Supertech Beehive Valve Spring Kit for 4G63 Evo/DSM ATP street and off-road motorcycles

street and off-road motorcycles

Capable of supporting over 1

These are the same gas ported pistons we have been testing in our STM Race Engines and easily trapping 165+ MPH in the 1/4

The STM Bracket design utilizes the existing stud and nut of the master cylinder so it is a clean and easy install

The old bottle is pictured below

Supertech Beehive Valve Spring Kit for 4G63 Evo/DSM ATP street and off-road motorcyclesSupertech beehive valve spring kits for 4G63 Evo, DSM and GVR4. Includes 16 beehive springs, 16 titanium retainers and valve seats. There are two options for the pressure seat, please do all your research and consult your engine builder if necessary! Vehicle Fitment: 1992 2006 Evolution I IX 1990 1999 Eclipse GST GSX 1990 1998 Talon TSi 1990 1994 Laser RS 1991 1992 Galant VR 4 Purchase Includes: (16) Beehive Valve Springs (16) Titanium Retainers (16)