valves
  • Manley Nex Tek 1.640″ Double Roller Springs (.880″ Lift)
  • Manley 10° Titanium Retainers
  • Manley 10° Machined Locks
  • U.S. P/C Valve Stem Seals
  • Dart Special Hardened Spring Cups
  • Screw In Studs & Guide Plates Supplied
  • Professionally Assembled, Packaged & Shipped

    Upgrades and Options

    All New Dart Pro II 380cc Cylinder Heads
    + $250.00
    Upgrade any 335-355-380 head with 2.350″ Intake & Rolled Radius Valve Job (up to 20hp gain)
    + $395.00
    Manley Titanium Intake Valves
    + $795.00
    Manley Titanium Exhaust Valves
    + $795.00
    Manley Inconel Extreme Duty Exhaust Valves
    + $325.00
    Pacaloy 947 Triple Valve Springs (Intake Only)
    + $125.00
    Pacaloy 947 Triple Valve Springs (Intake & Exhaust)
    + $200.00
    Manley Nex Tek 1.677″ Triple Valve Springs
    + $255.00
    Dart 2 Piece Adjustable Guide Plates w/center lock bolt
    + $50.00
    ARP Head Stud Kit
    + $195.00
    Dart Inner Valley Head Stud Kit
    + $90.00
    Mill Heads to 114cc Combustion Chambers
    + $100.00
    Jesel Shaft Rocker System
    + $995.00
    T&D Shaft Rocker System w/Roller Tip Pro Series Rockers
    + $1495.00
    Jomar Pro Series Stud Girdle
    + $245.00
    Cometic MLS Head Gaskets (up to 4.630 bore size and .051″ thickness, other sizes available)
    + $170.00
    Pro-Filer Sniper or Sniper Jr. CNC Intake Match Ported for these heads, Just Bolt On!
    + $475.00
    Jomar Special CNC Ported 3° 1¼” Spacer, Actually makes up to 5hp and 10lbs torque
    + $90.00
    Dart CNC Match Ported 4500 Intake Manifold
    + $595.00

For more information on Dart Pro 1 CNC cylinder heads @dartheads.com