• DART’s CNC Ported Honda GSX Heads are based on factory new GS-R VTEC castings, and are given a full digital CNC porting and combustion chamber reshaping.
• Dart’s GSR CNC Heads provide serious street or racing performance with optimized air flow, fuel atomization and combustion characteristics.
• Our extensive racing experience has been applied to produce a Honda head which increases power and performance dramatically.
• Ideal for turobcharged or nitrous oxide injected engines using Dart’s B-18 , B-20+ or stock Honda blocks.
• Digital CNC porting and combustion chamber machining provides dimentionally accurate and consistent contours which translate into reliable power output.
• 135cc Intake Port Volume (125cc Stock)
• 90cc Exhaust Port Volume
• 45cc Combustion Chamber Volume
• 34mm Intake Valve Diameter
• 28mm Exhaust Valve Diameter
• Fits all B-Series Blocks
• Assemblies Include: Stainless Steel Valves, Titanium Retainers, .875" Diameter Double Heavy Duty Valve Springs, Custom Valve Spring Cups, OE VTEC Solenoid.

DART HONDA B-SERIES CNC CYLINDER HEADS
170-740-20	Aluminum B-Series Head, 81.50mm Bore, Bare Casting	$ 2695.00
170-741-23	Aluminum B-Series Head, 81.50mm Bore, Assembled	$ 3195.00
170-750-20	Aluminum B-Series Head, 84.50mm Bore, Bare Casting	$ 2695.00
170-751-23	Aluminum B-Series Head, 84.50mm Bore, Assembled	$ 3195.00

Custom Design Performance

219 Route 6
Columbia, CT 06237
Verizon 860-614-6381

NOT RESPONSIBLE FOR TYPOGRAPHICAL ERRORS. SPECIALS NOT AVAILABLE AT ALL LOCATIONS, BRAND NAMES MAY VARY. PRICES SUBJECT TO CHANGE WITHOUT NOTICE.