Precision-machined from cast ironCompatible with no-lead fuel and accept any type of valve-stem materialMade in the U.S.A.
BrandModelYearSales nameCountry version
Harley DavidsonE 10001947ALL
Harley DavidsonE 10001946ALL
Harley DavidsonE 10001938ALL
Harley DavidsonE 10001937ALL
Harley DavidsonE..
Precision-machined from cast ironCompatible with no-lead fuel and accept any type of valve-stem materialMade in the U.S.A.
BrandModelYearSales nameCountry version
Harley DavidsonE 10001947ALL
Harley DavidsonE 10001946ALL
Harley DavidsonE 10001938ALL
Harley DavidsonE 10001937ALL
Harley DavidsonE..
These high quality replacement springs have been designed to exceeds the OEM specifications by fitting precisely on the spring shoulder diameter of both the OEM retainers, and KPMI® H.T. Steel retainersThis kit also includes H.T. Steel basewashers in order to achieve a precision fitment on the large..
Made in the U.S.A.Pistons, rings, valves and pin clips in this kit are designed to work as a system, they are NOT COMPATIBLE with the OEM components and should ONLY be used as a kit.
BrandModelYearSales nameCountry version
YAMAHAYZ 250 F2017EUROPE
YAMAHAYZ 250 F2017AMERICA
YAMAHAYZ 250 F2016EUR..
The only safe way to maximize compression; the valve reliefs in the piston are purposely convex and match the geometry of the dishes in the valvesConversion to Black Diamond™ stainless steel valves offers up to twice the life of the stock titanium valvesNo loss in performanceKit includes: piston, ri..
For use with intake and exhaust valve guidesRetain their ability to seal in adverse conditionsPTFE seals feature a metal jacket with choker springMade in the U.S.A.
BrandModelYearSales nameCountry version
Harley DavidsonFLH 13401984Electra Glide Belt DriveALL
Harley DavidsonFLHR 13401998Road Ki..
Designed to out-perform and outlast the factory valve springsKit features lightweight, high-strength CrSi valve springs, H.T. steel base washers and titanium spring retainersComplete kit, everything you need to for a complete valve spring swap
BrandModelYearSales nameCountry version
SUZUKIGS 50..
Designed to out-perform and outlast the factory valve springsKit features lightweight, high-strength CrSi valve springs, H.T. steel base washers and titanium spring retainersComplete kit, everything you need to for a complete valve spring swap
BrandModelYearSales nameCountry version
SUZUKIGSX-R..