Turbo XS Type H RFL Blow Off Valve (BOV-H-RFL) Piston Rings you might also want one

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

STM-EVO89-INT35-AL-PO-25

(1) (1540A066) Gasket

Includes all 4 cams and 24 springs

12279-3TS0A

Turbo XS Type H RFL Blow Off Valve (BOV-H-RFL) Piston Rings you might also want oneWith 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.