Titanium Valve Spring Retainers - Suzuki GSXR600 (2001 - 2003), GSXR750 (2000 - 2003), GSXR1000 (2005 - 20008 4 mm stem titanium valves).

Hayabusa Titanium Valve Spring Retainers - Set of 16

Titanium Valve Spring Retainers - Honda CB750 SOHC (K model).

Titanium Valve Spring Retainers - Suzuki GS1000 2 Valve (Using APE VS750S Valve Springs and #21-604 Keepers), Kawasaki KZ650, KZ/GPZ750 Fours, Z1, KZ900, KZ1000, KZ/GPZ1100, and KZ/GPZ using APE VSP500 Valve Springs.

Titanium Valve Spring Retainers - For APE, Manley two-valve pro mod springs.

Titanium Valve Spring Retainers - Kawasaki ZX10 (thru 1989), ZX11, ZRX1100 (1999 - 2000), ZRX1200 (2001 - 2005), ZZR1200 (2002 - 2005), ZX12.

Titanium valve spring retainers - Kawasaki ZX6-R (2003-2006), Z750S (2005 - 2006.

Titanium retainers - Kawasaki STX-15F, Ultra250, 260, 300.

Titanium Valve Spring Retainers - Kawasaki ZX10 (2004 - 2007, fits APE VS1000K Spring).

Titanium Valve Spring Retainers - Suzuki GSXR600 (2004 - 2009), GSXR750 (2004 - 2008), GSXR1000 (2005 - 2008 4.5mm stem titanium valves).

Titanium Valve Spring Retainers - Suzuki GS1100/1150

Titanium Valve Spring Retainers - Suzuki GSXR750 (1986 - 1990), GSXR1100 (1986 - 1990), GS1100/1150 (Using APE VS1100SPRO Valve Springs).

Titanium Valve Spring Retainers - GSXR750 (1991 - 1992 shim style), GSXR1100 (1991 - 1992 shim style).

Titanium Valve Spring Retainers - All Yamaha PWC 1.8 engines

Titanium Retainers - Yamaha YXZ1000 (set of 12)