Turbo XS Type H RFL Blow Off Valve (BOV-H-RFL) Piston Rings Includes all 4 cams and

Includes all 4 cams and 24 springs

STM-EVO89-INT35-AL-PO-25

you might also want one of the STM Timing Belt Preload Eccentric Pulley Tool

stock locks with your new aftermarket valves

Turbo XS Type H RFL Blow Off Valve (BOV-H-RFL) Piston Rings Includes all 4 cams andWith new and improved styling, the BOV H RFL remains true to it's roots it's still really f'n loud! Like all Turbo XS valves, the RFL relieves compressor pressure surge caused by changing gears or backing off the throttle and has been used on turbo charged engines running up to 35 psi boost. If you need to ask how loud it is, this valve is too loud for you! Blow Off Valve Type H RFL comes standard with both a mild steel and aluminum weld on adapters.