Dart BBC Pro 1 Pro 2 335-355-380cc Fully CNC Ported Heads
$3295.00
DART Pro 1 / Pro 2 Heads are fully cnc ported. These are Some of the Best Heads for 540-632CI BBC’s. Manley Valves, .850″ Lift NexTek Springs & T-Ret
- 355 T6 Virgin Aluminum Alloy
- Exclusive 5 Angle Int & Exh Valve Job
- Fully CNC Wet Flow Designed
- Raised Exhaust Port (.300″)
- Increased Deck Thickness
- Accessory Bolt Holes In Stock Location
- 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
- 119-141cc CNC’d Combustion Chambers
- 2.300″ Manley Stainless Steel Intake Valves
- Seats Diked and Hand Lapped to Insure Perfect Seal
- 1.880″ Manley Stainless Steel Exhaust Valves
- Seats Diked and Hand Lapped to Insure Perfect Seal
- Manley Nex Tek 1.640″ Double Roller Springs (.850″ 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
- Hot Washed Blown Dry & Clean
- Professionally Assembled & Packaged
Upgrades & Options
All New Dart Pro 2 380cc Cylinder Heads
+ $250.00
Upgrade any 335-355-380 head with 2.325″ Intake & 1.860 Exhaust (up to 30hp gain)
+ $395.00
Manley or Victory Titanium Intake Valves
+ $795.00
Manley or Victory Titanium Exhaust Valves
+ $795.00
Manley Inconel Extreme Duty Exhaust Valves
+ $325.00
Pacaloy 947 Triple Valve Springs (Intake Only)
+ $75.00
Pacaloy 947 Triple Valve Springs (Intake & Exhaust)
+ $150.00
Manley Nex Tek 1.677″ Triple Valve Springs
+ $195.00
Dart 2 Piece Adjustable Guide Plates w/center lock bolt
+ Included
ARP Head Stud Kit, Bolts are not Rrecommened with These Heads
+ $195.00
Dart Inner Valley Head Stud Kit
+ $90.00
Mill Heads to 114cc Combustion Chambers
+ $100.00
Jesel Sportsman Shaft Rocker System
+ $995.00
T&D Shaft Rocker System
+ $1295.00
Jomar Pro Series Stud Girdle
+ $235.00
Cometic MLS Head Gaskets (up to 4.630 bore size and .051″ thickness, other sizes available)
+ $195.00
Pro-Filer Sniper or Sniper Jr. CNC Intake Match Ported for these heads, Just Bolt On!
+ $475.00
Jomar Special CNC Ported 3D 1¼” Spacer, Actually makes up to 5hp and 10lbs torque
+ $75.00
Dart CNC Fully Ported 4500 Intake Manifold is the Best Choice and Most Power w/Jomar Spacer Kit
+ $795.00