Dart BBC PRO1 335-355-365cc or PRO2 380cc Heads
$3995.00
Dart PRO1 24° 335-355-365 CNC heads are for uncompromising performance, racing applications which favor high RPM power over low end flexibility, best for big cubic inch, high RPM use and everything is 100% CNC finished
Dart PRO2 24° 380cc CNC heads have been revised with larger 2.350 intake valves and a revised port design for improved airflow and a substantial horsepower increase for larger engines.
- RMR Cast Aluminum Alloy
- Exclusive Intake and Exhaust Valve Job
- Fully CNC Wet Flow Designed
- 335-365 Raised .300″ or 380 Raised .500″ Exhaust Port
- Ductile Iron Valve Seats
- Bronze Alloy Valve Guides
- Utilizes Existing BBC Intake Manifolds
- Uses Standard BBC Header Pattern
- 121cc CNC Combustion Chambers (124cc 380cc)
- 2.300/1.880 Stainless Steel Valves (2.35-1.85 for 365-380cc)
- Manley NexTek 1.640″ Double Roller Springs
- Titanium Retainers and 10° Locks
- Valve Stem Seals
- Dart Spring Cups
- Dart 2 Piece Adjustable Guide Plates, Screw In Studs
- Assembled to Perfection
OPTIONS
Dart 380cc, 124cc with 2.35/1.85 valves, Triple Springs, Titanium Retainers
+ $ 475.00
Titanium Intake Valves
+ $ 795.00
Ferrea or Manley Inconel Exhaust Valves
+ $ 295.00
Pac Racing 1247 Triple Valve Springs and Titanium Retainers
+ $ 255.00
Manley NexTek® 221420 1.5″ Lightweight Lower Mass Dual Drag Race Valve Springs, Titanium Retainer Kit, .800″ Lift, 325 lb @ 2.0″ 825 lbs @ 1.170″ cb 1.13″
+ $ 250.00
Dart Stud Girdle Kit for Either Heads
+ $ 375.00
Dart Inner Valley Head Stud Kit
+ $ 95.00
T&D Shaft Rocker System
+ $1495.00
Dart or ProFiler CNC Match Ported Intake
+ $ 595.00