Honda CNC Head Dart's CNC Ported Honda GSX Heads are based on factory new OE Honda GS-R VTEC castings, and are given a full digital CNC porting and combustion chamber reshaping for improved airflow and combustion characteristics. Dart's GSR CNC Heads provide serious street or racing performance with optimized air flow, fuel atomization and combustion characteristics. Our extensive drag racing experience has been applied to produce a Honda head which increases power and performance dramatically. Ideal for turbocharged or nitrous oxide injected engines using Dart's B18, B-20+ or stock Honda blocks. Digital CNC porting and combustion chamber machining provides dimensionally accurate and consistent contours which translate into reliable power output.

Made from brand new OE Honda aluminum die castings - Honda Part #1-2100-P72-000  Digital CNC machined ports and combustion chambers  135cc Intake Port Volume (125 Stock)  90cc Exhaust Port Volume  45cc Combustion Chamber Vol. (81.5mm bore)  34mm Intake Valve Dia.  Fits all B-Series Blocks  Legal in all sanctioned bodies  Assemblies available with: Increased intake valve dia. Titanium retainers Heavy Duty valve springs Custom spring cups OE VTEC solenoid

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Shanons Engineering, Inc. 15487 13th Avenue South Haven, Minnesota 55382 Phone: (320) 274-5278	Shanons Engineering, Inc. Accepts MasterCard and VISA.
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