Racing Valve Spring Kit
$397.95
30-30720
All PRODUCTS
Engine
New Products
KPMI® valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI® valve springs are heat-treated, stress relieved, and shot peened to insure...
Racing Valve Spring Kit
$397.95
30-30920
All PRODUCTS
Engine
New Products
KPMI® valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI® valve springs are heat-treated, stress relieved, and shot peened to insure...
Racing Valve Spring Kit
$397.95
30-31600
All PRODUCTS
Engine
New Products
KPMI® valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI® valve springs are heat-treated, stress relieved, and shot peened to insure...
Racing Valve Spring Kit
$398.95
30-32800
All PRODUCTS
Engine
New Products
KPMI® valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI® valve springs are heat-treated, stress relieved, and shot peened to insure...
Racing Valve Spring Kit
$413.95
40-40100
All PRODUCTS
Engine
New Products
KPMI® valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI® valve springs are heat-treated, stress relieved, and shot peened to insure...
Racing Valve Spring Kit
$397.95
40-40700
All PRODUCTS
Engine
New Products
KPMI® valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI® valve springs are heat-treated, stress relieved, and shot peened to insure...
Racing Valve Spring Kit
$413.95
40-40660
All PRODUCTS
Engine
New Products
KPMI® valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI® valve springs are heat-treated, stress relieved, and shot peened to insure...
Racingvalve Spring Kit
$414.95
40-41400
All PRODUCTS
Engine
New Products
KPMI® valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI® valve springs are heat-treated, stress relieved, and shot peened to insure...
Racing Valve Spring Kit
$317.95
60-60045
All PRODUCTS
Engine
New Products
KPMI® valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI® valve springs are heat-treated, stress relieved, and shot peened to insure...
Racing Valve Spring Kit
$413.95
60-60280
All PRODUCTS
Engine
New Products
KPMI® valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI® valve springs are heat-treated, stress relieved, and shot peened to insure...
Racing Valve Spring Kit
$413.95
60-60700
All PRODUCTS
Engine
KPMI® valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI® valve springs are heat-treated, stress relieved, and shot peened to insure...
Racing Valve Spring Kit
$397.95
80-80750
All PRODUCTS
Engine
New Products
KPMI® valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI® valve springs are heat-treated, stress relieved, and shot peened to insure...
Racing Valve Spring Kit
$262.95
80-8000
All PRODUCTS
Engine
KPMI® valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI® valve springs are heat-treated, stress relieved, and shot peened to insure...
Racing Valve Spring Kit
$357.95
80-80030
All PRODUCTS
Engine
KPMI® valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI® valve springs are heat-treated, stress relieved, and shot peened to insure...
Racing Valve Spring Kit
$341.95
80-80410
All PRODUCTS
Engine
New Products
KPMI® valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI® valve springs are heat-treated, stress relieved, and shot peened to insure...
Racing Valve Spring Kit
$414.95
80-81400
All PRODUCTS
Engine
KPMI® valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI® valve springs are heat-treated, stress relieved, and shot peened to insure...
Racing Valve Spring Kit Yam
$414.95
80-82300
All PRODUCTS
Engine
New Products
KPMI® valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI® valve springs are heat-treated, stress relieved, and shot peened to insure...
Racing Valve Spring Kit
$361.95
96-96000
All PRODUCTS
Engine
New Products
KPMI® valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI® valve springs are heat-treated, stress relieved, and shot peened to insure...
Racing Valve Spring Kit
$192.95
96-96250
All PRODUCTS
Engine
KPMI® valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI® valve springs are heat-treated, stress relieved, and shot peened to insure...
Spring Kit Replacement 0.415 Lift Shovelhead '66 83
$260.95
20-20435
All PRODUCTS
Engine
HARLEY SHOVELHEAD PARTS
Wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI valve springs are heat-treated, stress relieved and shot peened to insure maximum performance and life....
Valve Spring Kit Kibblewhite Hd .600 Lift Twin Cam 88"
$318.95
20-20132
All PRODUCTS
Engine
New Products
Wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI valve springs are heat-treated, stress relieved and shot peened to insure maximum performance and life....
Valve Spring Kit Kibblewhite Hd .600 Lift Twin Cam 88 103"
$310.95
20-20364
All PRODUCTS
Engine
New Products
Wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI valve springs are heat-treated, stress relieved and shot peened to insure maximum performance and life....
Spring Kit .600 Lift Hd Twin Cam
$495.95
20-20122
All PRODUCTS
Engine
Wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI valve springs are heat-treated, stress relieved and shot peened to insure maximum performance and life....
Spring Kit 0.600" Lift Hd Shovelhead '66 83
$273.95
20-20450
All PRODUCTS
Engine
HARLEY SHOVELHEAD PARTS
Wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI valve springs are heat-treated, stress relieved and shot peened to insure maximum performance and life....
Spring Kit .600 Lift Tc '05 10 Evo Sportster '04 11
$451.95
20-20360
All PRODUCTS
Engine
HARLEY SPORTSTER PARTS
New Products
Wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI valve springs are heat-treated, stress relieved and shot peened to insure maximum performance and life....
Sprng Kit .610 Lift Evo 84 99 Tc '99 04 5/16 Stem Valves
$367.95
20-21300
All PRODUCTS
Engine
New Products
Wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI valve springs are heat-treated, stress relieved and shot peened to insure maximum performance and life....
Spring Kit .610 Lift Hd Tc
$367.95
20-21400
All PRODUCTS
Engine
New Products
Wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI valve springs are heat-treated, stress relieved and shot peened to insure maximum performance and life....
Exhaust Spigot Hd Panhead
$133.95
20-2104
All PRODUCTS
Engine
New Products
Features: Replacement exhaust spigot has been designed and machined from 6061-T6 Aluminum extruded tubing This spigot allows you to rebuild the exhaust attachment point...
Intake Valve Spring Kit
$373.95
30-31200
All PRODUCTS
Engine
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...
Intake Valve Spring Kit
$367.95
30-31210
All PRODUCTS
Engine
New Products
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...
Ss Intake Valve/Spring Kit
$367.95
30-32780
All PRODUCTS
Engine
New Products
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...
Intake Valve/Spring Kit Stainless Steel
$367.95
30-33200
All PRODUCTS
Engine
New Products
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...
Intake Valve Spring Kit
$367.95
40-40350
All PRODUCTS
Engine
New Products
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...
Intake Valve/Spring Kit Stainless Steel Yam
$349.95
80-82350
All PRODUCTS
Engine
New Products
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...
Intake Valve/Spring Kit Stainless Steel
$412.95
96-96450
All PRODUCTS
Engine
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...
Intake Valve Guide (Bronze)
$139.95
30-30610
All PRODUCTS
Engine
New Products
We choose to use C630 nickel bronze as a material to make valve guides because of its ideal characteristics for the application. The 5...
