2Bros Parts

BOYESEN RAD VALVEKTM RAD-43X

$188.90

4.1 Trustpilot 99.9% positive on eBay

Delivery to United States 5–8 business days

Out of Stock

Boyesen Rad Valve RAD-43X features carbon fiber reeds for increased performance. It maintains flow velocity and redirects the intake charge for even distribution, resulting in sharper throttle response and added torque. This valve increases horsepower in all ranges. It is a one-piece aluminum casting.

Specifications
SKU
05-R43X
Brand
Boyesen
Availability
Out of Stock

Fitments (288)

MakeModelYear
KTM350 ALL1950
KTM350 ALL1951
KTM350 ALL1952
KTM350 ALL1953
KTM350 ALL1954
KTM350 ALL1955
KTM350 ALL1956
KTM350 ALL1957
KTM350 ALL1958
KTM350 ALL1959
KTM350 ALL1960
KTM350 ALL1961
KTM350 ALL1962
KTM350 ALL1963
KTM350 ALL1964
KTM350 ALL1965
KTM350 ALL1966
KTM350 ALL1967
KTM350 ALL1968
KTM350 ALL1969
KTM350 ALL1970
KTM350 ALL1971
KTM350 ALL1972
KTM350 ALL1973
KTM350 ALL1974
KTM350 ALL1975
KTM350 ALL1976
KTM350 ALL1977
KTM350 ALL1978
KTM350 ALL1979
KTM350 ALL1980
KTM350 ALL1981
KTM350 ALL1982
KTM350 ALL1983
KTM350 ALL1984
KTM350 ALL1985
KTM350 ALL1986
KTM350 ALL1987
KTM350 ALL1988
KTM350 ALL1989
KTM350 ALL1990
KTM350 ALL1991
KTM350 ALL1992
KTM350 ALL1993
KTM350 ALL1994
KTM350 ALL1995
KTM350 ALL1996
KTM350 ALL1997
KTM350 ALL1998
KTM350 ALL1999
KTM350 ALL2000
KTM350 ALL2001
KTM350 ALL2002
KTM350 ALL2003
KTM350 ALL2004
KTM350 ALL2005
KTM350 ALL2006
KTM350 ALL2007
KTM350 ALL2008
KTM350 ALL2009
KTM350 ALL2010
KTM350 ALL2011
KTM350 ALL2012
KTM350 ALL2013
KTM350 ALL2014
KTM350 ALL2015
KTM350 ALL2016
KTM350 ALL2017
KTM350 ALL2018
KTM350 ALL2019
KTM350 ALL2020
KTM350 ALL2021
KTM440 ALL1950
KTM440 ALL1951
KTM440 ALL1952
KTM440 ALL1953
KTM440 ALL1954
KTM440 ALL1955
KTM440 ALL1956
KTM440 ALL1957
KTM440 ALL1958
KTM440 ALL1959
KTM440 ALL1960
KTM440 ALL1961
KTM440 ALL1962
KTM440 ALL1963
KTM440 ALL1964
KTM440 ALL1965
KTM440 ALL1966
KTM440 ALL1967
KTM440 ALL1968
KTM440 ALL1969
KTM440 ALL1970
KTM440 ALL1971
KTM440 ALL1972
KTM440 ALL1973
KTM440 ALL1974
KTM440 ALL1975
KTM440 ALL1976
KTM440 ALL1977
KTM440 ALL1978
KTM440 ALL1979
KTM440 ALL1980
KTM440 ALL1981
KTM440 ALL1982
KTM440 ALL1983
KTM440 ALL1984
KTM440 ALL1985
KTM440 ALL1986
KTM440 ALL1987
KTM440 ALL1988
KTM440 ALL1989
KTM440 ALL1990
KTM440 ALL1991
KTM440 ALL1992
KTM440 ALL1993
KTM440 ALL1994
KTM440 ALL1995
KTM440 ALL1996
KTM440 ALL1997
KTM440 ALL1998
KTM440 ALL1999
KTM440 ALL2000
KTM440 ALL2001
KTM440 ALL2002
KTM440 ALL2003
KTM440 ALL2004
KTM440 ALL2005
KTM440 ALL2006
KTM440 ALL2007
KTM440 ALL2008
KTM440 ALL2009
KTM440 ALL2010
KTM440 ALL2011
KTM440 ALL2012
KTM440 ALL2013
KTM440 ALL2014
KTM440 ALL2015
KTM440 ALL2016
KTM440 ALL2017
KTM440 ALL2018
KTM440 ALL2019
KTM440 ALL2020
KTM440 ALL2021
KTM500 ALL1950
KTM500 ALL1951
KTM500 ALL1952
KTM500 ALL1953
KTM500 ALL1954
KTM500 ALL1955
KTM500 ALL1956
KTM500 ALL1957
KTM500 ALL1958
KTM500 ALL1959
KTM500 ALL1960
KTM500 ALL1961
KTM500 ALL1962
KTM500 ALL1963
KTM500 ALL1964
KTM500 ALL1965
KTM500 ALL1966
KTM500 ALL1967
KTM500 ALL1968
KTM500 ALL1969
KTM500 ALL1970
KTM500 ALL1971
KTM500 ALL1972
KTM500 ALL1973
KTM500 ALL1974
KTM500 ALL1975
KTM500 ALL1976
KTM500 ALL1977
KTM500 ALL1978
KTM500 ALL1979
KTM500 ALL1980
KTM500 ALL1981
KTM500 ALL1982
KTM500 ALL1983
KTM500 ALL1984
KTM500 ALL1985
KTM500 ALL1986
KTM500 ALL1987
KTM500 ALL1988
KTM500 ALL1989
KTM500 ALL1990
KTM500 ALL1991
KTM500 ALL1992
KTM500 ALL1993
KTM500 ALL1994
KTM500 ALL1995
KTM500 ALL1996
KTM500 ALL1997
KTM500 ALL1998
KTM500 ALL1999
KTM500 ALL2000
KTM500 ALL2001
KTM500 ALL2002
KTM500 ALL2003
KTM500 ALL2004
KTM500 ALL2005
KTM500 ALL2006
KTM500 ALL2007
KTM500 ALL2008
KTM500 ALL2009
KTM500 ALL2010
KTM500 ALL2011
KTM500 ALL2012
KTM500 ALL2013
KTM500 ALL2014
KTM500 ALL2015
KTM500 ALL2016
KTM500 ALL2017
KTM500 ALL2018
KTM500 ALL2019
KTM500 ALL2020
KTM500 ALL2021
KTM550 ALL1950
KTM550 ALL1951
KTM550 ALL1952
KTM550 ALL1953
KTM550 ALL1954
KTM550 ALL1955
KTM550 ALL1956
KTM550 ALL1957
KTM550 ALL1958
KTM550 ALL1959
KTM550 ALL1960
KTM550 ALL1961
KTM550 ALL1962
KTM550 ALL1963
KTM550 ALL1964
KTM550 ALL1965
KTM550 ALL1966
KTM550 ALL1967
KTM550 ALL1968
KTM550 ALL1969
KTM550 ALL1970
KTM550 ALL1971
KTM550 ALL1972
KTM550 ALL1973
KTM550 ALL1974
KTM550 ALL1975
KTM550 ALL1976
KTM550 ALL1977
KTM550 ALL1978
KTM550 ALL1979
KTM550 ALL1980
KTM550 ALL1981
KTM550 ALL1982
KTM550 ALL1983
KTM550 ALL1984
KTM550 ALL1985
KTM550 ALL1986
KTM550 ALL1987
KTM550 ALL1988
KTM550 ALL1989
KTM550 ALL1990
KTM550 ALL1991
KTM550 ALL1992
KTM550 ALL1993
KTM550 ALL1994
KTM550 ALL1995
KTM550 ALL1996
KTM550 ALL1997
KTM550 ALL1998
KTM550 ALL1999
KTM550 ALL2000
KTM550 ALL2001
KTM550 ALL2002
KTM550 ALL2003
KTM550 ALL2004
KTM550 ALL2005
KTM550 ALL2006
KTM550 ALL2007
KTM550 ALL2008
KTM550 ALL2009
KTM550 ALL2010
KTM550 ALL2011
KTM550 ALL2012
KTM550 ALL2013
KTM550 ALL2014
KTM550 ALL2015
KTM550 ALL2016
KTM550 ALL2017
KTM550 ALL2018
KTM550 ALL2019
KTM550 ALL2020
KTM550 ALL2021
General Product Group
Carburettor & Intake
General Product Type
Reeds - Valve
Variant Id
208801
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

BOYESEN RAD VALVE - RAD-43X

Enhance your motorcycle's performance with the BOYESEN RAD VALVE. This advanced intake manifold system is engineered for superior airflow and fuel distribution, delivering significant improvements across the entire RPM range.

Key Features:

  • Carbon Fiber Reeds: Equipped with high-performance carbon fiber reeds for increased power and responsiveness.
  • Optimized Flow Velocity: Designed to maintain airflow velocity and ensure more even distribution to the intake ports.
  • Sharper Throttle Response: Experience quicker and more precise throttle control.
  • Increased Torque: Gain improved performance for climbing hills, navigating corners, and tackling technical terrain.
  • Horsepower Gains: Boost horsepower in low, mid, and especially top-end power bands.
  • Durable Construction: Features a one-piece aluminum casting for robust durability, eliminating the need for trimming or plastic inserts.
Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).

Call us+44 330 133 3748
Email us[email protected]

Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.

Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.

Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.

More answers in our FAQ.

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Out of stock