APE is a leading supplier of high performance and racing valves for motorcycles. APE stainless steel*** valves are precision manufactured from aircraft quality Inconel based stainless steel***. This special material offers excellent resistance to heat and distortion. APE stainless steel *** valves are designed to be used in the most extreme racing applications including the use of exotic fuels, or will give many miles of trouble free street use. They present an outstanding value. In most cases you can upgrade to APE stainless steel*** valves for less than the cost of replacement stock valves. All oversize stainless steel valves feature hard chrome stems for extra long stem to guide life.

Price Key

$24.96
$27.95

Call or email for titanium pricing.

Contact us: HERE

***These valves are a very high tensile strength SAE HNV3 steel, used because the factory seats on these models are too hard to get good valve face life with stainless steel


For valve lash shim kits, click here.

KAWASAKI VALVES SUZUKI VALVES YAMAHA VALVES

Honda CRF 250R (2004/2007)
PART NO. TYPE HEAD DIA. O.A. LENGTH DESCRIPTION
98329 Exhaust 26mm 82.15mm Std size / 4.97 stem
98330 Exhaust 27mm 82.15mm 1mm O.S. / 4.97 stem
98331 Intake 31.1mm 83.40mm Std size / 4.98 stem
98332*** Intake 32.1mm 83.40mm 1mm O.S. / 4.98 stem

Honda XR 250R (1996/1999)
PART NO. TYPE HEAD DIA. O.A. LENGTH DESCRIPTION
98127 Exhaust 23.5mm 95.63mm Std size / 4.95 stem
98128 Exhaust 24.5mm 95.63mm 1mm O.S. / 4.95 stem
98129 Intake 28.5mm 96.58mm Std size / 4.97 stem
98130 Intake 29.5mm 96.58mm 1mm O.S. / 4.97 stem

Honda XR 400R (1996/1999)
Honda TRX 400EX Quad (1999)
PART NO. TYPE HEAD DIA. O.A. LENGTH DESCRIPTION
98131 Exhaust 29mm 101mm Std size / 5.45 stem
98132 Exhaust 30mm 101mm 1mm O.S. / 5.45 stem
98133 Intake 33mm 102.64mm Std size / 5.47 stem
98134 Intake 34mm 102.64mm 1mm O.S. / 5.47 stem

Honda CRF 450R (2002-2008) - TRX450R (2004-2009) - INTAKE
PART NO. TYPE HEAD DIA. O.A. LENGTH DESCRIPTION
98305*** Intake 36mm 84.6mm Std size / 5.49mm stem
98304 Intake 37mm 84.6mm 1mm O.S. / 5.49mm stem

Honda CRF 450R (2002-2006) - EXHAUST
PART NO. TYPE HEAD DIA. O.A. LENGTH DESCRIPTION
98308 Exhaust 31mm 84.25mm Std size / 4.965mm stem
98299 Exhaust 32mm 84.25mm Oversize / 4.97mm stem


Honda CRF 450R (2007-2008) - EXHAUST
PART NO. TYPE HEAD DIA. O.A. LENGTH DESCRIPTION
98801 Exhaust 30mm 84.25mm Std size

Honda CRF 450 (2002/2004) - Motocross - TITANIUM
98409 Intake 37mm 84.63mm 1mm O.S. / 5.48mm stem
98408 Intake 38mm 84.63mm 2mm O.S. / 5.48mm stem
98410 Intake 36mm 84.63mm Std size / 5.48mm stem

Honda TRX 450 (2004/2009)
PART NO. TYPE HEAD DIA. O.A. LENGTH DESCRIPTION
98339 ('04-'05) Exhaust 30mm 84.27mm Std size / 5.49mm stem
98340 ('04-'05) Exhaust 31mm 84.27mm 1mm O.S. / 5.49mm stem
98248 Intake 36mm 84.6mm NA
98305*** Intake 36mm 84.6mm Std size / 5.49mm stem
98304 Intake 37mm 84.6mm 1mm O.S. / 5.49mm stem

Honda TRX 450 (2004/2005) TITANIUM
98410 Intake 36mm 84.63mm Std size / 5.48mm stem
98309 Intake 37mm 84.63mm 1mm O.S. / 5.48mm stem
98408 Intake 38mm 84.63mm 2mm O.S. / 5.48mm stem

Honda XR 500R (1981/1984)
PART NO. TYPE HEAD DIA. O.A. LENGTH DESCRIPTION
98321 Exhaust 30.10mm 89.90mm Std size / 6.55 stem
98322 Exhaust 31.10mm 89.90mm 1mm O.S. / 6.55 stem
98323 Intake 35mm 91.10mm Std size / 6.57 stem
98324 Intake 36mm 91.10mm 1mm O.S. / 6.57 stem

Honda XL600R (1983/1987)
Honda XR 600R (1985/1999)
PART NO. TYPE HEAD DIA. O.A. LENGTH DESCRIPTION
98135 Exhaust 31mm 104.31mm Std size / 6.55 stem
98136 Exhaust 32mm 104.31mm 1mm O.S. / 6.55 stem
98137 Intake 36mm 105.69mm Std size / 6.57 stem
98138 Intake 37mm 105.69mm 1mm O.S. / 6.57 stem

Honda NX 650 (1988/1989)
Honda XR 650L (1993/1999)
PART NO. TYPE HEAD DIA. O.A. LENGTH DESCRIPTION
98135 Exhaust 31mm 104.31mm Std size / 6.55 stem
98136 Exhaust 32mm 104.31mm 1mm O.S. / 6.55 stem
98137 Intake 36mm 105.69mm Std size / 6.57 stem
98138 Intake 37mm 105.69mm 1mm O.S. / 6.57 stem

Kawasaki 250 (2004) - Motocross - TITANIUM
PART NO. TYPE HEAD DIA. O.A. LENGTH DESCRIPTION
98412 Exhaust 25mm 79.1mm Std size / 4.46 stem
98414 Exhaust 26mm 79.1mm 1mm O.S. / 4.46 stem
98411 Intake 31mm 78.93mm Std size / 4.48 stem
98413 Intake 32mm 78.93mm 1mm O.S. / 4.48 stem

Kawasaki KFX250 (2004/2005)
PART NO. TYPE HEAD DIA. O.A. LENGTH DESCRIPTION
98333 Exhaust 20mm 79.1mm Std size / 4.46 stem
98334 Intake 23mm 79.1mm 1mm O.S. / 4.46 stem
98335 Intake 31mm 78.93mm Std size / 4.48 stem
98336 Exhaust/Intake 36mm 78.93mm 1mm O.S. / 4.48 stem

Suzuki 250 (2004) - Motocross - TITANIUM
PART NO. TYPE HEAD DIA. O.A. LENGTH DESCRIPTION
98412 Exhaust 25mm 79.1mm Std size / 4.46 stem
98414 Exhaust 26mm 79.1mm 1mm O.S. / 4.46 stem
98411 Intake 31mm 78.93mm Std size / 4.48 stem
98413 Intake 32mm 78.93mm 1mm O.S. / 4.48 stem

Suzuki RMZ250 (2004-2005) - Motocross
PART NO. TYPE HEAD DIA. O.A. LENGTH DESCRIPTION
98333 Exhaust 20mm 79.1mm Std size / 4.46 stem
98334 Intake 23mm 79.1mm 1mm O.S. / 4.46 stem
98335 Intake 31mm 78.93mm Std size / 4.48 stem
98336 Exhaust/Intake 36mm 78.93mm 1mm O.S. / 4.48 stem

Suzuki DRZ 400 (2002 - 2003)
PART NO. TYPE HEAD DIA. O.A. LENGTH DESCRIPTION
98217 Exhaust 29mm 81.75mm Std size / 4.96 stem
98218 Exhaust 30mm 81.75mm 1mm O.S. / 4.96 stem
98215 Intake 36mm 82.65mm Std size / 4.98 stem
98216 Intake 37mm 82.65mm 1mm O.S. / 4.98 stem

Yamaha YFM 80 - Raptor (2002-2004) - Motocross
PART NO. TYPE HEAD DIA. O.A. LENGTH DESCRIPTION
98225 Exhaust 20mm 64.75mm -
98224 Intake 23mm 65.35mm -


Yamaha YZF YZ 400F (1999) - 5 VALVE ENGINE
PART NO. TYPE HEAD DIA. O.A. LENGTH DESCRIPTION
98165 Exhaust 27.96mm 82.02mm Std size / 4.95mm stem
98166 Exhaust 28.96mm 82.02mm 1mm o.s. - 2 required/ 4.95mm stem
98167 Intake 26.96mm 82.28mm Std. size / 4.48mm stem
98169 Intake 26.99mm 84.28mm Std size - 2 required/ 4.48mm stem
98168 Intake 27.96mm 83.28mm 1mm O.S. / 4.48mm stem
98170 Intake 27.99mm 84.28mm 1mm O.S. - 2 required / 4.48mm stem