INTAKE VALVE SPRING KIT
Item: 191-41001
Brand : KPMI
Your Price: $189.95
INTAKE VALVE SPRING KIT
191-41001
Weight: 0.42 lbs
Package Dimensions: 4.9 x 8.15 x 2.3
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
INTAKE VALVE SPRING KIT
Item: 191-41003
Brand : KPMI
Your Price: $184.95
INTAKE VALVE SPRING KIT
191-41003
Weight: 0.47 lbs
Package Dimensions: 7.9 x 4.75 x 2.3
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
INTAKE VALVE SPRING KIT
Item: 191-42001
Brand : KPMI
Your Price: $184.95
INTAKE VALVE SPRING KIT
191-42001
Weight: 0.4 lbs
Package Dimensions: 4.9 x 8.2 x 2.3
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
SS INTAKE VALVE/SPRING KIT
Item: 191-41008
Brand : KPMI
Your Price: $184.95
SS INTAKE VALVE/SPRING KIT
191-41008
Weight: 0.44 lbs
Package Dimensions: 8 x 5 x 1
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
Product fitment
Honda
2019
CRF450R
CRF450R W.E.
CRF450RX
2020
CRF450R
CRF450R W.E.
CRF450RX
2021
CRF450R
CRF450R W.E.
CRF450RX
INTAKE VALVE/SPRING KIT STAINLESS STEEL
Item: 191-41009
Brand : KPMI
Your Price: $184.95
INTAKE VALVE/SPRING KIT STAINLESS STEEL
191-41009
Weight: 0.44 lbs
Package Dimensions: 8 x 5 x 1
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
INTAKE VALVE/SPRING KIT STAINLESS STEEL
Item: 191-41010
Brand : KPMI
Your Price: $184.95
The product is out of stock
INTAKE VALVE/SPRING KIT STAINLESS STEEL
191-41010
Weight: 0.44 lbs
Package Dimensions: 8 x 5 x 1
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
Product fitment
Honda
2006
TRX450ER Electric Start
TRX450R
2007
TRX450ER Electric Start
TRX450R
2008
TRX450ER Electric Start
TRX450R
2009
TRX450ER Electric Start
TRX450R
2012
TRX450ER Electric Start
TRX450R
2013
TRX450ER Electric Start
TRX450R
2014
TRX450ER Electric Start
TRX450R
INTAKE VALVE SPRING KIT
Item: 191-43004
Brand : KPMI
Your Price: $184.95
The product is out of stock
INTAKE VALVE SPRING KIT
191-43004
Weight: 0.38 lbs
Package Dimensions: 5 x 8 x 1
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
INTAKE VALVE/SPRING KIT STAINLESS STEEL YAM
Item: 191-44006
Brand : KPMI
Your Price: $172.95
The product is out of stock
INTAKE VALVE/SPRING KIT STAINLESS STEEL YAM
191-44006
Weight: 0.36 lbs
Package Dimensions: 8 x 6 x 2.25
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
INTAKE VALVE/SPRING KIT STAINLESS STEEL
Item: 191-45003
Brand : KPMI
Your Price: $218.95
The product is out of stock
INTAKE VALVE/SPRING KIT STAINLESS STEEL
191-45003
Weight: 0.45 lbs
Package Dimensions: 4.65 x 8.25 x 1.4
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
Product fitment
KTM
2008
250 SX-F
250 SXS-F
250 XC-F
250 XCF-W
2009
250 SX-F
250 XC-F
250 XCF-W
SS INTAKE VALVE/SPRING KIT
Item: 191-42004
Brand : KPMI
Your Price: $184.95
The product is out of stock
SS INTAKE VALVE/SPRING KIT
191-42004
Weight: 0.4 lbs
Package Dimensions: 8 x 5 x 1
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
INTAKE VALVE/SPRING KIT
Item: 191-41007
Brand : KPMI
Your Price: $190.95
The product is out of stock
INTAKE VALVE/SPRING KIT
191-41007
Weight: 0.43 lbs
Package Dimensions: 8 x 5 x 1
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
INTAKE VALVE SPRING KIT
Item: 191-41002
Brand : KPMI
Your Price: $189.95
The product is out of stock
INTAKE VALVE SPRING KIT
191-41002
Weight: 0.44 lbs
Package Dimensions: 4.9 x 7.75 x 2.45
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
INTAKE VALVE SPRING KIT
Item: 191-41004
Brand : KPMI
Your Price: $184.95
The product is out of stock
INTAKE VALVE SPRING KIT
191-41004
Weight: 0.47 lbs
Package Dimensions: 4.95 x 7.75 x 2.45
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
INTAKE VALVE SPRING KIT
Item: 191-41006
Brand : KPMI
Your Price: $184.95
The product is out of stock
INTAKE VALVE SPRING KIT
191-41006
Weight: 0.35 lbs
Package Dimensions: 4.8 x 7.45 x 2.3
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
INTAKE VALVE SPRING KIT
Item: 191-41005
Brand : KPMI
Your Price: $184.95
The product is out of stock
INTAKE VALVE SPRING KIT
191-41005
Weight: 0.45 lbs
Package Dimensions: 7.65 x 4.8 x 1.4
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
INTAKE VALVE/SPRING KIT TENSILITE TI
Item: 191-44005
Brand : KPMI
Your Price: $261.95
The product is out of stock
INTAKE VALVE/SPRING KIT TENSILITE TI
191-44005
Weight: 0.36 lbs
Package Dimensions: 5 x 8 x 1
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
INTAKE VALVE SPRING KIT
Item: 191-42002
Brand : KPMI
Your Price: $184.95
The product is out of stock
INTAKE VALVE SPRING KIT
191-42002
Weight: 0.45 lbs
Package Dimensions: 6 x 8 x 2.25
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
INTAKE VALVE SPRING KIT
Item: 191-42003
Brand : KPMI
Your Price: $184.95
The product is out of stock
INTAKE VALVE SPRING KIT
191-42003
Weight: 0.37 lbs
Package Dimensions: 4.8 x 7.65 x 2.3
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
INTAKE VALVE SPRING KIT
Item: 191-43001
Brand : KPMI
Your Price: $184.95
The product is out of stock
INTAKE VALVE SPRING KIT
191-43001
Weight: 0.42 lbs
Package Dimensions: 4.9 x 7.85 x 2.5
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
INTAKE VALVE SPRING KIT
Item: 191-43002
Brand : KPMI
Your Price: $184.95
The product is out of stock
INTAKE VALVE SPRING KIT
191-43002
Weight: 0.39 lbs
Package Dimensions: 6 x 8 x 2.25
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
INTAKE VALVE SPRING KIT
Item: 191-43003
Brand : KPMI
Your Price: $184.95
The product is out of stock
INTAKE VALVE SPRING KIT
191-43003
Weight: 0.46 lbs
Package Dimensions: 4.85 x 8.2 x 2.3
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
INTAKE VALVE/SPRING KIT STAINLESS STEEL
Item: 191-43005
Brand : KPMI
Your Price: $184.95
The product is out of stock
INTAKE VALVE/SPRING KIT STAINLESS STEEL
191-43005
Weight: 0.5 lbs
Package Dimensions: 4.9 x 7.85 x 2.45
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
INTAKE VALVE/SPRING KIT STAINLESS STEEL
Item: 191-44001
Brand : KPMI
Your Price: $303.95
The product is out of stock
INTAKE VALVE/SPRING KIT STAINLESS STEEL
191-44001
Weight: 0.38 lbs
Package Dimensions: 5 x 8 x 1
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
INTAKE VALVE/SPRING KIT STAINLESS STEEL
Item: 191-45004
Brand : KPMI
Your Price: $260.95
The product is out of stock
INTAKE VALVE/SPRING KIT STAINLESS STEEL
191-45004
Weight: 0.48 lbs
Package Dimensions: 4.9 x 7.15 x 2.5
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
INTAKE VALVE/SPRING KIT STAINLESS STEEL
Item: 191-45002
Brand : KPMI
Your Price: $184.95
The product is out of stock
INTAKE VALVE/SPRING KIT STAINLESS STEEL
191-45002
Weight: 0.45 lbs
Package Dimensions: 5 x 8 x 1
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
Product fitment
KTM
2006
250 SX-F
250 SXS-F
250 XCF-W
2007
250 SX-F
250 SXS-F
250 XC-F
250 XCF-W
INTAKE VALVE/SPRING KIT STAINLESS STEEL
Item: 191-44002
Brand : KPMI
Your Price: $303.95
The product is out of stock
INTAKE VALVE/SPRING KIT STAINLESS STEEL
191-44002
Weight: 0.42 lbs
Package Dimensions: 6 x 8 x 2.25
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
Product fitment
Yamaha
2006
WR450F
YFZ450
YFZ450 Bill Balance Edition
YZ450F
2007
WR450F
YFZ450
YFZ450 Bill Balance Edition
YFZ450 SE
YZ450F
2008
WR450F
YFZ450
YFZ450 SE
YZ450F
2009
WR450F
YFZ450
YFZ450R
YFZ450R SE
YZ450F
2010
WR450F
YFZ450R
YFZ450R SE
YFZ450X
YFZ450X Bill Ballance
2011
WR450F
YFZ450R
YFZ450R SE
YFZ450X
YFZ450X SE
2012
WR450F
YFZ450R
YFZ450R SE
2013
WR450F
YFZ450R
YFZ450R SE
2014
WR450F
YFZ450R
YFZ450R SE
2015
WR450F
YFZ450R
YFZ450R SE
INTAKE VALVE SPRING KIT
Item: 191-45001
Brand : KPMI
Your Price: $184.95
The product is out of stock
INTAKE VALVE SPRING KIT
191-45001
Weight: 0.6 lbs
Package Dimensions: 4.8 x 8.2 x 1.45
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
Product fitment
KTM
2000
400 EXC 4-Stroke
400 Lc4
400 SC 4-Stroke
400 SX 4-Stroke
400 SXC 4-Stroke
520 EXC 4-Stroke
520 MXC 4-Stroke
520 SX 4-Stroke
540 SXC 4-Stroke
2001
400 EXC 4-Stroke
400 Lc4
400 MXC 4-Stroke
400 SX 4-Stroke
520 EXC 4-Stroke
520 MXC 4-Stroke
520 SX 4-Stroke
540 SXC 4-Stroke
2002
400 EXC 4-Stroke
400 MXC 4-Stroke
400 SX 4-Stroke
520 EXC 4-Stroke
520 MXC 4-Stroke
520 SX 4-Stroke
540 SXC 4-Stroke
2003
400 EXC 4-Stroke
450 EXC-F
450 MXC 4-Stroke
450 SX-F
450 SXS 4-Stroke
525 EXC 4-Stroke
525 MXC 4-Stroke
525 SX 4-Stroke
540 SXC 4-Stroke
2004
400 EXC 4-Stroke
450 EXC-F
450 MXC 4-Stroke
450 SM-S 4-Stroke
450 SX-F
450 SXS 4-Stroke
525 EXC 4-Stroke
525 MXC 4-Stroke
525 SMR 4-Stroke
525 SX 4-Stroke
540 SXC 4-Stroke
2005
400 EXC 4-Stroke
450 EXC-F
450 MXC 4-Stroke
450 SMR 4-Stroke
450 SX-F
450 SXS 4-Stroke
525 EXC 4-Stroke
525 MXC 4-Stroke
525 SMR 4-Stroke
525 SX 4-Stroke
540 SXC 4-Stroke
2006
400 EXC 4-Stroke
450 SMR 4-Stroke
450 SX-F
450 SXS 4-Stroke
450 XC-F
450 XCF-W
525 EXC 4-Stroke
525 EXC-G Racing
525 SMR 4-Stroke
525 SX 4-Stroke
525 XC-G 4-Stroke
540 SXC 4-Stroke
560 SMR 4-Stroke
2007
400 XC-W 4-Stroke
450 SMR 4-Stroke
450 SX-F
450 SXS 4-Stroke
450 XC-F
450 XCF-W
525 EXC-G Racing
525 XC-G 4-Stroke
525 XC-W 4-Stroke
560 SMR 4-Stroke
2008
450 EXC-R 4-Stroke
450 SMR 4-Stroke
450 SX-F
450 SXS 4-Stroke
450 XC-F
450 XCF-W
505 Sx-F
505 Xc-F
530 EXC-R 4-Stroke
530 XC-W 4-Stroke
560 SMR 4-Stroke
2009
400 XC-W 4-Stroke
450 EXC-R 4-Stroke
450 SMR 4-Stroke
450 SX-F
450 XC-F
450 XCF-W
505 Xc-F
530 EXC-R 4-Stroke
530 XC-W 4-Stroke
INTAKE VALVE/SPRING KIT STAINLESS STEEL
Item: 191-44003
Brand : KPMI
Your Price: $184.95
The product is out of stock
INTAKE VALVE/SPRING KIT STAINLESS STEEL
191-44003
Weight: 0.5 lbs
Package Dimensions: 5 x 8 x 1
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
INTAKE VALVE/SPRING KIT STAINLESS STEEL
Item: 191-44004
Brand : KPMI
Your Price: $184.95
The product is out of stock
INTAKE VALVE/SPRING KIT STAINLESS STEEL
191-44004
Weight: 0.49 lbs
Package Dimensions: 4.85 x 8.25 x 2.25
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
SS INTAKE VALVE/SPRING KIT
Item: 191-45005
Brand : KPMI
Your Price: $198.95
The product is out of stock
SS INTAKE VALVE/SPRING KIT
191-45005
Weight: 0.53 lbs
Package Dimensions: 8 x 5 x 2.25
KPMI`s Intake Only Kits have been designed as a stainless steel valve conversion system to replace factory titanium intake valves and components. KPMI’s engineers use our proprietary design and simulation softwares to create these systems. Our design, simulation, and manufacturing processes insure compatibility of the valve spring’s force and natural frequency with the cam profile, the mass of the system, and the engine RPM. Literally thousands of riders have converted to these kits to extend the life of their intake valves.
