Billet High-Performance Head
HEAD SHELL (POLISHED)
Item: 28-41870
Brand : MODQUAD
Your Price: $228.95

HEAD SHELL (POLISHED)
28-41870
Weight: 3.14 lbs
Package Dimensions: 9.35 x 9 x 2.05
- Machined with a flow-thru design for optimum cooling
- Flow-thru design also increases coolant capacity
- Utilizes the stock cylinder head studs
- Machined from 6061 aluminum and polished to a mirror finish
- Will accept the NOSS or Pro Design dome
Color: Silver
Product fitment
Yamaha
1987
YFZ350 Banshee
1988
YFZ350 Banshee
1989
YFZ350 Banshee
1990
YFZ350 Banshee
1991
YFZ350 Banshee
1992
YFZ350 Banshee
1993
YFZ350 Banshee
1994
YFZ350 Banshee
1995
YFZ350 Banshee
1996
YFZ350 Banshee
1997
YFZ350 Banshee
1998
YFZ350 Banshee
1999
YFZ350 Banshee
2000
YFZ350 Banshee
2001
YFZ350 Banshee
2002
YFZ350 Banshee
2003
YFZ350 Banshee
2004
YFZ350 Banshee
2005
YFZ350 Banshee
2006
YFZ350 Banshee
DOME 18CC
Item: 28-41872
Brand : MODQUAD
Your Price: $74.95

DOME 18CC
28-41872
Weight: 0.64 lbs
Package Dimensions: 3.75 x 8.3 x 1.45
- Machined with a flow-thru design for optimum cooling
- Flow-thru design also increases coolant capacity
- Utilizes the stock cylinder head studs
- Machined from 6061 aluminum and polished to a mirror finish
- Will accept the NOSS or Pro Design dome
Product fitment
Yamaha
1987
YFZ350 Banshee
1988
YFZ350 Banshee
1989
YFZ350 Banshee
1990
YFZ350 Banshee
1991
YFZ350 Banshee
1992
YFZ350 Banshee
1993
YFZ350 Banshee
1994
YFZ350 Banshee
1995
YFZ350 Banshee
1996
YFZ350 Banshee
1997
YFZ350 Banshee
1998
YFZ350 Banshee
1999
YFZ350 Banshee
2000
YFZ350 Banshee
2001
YFZ350 Banshee
2002
YFZ350 Banshee
2003
YFZ350 Banshee
2004
YFZ350 Banshee
2005
YFZ350 Banshee
2006
YFZ350 Banshee
DOME 19CC
Item: 28-41873
Brand : MODQUAD
Your Price: $74.95

DOME 19CC
28-41873
Weight: 0.63 lbs
Package Dimensions: 4.15 x 8.35 x 1.45
- Machined with a flow-thru design for optimum cooling
- Flow-thru design also increases coolant capacity
- Utilizes the stock cylinder head studs
- Machined from 6061 aluminum and polished to a mirror finish
- Will accept the NOSS or Pro Design dome
Product fitment
Yamaha
1987
YFZ350 Banshee
1988
YFZ350 Banshee
1989
YFZ350 Banshee
1990
YFZ350 Banshee
1991
YFZ350 Banshee
1992
YFZ350 Banshee
1993
YFZ350 Banshee
1994
YFZ350 Banshee
1995
YFZ350 Banshee
1996
YFZ350 Banshee
1997
YFZ350 Banshee
1998
YFZ350 Banshee
1999
YFZ350 Banshee
2000
YFZ350 Banshee
2001
YFZ350 Banshee
2002
YFZ350 Banshee
2003
YFZ350 Banshee
2004
YFZ350 Banshee
2005
YFZ350 Banshee
2006
YFZ350 Banshee
DOME 20CC
Item: 28-41874
Brand : MODQUAD
Your Price: $74.95

DOME 20CC
28-41874
Weight: 0.65 lbs
Package Dimensions: 4.5 x 8.4 x 1.45
- Machined with a flow-thru design for optimum cooling
- Flow-thru design also increases coolant capacity
- Utilizes the stock cylinder head studs
- Machined from 6061 aluminum and polished to a mirror finish
- Will accept the NOSS or Pro Design dome
Product fitment
Yamaha
1987
YFZ350 Banshee
1988
YFZ350 Banshee
1989
YFZ350 Banshee
1990
YFZ350 Banshee
1991
YFZ350 Banshee
1992
YFZ350 Banshee
1993
YFZ350 Banshee
1994
YFZ350 Banshee
1995
YFZ350 Banshee
1996
YFZ350 Banshee
1997
YFZ350 Banshee
1998
YFZ350 Banshee
1999
YFZ350 Banshee
2000
YFZ350 Banshee
2001
YFZ350 Banshee
2002
YFZ350 Banshee
2003
YFZ350 Banshee
2004
YFZ350 Banshee
2005
YFZ350 Banshee
2006
YFZ350 Banshee
DOME 21CC
Item: 28-41875
Brand : MODQUAD
Your Price: $74.95

DOME 21CC
28-41875
Weight: 0.63 lbs
Package Dimensions: 4.65 x 8.05 x 1.45
- Machined with a flow-thru design for optimum cooling
- Flow-thru design also increases coolant capacity
- Utilizes the stock cylinder head studs
- Machined from 6061 aluminum and polished to a mirror finish
- Will accept the NOSS or Pro Design dome
Product fitment
Yamaha
1987
YFZ350 Banshee
1988
YFZ350 Banshee
1989
YFZ350 Banshee
1990
YFZ350 Banshee
1991
YFZ350 Banshee
1992
YFZ350 Banshee
1993
YFZ350 Banshee
1994
YFZ350 Banshee
1995
YFZ350 Banshee
1996
YFZ350 Banshee
1997
YFZ350 Banshee
1998
YFZ350 Banshee
1999
YFZ350 Banshee
2000
YFZ350 Banshee
2001
YFZ350 Banshee
2002
YFZ350 Banshee
2003
YFZ350 Banshee
2004
YFZ350 Banshee
2005
YFZ350 Banshee
2006
YFZ350 Banshee
DOME 22CC
Item: 28-41876
Brand : MODQUAD
Your Price: $74.95

DOME 22CC
28-41876
Weight: 0.5 lbs
Package Dimensions: 8 x 5 x 1.5
- Machined with a flow-thru design for optimum cooling
- Flow-thru design also increases coolant capacity
- Utilizes the stock cylinder head studs
- Machined from 6061 aluminum and polished to a mirror finish
- Will accept the NOSS or Pro Design dome
Product fitment
Yamaha
1987
YFZ350 Banshee
1988
YFZ350 Banshee
1989
YFZ350 Banshee
1990
YFZ350 Banshee
1991
YFZ350 Banshee
1992
YFZ350 Banshee
1993
YFZ350 Banshee
1994
YFZ350 Banshee
1995
YFZ350 Banshee
1996
YFZ350 Banshee
1997
YFZ350 Banshee
1998
YFZ350 Banshee
1999
YFZ350 Banshee
2000
YFZ350 Banshee
2001
YFZ350 Banshee
2002
YFZ350 Banshee
2003
YFZ350 Banshee
2004
YFZ350 Banshee
2005
YFZ350 Banshee
2006
YFZ350 Banshee
REPLACEMENT O-RINGS
Item: 28-41877
Brand : MODQUAD
Your Price: $26.95

REPLACEMENT O-RINGS
28-41877
Weight: 0.07 lbs
Package Dimensions: 1.9 x 4.05 x 1
- Machined with a flow-thru design for optimum cooling
- Flow-thru design also increases coolant capacity
- Utilizes the stock cylinder head studs
- Machined from 6061 aluminum and polished to a mirror finish
- Will accept the NOSS or Pro Design dome
Product fitment
Yamaha
1987
YFZ350 Banshee
1988
YFZ350 Banshee
1989
YFZ350 Banshee
1990
YFZ350 Banshee
1991
YFZ350 Banshee
1992
YFZ350 Banshee
1993
YFZ350 Banshee
1994
YFZ350 Banshee
1995
YFZ350 Banshee
1996
YFZ350 Banshee
1997
YFZ350 Banshee
1998
YFZ350 Banshee
1999
YFZ350 Banshee
2000
YFZ350 Banshee
2001
YFZ350 Banshee
2002
YFZ350 Banshee
2003
YFZ350 Banshee
2004
YFZ350 Banshee
2005
YFZ350 Banshee
2006
YFZ350 Banshee
HEAD SHELL (BLUE)
Item: 28-41880
Brand : MODQUAD
Your Price: $228.95
The product is out of stock

HEAD SHELL (BLUE)
28-41880
Weight: 3.13 lbs
Package Dimensions: 8.6 x 9.25 x 2.25
- Machined with a flow-thru design for optimum cooling
- Flow-thru design also increases coolant capacity
- Utilizes the stock cylinder head studs
- Machined from 6061 aluminum and polished to a mirror finish
- Will accept the NOSS or Pro Design dome
Color: Blue
Product fitment
Yamaha
1987
YFZ350 Banshee
1988
YFZ350 Banshee
1989
YFZ350 Banshee
1990
YFZ350 Banshee
1991
YFZ350 Banshee
1992
YFZ350 Banshee
1993
YFZ350 Banshee
1994
YFZ350 Banshee
1995
YFZ350 Banshee
1996
YFZ350 Banshee
1997
YFZ350 Banshee
1998
YFZ350 Banshee
1999
YFZ350 Banshee
2000
YFZ350 Banshee
2001
YFZ350 Banshee
2002
YFZ350 Banshee
2003
YFZ350 Banshee
2004
YFZ350 Banshee
2005
YFZ350 Banshee
2006
YFZ350 Banshee
HEAD SHELL (BLACK)
Item: 28-41881
Brand : MODQUAD
Your Price: $228.95

HEAD SHELL (BLACK)
28-41881
Weight: 2.61 lbs
Package Dimensions: 9.35 x 8.9 x 2
- Machined with a flow-thru design for optimum cooling
- Flow-thru design also increases coolant capacity
- Utilizes the stock cylinder head studs
- Machined from 6061 aluminum and polished to a mirror finish
- Will accept the NOSS or Pro Design dome
Color: Black
Product fitment
Yamaha
1987
YFZ350 Banshee
1988
YFZ350 Banshee
1989
YFZ350 Banshee
1990
YFZ350 Banshee
1991
YFZ350 Banshee
1992
YFZ350 Banshee
1993
YFZ350 Banshee
1994
YFZ350 Banshee
1995
YFZ350 Banshee
1996
YFZ350 Banshee
1997
YFZ350 Banshee
1998
YFZ350 Banshee
1999
YFZ350 Banshee
2000
YFZ350 Banshee
2001
YFZ350 Banshee
2002
YFZ350 Banshee
2003
YFZ350 Banshee
2004
YFZ350 Banshee
2005
YFZ350 Banshee
2006
YFZ350 Banshee
BIG BORE DOME 18CC 9 DEG
Item: 28-41884
Brand : MODQUAD
Your Price: $74.95

BIG BORE DOME 18CC 9 DEG
28-41884
Weight: 0.64 lbs
Package Dimensions: 3.8 x 8.45 x 1.45
- Machined with a flow-thru design for optimum cooling
- Flow-thru design also increases coolant capacity
- Utilizes the stock cylinder head studs
- Machined from 6061 aluminum and polished to a mirror finish
- Will accept the NOSS or Pro Design dome
Product fitment
Yamaha
1987
YFZ350 Banshee
1988
YFZ350 Banshee
1989
YFZ350 Banshee
1990
YFZ350 Banshee
1991
YFZ350 Banshee
1992
YFZ350 Banshee
1993
YFZ350 Banshee
1994
YFZ350 Banshee
1995
YFZ350 Banshee
1996
YFZ350 Banshee
1997
YFZ350 Banshee
1998
YFZ350 Banshee
1999
YFZ350 Banshee
2000
YFZ350 Banshee
2001
YFZ350 Banshee
2002
YFZ350 Banshee
2003
YFZ350 Banshee
2004
YFZ350 Banshee
2005
YFZ350 Banshee
2006
YFZ350 Banshee
BIG BORE DOME 19CC 9 DEG
Item: 28-41885
Brand : MODQUAD
Your Price: $74.95

BIG BORE DOME 19CC 9 DEG
28-41885
Weight: 0.63 lbs
Package Dimensions: 3.85 x 8.4 x 1.45
- Machined with a flow-thru design for optimum cooling
- Flow-thru design also increases coolant capacity
- Utilizes the stock cylinder head studs
- Machined from 6061 aluminum and polished to a mirror finish
- Will accept the NOSS or Pro Design dome
Product fitment
Yamaha
1987
YFZ350 Banshee
1988
YFZ350 Banshee
1989
YFZ350 Banshee
1990
YFZ350 Banshee
1991
YFZ350 Banshee
1992
YFZ350 Banshee
1993
YFZ350 Banshee
1994
YFZ350 Banshee
1995
YFZ350 Banshee
1996
YFZ350 Banshee
1997
YFZ350 Banshee
1998
YFZ350 Banshee
1999
YFZ350 Banshee
2000
YFZ350 Banshee
2001
YFZ350 Banshee
2002
YFZ350 Banshee
2003
YFZ350 Banshee
2004
YFZ350 Banshee
2005
YFZ350 Banshee
2006
YFZ350 Banshee
BIG BORE DOME 17CC 9 DEG
Item: 28-41883
Brand : MODQUAD
Your Price: $74.95
The product is out of stock

BIG BORE DOME 17CC 9 DEG
28-41883
Weight: 0.5 lbs
Package Dimensions: 8 x 5 x 1.5
- Machined with a flow-thru design for optimum cooling
- Flow-thru design also increases coolant capacity
- Utilizes the stock cylinder head studs
- Machined from 6061 aluminum and polished to a mirror finish
- Will accept the NOSS or Pro Design dome
Product fitment
Yamaha
1987
YFZ350 Banshee
1988
YFZ350 Banshee
1989
YFZ350 Banshee
1990
YFZ350 Banshee
1991
YFZ350 Banshee
1992
YFZ350 Banshee
1993
YFZ350 Banshee
1994
YFZ350 Banshee
1995
YFZ350 Banshee
1996
YFZ350 Banshee
1997
YFZ350 Banshee
1998
YFZ350 Banshee
1999
YFZ350 Banshee
2000
YFZ350 Banshee
2001
YFZ350 Banshee
2002
YFZ350 Banshee
2003
YFZ350 Banshee
2004
YFZ350 Banshee
2005
YFZ350 Banshee
2006
YFZ350 Banshee
HEAD SHELL (RED)
Item: 28-41879
Brand : MODQUAD
Your Price: $228.95
The product is out of stock

HEAD SHELL (RED)
28-41879
Weight: 2.25 lbs
Package Dimensions: 12 x 9 x 2.5
- Machined with a flow-thru design for optimum cooling
- Flow-thru design also increases coolant capacity
- Utilizes the stock cylinder head studs
- Machined from 6061 aluminum and polished to a mirror finish
- Will accept the NOSS or Pro Design dome
Color: Red
Product fitment
Yamaha
1987
YFZ350 Banshee
1988
YFZ350 Banshee
1989
YFZ350 Banshee
1990
YFZ350 Banshee
1991
YFZ350 Banshee
1992
YFZ350 Banshee
1993
YFZ350 Banshee
1994
YFZ350 Banshee
1995
YFZ350 Banshee
1996
YFZ350 Banshee
1997
YFZ350 Banshee
1998
YFZ350 Banshee
1999
YFZ350 Banshee
2000
YFZ350 Banshee
2001
YFZ350 Banshee
2002
YFZ350 Banshee
2003
YFZ350 Banshee
2004
YFZ350 Banshee
2005
YFZ350 Banshee
2006
YFZ350 Banshee
BIG BORE DOME 22CC STROKER
Item: 28-41882
Brand : MODQUAD
Your Price: $74.95
The product is out of stock

BIG BORE DOME 22CC STROKER
28-41882
Weight: 0.5 lbs
Package Dimensions: 8 x 5 x 1.5
- Machined with a flow-thru design for optimum cooling
- Flow-thru design also increases coolant capacity
- Utilizes the stock cylinder head studs
- Machined from 6061 aluminum and polished to a mirror finish
- Will accept the NOSS or Pro Design dome
Product fitment
Yamaha
1987
YFZ350 Banshee
1988
YFZ350 Banshee
1989
YFZ350 Banshee
1990
YFZ350 Banshee
1991
YFZ350 Banshee
1992
YFZ350 Banshee
1993
YFZ350 Banshee
1994
YFZ350 Banshee
1995
YFZ350 Banshee
1996
YFZ350 Banshee
1997
YFZ350 Banshee
1998
YFZ350 Banshee
1999
YFZ350 Banshee
2000
YFZ350 Banshee
2001
YFZ350 Banshee
2002
YFZ350 Banshee
2003
YFZ350 Banshee
2004
YFZ350 Banshee
2005
YFZ350 Banshee
2006
YFZ350 Banshee
DOMES 250R PUMP GAS 66CC-67.5CC
Item: 28-41905
Brand : MODQUAD
Your Price: $39.95

DOMES 250R PUMP GAS 66CC-67.5CC
28-41905
Weight: 1 lbs
Package Dimensions: 4 x 3 x 2
- Machined with a flow-thru design for optimum cooling
- Flow-thru design also increases coolant capacity
- Utilizes the stock cylinder head studs
- Machined from 6061 aluminum and polished to a mirror finish
- Will accept the NOSS or Pro Design dome
Product fitment
Honda
1981
ATC250R
1982
ATC250R
1983
ATC250R
1984
ATC250R
1985
ATC250R
1986
ATC250R
TRX250R
1987
TRX250R
1988
TRX250R
1989
TRX250R
COOL HEAD 250R WITH STAY BLACK
Item: 28-41902
Brand : MODQUAD
Your Price: $194.95

COOL HEAD 250R WITH STAY BLACK
28-41902
Weight: 2.5 lbs
Package Dimensions: 5 x 4 x 1.5
- Machined with a flow-thru design for optimum cooling
- Flow-thru design also increases coolant capacity
- Utilizes the stock cylinder head studs
- Machined from 6061 aluminum and polished to a mirror finish
- Will accept the NOSS or Pro Design dome
Product fitment
Honda
1981
ATC250R
1982
ATC250R
1983
ATC250R
1984
ATC250R
1985
ATC250R
1986
ATC250R
TRX250R
1987
TRX250R
1988
TRX250R
1989
TRX250R
COOL HEAD 250R WITH STAY POL
Item: 28-41900
Brand : MODQUAD
Your Price: $194.95

COOL HEAD 250R WITH STAY POL
28-41900
Weight: 2.5 lbs
Package Dimensions: 5 x 4 x 1.5
- Machined with a flow-thru design for optimum cooling
- Flow-thru design also increases coolant capacity
- Utilizes the stock cylinder head studs
- Machined from 6061 aluminum and polished to a mirror finish
- Will accept the NOSS or Pro Design dome
Product fitment
Honda
1981
ATC250R
1982
ATC250R
1983
ATC250R
1984
ATC250R
1985
ATC250R
1986
ATC250R
TRX250R
1987
TRX250R
1988
TRX250R
1989
TRX250R
DOMES 250R RACE GAS 66CC-67.5CC
Item: 28-41889
Brand : MODQUAD
Your Price: $39.95

DOMES 250R RACE GAS 66CC-67.5CC
28-41889
Weight: 1 lbs
Package Dimensions: 4 x 3 x 2
- Machined with a flow-thru design for optimum cooling
- Flow-thru design also increases coolant capacity
- Utilizes the stock cylinder head studs
- Machined from 6061 aluminum and polished to a mirror finish
- Will accept the NOSS or Pro Design dome
Product fitment
Honda
1981
ATC250R
1982
ATC250R
1983
ATC250R
1984
ATC250R
1985
ATC250R
1986
ATC250R
TRX250R
1987
TRX250R
1988
TRX250R
1989
TRX250R
Billet High-Performance Head: Unleash Your Engine's Potential
The Billet High-Performance Head is the ultimate upgrade for motorcycle enthusiasts looking to enhance their engine's performance. Its flow-thru design optimizes cooling and increases coolant capacity, allowing for a more efficient ride. Crafted from durable 6061 aluminum and polished to a mirror finish, this head not only looks great but also performs exceptionally well, making it a must-have for serious riders.
Optimize Your Ride with Advanced Cooling
With its innovative flow-thru design, the Billet High-Performance Head ensures your engine runs cooler, even during intense rides. This feature minimizes the risk of overheating, giving you peace of mind when pushing your bike to the limits. The increased coolant capacity further enhances this advantage, allowing for longer rides without compromising performance.
Seamless Compatibility with Stock Components
This high-performance head utilizes stock cylinder head studs, making installation a breeze. No need for extensive modifications or special tools—simply replace your existing head and experience the difference. This feature makes it an ideal choice for both seasoned mechanics and DIY enthusiasts alike.
Exceptional Durability Meets Sleek Aesthetics
Machined from premium 6061 aluminum and finished with a mirror polish, the Billet High-Performance Head not only boosts performance but also adds a touch of sophistication to your engine bay. Its robust construction ensures longevity, enabling you to enjoy improved performance for years to come.
Versatile Compatibility for Custom Builds
This head is designed to accept either the NOSS or Pro Design dome, providing you with the flexibility to customize your engine setup according to your riding style and preferences. Whether you’re looking for increased power or enhanced torque, this feature allows you to tailor your bike to meet your specific needs.
Specifications
| Parameter | Value |
|---|---|
| Material | 6061 Aluminum |
| Design | Flow-thru |
| Cooling Capacity | Increased |
| Finish | Mirror Polish |
| Compatibility | Stock Cylinder Head Studs |
| Dome Acceptance | NOSS or Pro Design |
This product has variations; for more details, please ensure you select the appropriate variant.
FAQ
Is this head compatible with my stock setup?
Yes, the Billet High-Performance Head utilizes stock cylinder head studs for seamless compatibility with your existing setup.
How does the flow-thru design improve performance?
The flow-thru design optimizes cooling and increases coolant capacity, which helps prevent overheating and enhances overall engine performance.
Fitment:
| Brand | Year | Model |
|---|---|---|
| Honda | 1981 | ATC250R |
| Honda | 1982 | ATC250R |
| Honda | 1983 | ATC250R |
| Honda | 1984 | ATC250R |
| Honda | 1985 | ATC250R |
| Honda | 1986 | ATC250R |
| Honda | 1986 | TRX250R |
| Honda | 1987 | TRX250R |
| Honda | 1988 | TRX250R |
| Honda | 1989 | TRX250R |
| Yamaha | 1987 | YFZ350 Banshee |
| Yamaha | 1988 | YFZ350 Banshee |
| Yamaha | 1989 | YFZ350 Banshee |
| Yamaha | 1990 | YFZ350 Banshee |
| Yamaha | 1991 | YFZ350 Banshee |
| Yamaha | 1992 | YFZ350 Banshee |
| Yamaha | 1993 | YFZ350 Banshee |
| Yamaha | 1994 | YFZ350 Banshee |
| Yamaha | 1995 | YFZ350 Banshee |
| Yamaha | 1996 | YFZ350 Banshee |
| Yamaha | 1997 | YFZ350 Banshee |
| Yamaha | 1998 | YFZ350 Banshee |
| Yamaha | 1999 | YFZ350 Banshee |
| Yamaha | 2000 | YFZ350 Banshee |
| Yamaha | 2001 | YFZ350 Banshee |
| Yamaha | 2002 | YFZ350 Banshee |
| Yamaha | 2003 | YFZ350 Banshee |
| Yamaha | 2004 | YFZ350 Banshee |
| Yamaha | 2005 | YFZ350 Banshee |
| Yamaha | 2006 | YFZ350 Banshee |









