Mofoco 040 Dual Port New Cast Stock Cylinder Head ***SCORE APPROVED***

# MFC-CCH040
Mofoco 040 Dual Port New Cast Stock Cylinder Head  ***SCORE APPROVED***


MOFOCO boasts the only completely MADE IN USA VW Aircooled Cylinder Heads. The 040 head is a stock replacement cylinder head with 35.5mm intake valves and 32mm exhaust valves. We have specifically designed these castings for better cooling and better performance than original castings.

Mofoco 040 Flow Numbers---Tested at 25" with an IDF manifold

Lift                             Intake                      Exhaust

.100                             46                              39

.200                             84                              70

.300                            111                              91

.400                            126                             99

.500                            132                            105


Detailed Specifications for the Mofoco 040 Cylinder Head


35.5mm Intake Valve

32mm Exhaust valve

55cc Combustion Chambers

Heavy Duty Springs

Aircraft Casting Technology

Smoother Port Design for Better Flow

Thicker Port Walls & Larger Intake Face

3/4 Inch Reach Spark Plugs

More Cooling Fins - Thicker & Stronger

Thicker Combustion Chamber Ceiling

Standard Bore

Machined on CNC-NC Milling Machines


These come standard to fit stock 85.5 Cylinders. If you want larger bore please specify the size you need when placing your order.

Note: These heads are priced individually. It is strongly recommended you purchase a pair for optimal performance

Price: $249.99
Stainless Steel Vavles
Intake & Exhaust  $25.00
Machine Head for Dual Plugs


Dual 12mm Spark Plugs  $100.00
Flycutt and CC Heads

All new Mofoco cast cylinder heads come standard with 55cc chambers.  If you need smaller chambers to increase the compression ratio on your engine, please choose from the options below.

Flycut from 46cc to 54cc  $35.00
Flycut from 35cc to 45cc  $65.00
Flycut from 28cc to 34cc  $115.00
Drill & Tap Fuel Injection Sensor
Fuel Injection Sensor (One Head)  $10.00
Dual Springs & Chromoly Retainers

Dual Springs are recommended for hi-rev applications and come with chromoly retainers.

Yes  $40.00
Bore Size*

Select the desired bore size. Standard size of 85.5mm & 87mm cylinders; 90.5/92mm or 94mm sizes are available.

85.5 / 87mm 
90.5 / 92mm  $25.00
94mm  $35.00
Quantity:  head