Top End

Progressively wound springs using Kobe super-clean, chrome silicon-based wire that is heat treated and shot peenedTight-tolerance, FEA-designed hardened steel Posi-Loc? style upper retainers to ensure correct assembly height and resist keeper "pull...

Titanium retainers are made from 6AL4V titanium alloy; designed to be the strongest and lightest for ultimate performanceAll components made in the U.S.A. Suzuki -- GSX-R 1000 -- (2006, 2005, 2007, 2008)

Extensive R&D on all applications to provide high-performance components that last longer than OEMTitanium retainers are made from 6AL4V titanium alloy; designed to be the strongest and lightest for ultimate performanceKeepers not included; use OEM...

All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistanceMade in the U.S.A. Suzuki -- RM-Z 450 -- (2008, 2009, 2010, 2012, 2013, 2011, 2016,...

All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistanceMade in the U.S.A. Suzuki -- RM-Z 450 -- (2007)

All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistanceKeepers are not includedMade in the U.S.A. Suzuki -- GSX-R 1000 -- (2006, 2005, 2007,...

Extensive R&D on all applications to provide high-performance components that last longer than OEMSuper-clean silicon wire used in valve springs is ground, not shaved, and X-rayed at regular intervals to check for flawsAll components made in the U.S.A...

All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistanceMade in the U.S.A. Suzuki -- RM-Z 250 -- (2013, 2008, 2010, 2009, 2011, 2007, 2017,...

Spring kits contain springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valvesSpring kits come complete for one motorKeepers are not includedMade in the U.S.A. Suzuki --...

Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond intake valvesExtends the life of the valvetrain and intake components by as much as 4x over the OEM titanium partsIncludes...

All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistanceMade in the U.S.A. Suzuki -- RM-Z 450 -- (2005, 2006)

Black Diamond? valves are CNC machined from one-piece forgings of EV8 Stainless SteelBlack Diamond? proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and wearMade in the U.S.A. Suzuki -- LT-R 450 QuadRacer --...