The Hot Cams 8400038-1 Exhaust Valve Steel is a durable replacement valve designed for select Beta and KTM 4-stroke engines. Manufactured by Hot Cams, this exhaust valve is built to meet or exceed original equipment manufacturer specifications and standards, making it a dependable choice for engine service, repair, or performance maintenance.
Forged construction provides strength and durability under demanding operating conditions, while precision machining supports accurate fit and consistent valve-train operation. The valve is compatible with OEM keepers and retainers, helping simplify installation when servicing the cylinder head with original equipment components.
This Hot Cams exhaust valve fits 2008–2009 Beta 400 RR, 2008–2009 Beta 450 RR, 2008–2009 Beta 525 RR, 2008–2010 KTM 450 XC ATV, and the 2007 KTM 400 XC-W 4-Stroke. Verify the application and engine configuration before installation to ensure proper fitment. Manufacturer part number and vendor part number: 8400038-1.
Features:
- Forged steel construction for dependable strength and service life
- Precision machined for accurate fit and consistent operation
- Compatible with OEM keepers and retainers
- Designed and manufactured to meet or exceed OEM specifications and standards
- Fits select Beta and KTM 4-stroke applications
Fitment:
2000 KTM 400 EXC 4-Stroke
2000 KTM 400 SX 4-Stroke
2001 KTM 400 EXC 4-Stroke
2001 KTM 400 MXC 4-Stroke
2001 KTM 400 SX 4-Stroke
2001 KTM 520 EXC 4-Stroke
2001 KTM 520 MXC 4-Stroke
2001 KTM 520 SX 4-Stroke
2001 KTM 540 SXS
2002 KTM 400 EXC 4-Stroke
2002 KTM 400 MXC 4-Stroke
2002 KTM 400 SX 4-Stroke
2002 KTM 520 EXC 4-Stroke
2002 KTM 520 MXC 4-Stroke
2002 KTM 540 SXS
2003 KTM 450 EXC-F
2003 KTM 450 MXC 4-Stroke
2003 KTM 450 SX-F
2003 KTM 450 SXS 4-Stroke
2003 KTM 525 EXC 4-Stroke
2003 KTM 525 MXC 4-Stroke
2003 KTM 525 SX 4-Stroke
2003 KTM 540 SXS
2004 KTM 400 EXC 4-Stroke
2004 KTM 400 EXC-G Racing
2004 KTM 450 EXC-F
2004 KTM 450 MXC 4-Stroke
2004 KTM 525 EXC 4-Stroke
2004 KTM 525 MXC 4-Stroke
2004 KTM 525 SX 4-Stroke
2004 KTM 540 SXS
2005 Beta 400 RR
2005 Beta 450 RR
2005 Beta 525 RR
2005 KTM 400 EXC 4-Stroke
2005 KTM 400 EXC-G Racing
2005 KTM 450 EXC-F
2005 KTM 525 EXC 4-Stroke
2005 KTM 525 SX 4-Stroke
2006 Beta 400 RR
2006 Beta 450 RR
2006 Beta 525 RR
2006 KTM 400 EXC 4-Stroke
2006 KTM 400 EXC-G Racing
2006 KTM 450 EXC-F
2006 KTM 525 EXC 4-Stroke
2006 KTM 525 SX 4-Stroke
2006 KTM 525 XC-G 4-Stroke
2007 Beta 400 RR
2007 Beta 450 RR
2007 Beta 525 RR
2007 KTM 400 EXC-G Racing
2007 KTM 400 XC-W 4-Stroke
2007 KTM 450 EXC-F
2007 KTM 450 XC-F
2007 KTM 450 XCF-W
2007 KTM 525 EXC 4-Stroke
2007 KTM 525 XC-G 4-Stroke
2007 KTM 525 XC-W 4-Stroke
2007 Polaris Outlaw 525 Irs
2008 Beta 400 RR
2008 Beta 450 RR
2008 Beta 525 RR
2008 KTM 450 XC ATV
2008 KTM 525 XC ATV
2008 Polaris Outlaw 450 Mxr
2008 Polaris Outlaw 525 Irs
2008 Polaris Outlaw 525 S
2009 Beta 400 RR
2009 Beta 450 RR
2009 Beta 525 RR
2009 KTM 450 XC ATV
2009 KTM 525 XC ATV
2009 Polaris Outlaw 450 Mxr
2009 Polaris Outlaw 525 Irs
2009 Polaris Outlaw 525 S
2010 KTM 450 XC ATV
2010 KTM 525 XC ATV
2010 Polaris Outlaw 450 Mxr
2010 Polaris Outlaw 525 Irs
2010 Polaris Outlaw 525 S
2011 Polaris Outlaw 525 Irs