BBC Race Series Heads

Dart's big-block Race Series heads set the standard as soon as they were introduced, and we have continued to refine the original design with the latest technology. The 320, 360 and 410 "Big M" have been joined by 340 and 370 oval port designs. Dart's Race Series big-block heads give you a true racing head and still allow the use of off the shelf pistons, manifolds and headers. They are cast with extra thick walls to allow extensive porting and modification. A variety of CNC porting programs are available.
Dart's 18° big block head was conceived to bridge the gap between a conventional BBC head and Dart's legendary Big Chief. Dart's proprietary Speed Flow Technology(tm) has brought awesome power producing features together in a new cylinder head design. Combining oval intake ports and high flowing intake runners in a conventional siamesed-port design, the new 18° head provides approximately a 50-60hp bolt-on advantage while retaining conventional valve train, manifolds and valve covers.

Please call Dart at 248-362-1188 or contact an authorized Dart dealer to place an order for this item.
360 Race Head Enlarge
18 Degree Oval Port Head Enlarge
Race Head Intake Ports Enlarge
Race Head Chambers Enlarge
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DESCRIPTION  
Item BBC 320 Race Series Bare (No Porting)
Material Aluminum
Intake Port 320cc Rectangular Port
Chamber Volume
Notes All cylinder heads are sold individually.
Part Number/s Part Number Reference Sheet
Download Specifications
DESCRIPTION  
Item BBC Race Series 320 Bare
Material Aluminum
Intake Port 320cc
Chamber Volume
Intake/Exhaust Valves
Cylinder Bore
Porting Program
Notes All cylinder heads are sold individually.
Part Number/s Part Number Reference Sheet
Download Specifications
DESCRIPTION  
Item BBC Race Series 320 Assembled
Material Aluminum
Intake Port 320cc
Chamber Volume
Intake/Exhaust Valves
Springs
Cylinder Bore
Porting Program
Notes All cylinder heads are sold individually.
Part Number/s Part Number Reference Sheet
Download Specifications
DESCRIPTION  
Item BBC Race Series 360 Bare (No Porting)
Material Aluminum
Intake Port 360cc Rectangular Port
Chamber Volume
Description
Notes All cylinder heads are sold individually.
Part Number/s Part Number Reference Sheet
Download Specifications
DESCRIPTION  
Item BBC Race Series 360 Bare
Material Aluminum
Intake Port 360cc
Chamber Volume
Intake/Exhaust Valves
Cylinder Bore
Porting Program
Notes All cylinder heads are sold individually.
Part Number/s Part Number Reference Sheet
Download Specifications
DESCRIPTION  
Item BBC Race Series 360 Assembled
Material Aluminum
Intake Port 360cc
Chamber Volume
Intake/Exhaust Valves
Springs
Cylinder Bore
Porting Program
Notes All cylinder heads are sold individually.
Part Number/s Part Number Reference Sheet
Download Specifications
DESCRIPTION  
Item BBC Race Series Oval Port Bare
Material Aluminum
Intake Port
Chamber Volume 125cc
Intake/Exhaust Valves
Description Full Port
Cylinder Bore
Notes All cylinder heads are sold individually.
Part Number/s Part Number Reference Sheet
Download Specifications
DESCRIPTION  
Item BBC Race Series Oval Port Assembled
Material Aluminum
Intake Port
Chamber Volume 125cc
Intake/Exhaust Valves
Springs 1.625 Double
Description Full Port
Cylinder Bore
Notes All cylinder heads are sold individually.
Part Number/s Part Number Reference Sheet
Download Specifications
DESCRIPTION  
Item BBC Race Series 18 Degree Bare
Material Aluminum
Intake Port
Chamber Volume 102cc
Intake/Exhaust Valves
Description Full Port
Cylinder Bore
Notes All cylinder heads are sold individually.
Part Number/s Part Number Reference Sheet
Download Specifications
DESCRIPTION  
Item BBC Race Series 18 Degree Assembled
Material Aluminum
Intake Port
Chamber Volume 102cc
Intake/Exhaust Valves
Springs 1.625 Double
Description Full Port
Cylinder Bore
Notes All cylinder heads are sold individually.
Part Number/s Part Number Reference Sheet
Download Specifications
DESCRIPTION  
Item BBC Big M Bare
Material Aluminum
Intake Port 410cc
Chamber Volume 119cc
Intake/Exhaust Valves 2.350/1.880 Valve Job
Description
Cylinder Bore
Intake Style Rectangular
Notes All cylinder heads are sold individually.
Part Number/s Part Number Reference Sheet
Download Specifications
DESCRIPTION  
Item BBC Big M Assembled
Material Aluminum
Intake Port 410cc
Chamber Volume 119cc
Intake/Exhaust Valves 2.35/1.88
Springs 1.625 Double
Cylinder Bore
Porting Program Super Mod
Notes All cylinder heads are sold individually.
Part Number/s Part Number Reference Sheet
Download Specifications