<H1>VAC - S50 / S52 / M50 / M52 Heavy Duty & Turbo Valve Set -- VAC Motorsports Shopping Cart</H1> <STRIKE>$599.95</STRIKE> <font color=black><B>$479.95</B></font> <P> <IMG SRC="https://store.nexternal.com/vacmotors/images/VAC-HPV-M10-M.JPG" ALIGN=right ALT="VAC - S50 / S52 / M50 / M52 Heavy Duty &amp; Turbo Valve Set" NAME="VAC - S50 / S52 / M50 / M52 Heavy Duty &amp; Turbo Valve Set" BORDER=0 HSPACE=10> VAC Heavy Duty Valve sets are precision made to our exacting specifications.<BR> Intake valves are Forged Stainless Steel, while the exhaust valves are a Severe Duty Alloy. This set is built for super high horsepower, forced induction, or Nitrous Oxide equipped M5x/S5x that generate very high combustion temps.<BR> Made from a highly advanced alloy (similar to manufacture name 'Inconel'), our valves will survive where no others will.<BR> If you are shooting for ultra high HP/ High boost we have the valves for you!<BR><BR> Our valves feature: <UL> <LI>One piece high tech alloy construction for maximum heat resistance(compared to 2 piece valves which fail at weld, and melt at high boost) <LI>Single (1) groove keeper style for maximum deformation and heat related failure resistance <LI>Extreme heavy duty; if these don't survive nothing will <LI>Tested to 9500RPMs <LI>Valve sets are oversized for high horsepower applications </UL> <br><br> VAC Tech Tip:<BR> These valves are built for high heat and severe duty. With our valve springs they should prove exceptionally reliable.<BR> For naturally aspirated, high revving applications, we recomend our forged stainless steel valves as they are lighter.</UL><BR><BR> <B>Specify if you need our full valve set or just exhaust valves.</B></P> <P> <LI>SKU: VAC-HPV-M50-SD <LI>Valve Set: Exhaust Set Only; Full Set of valves<LI>Engine Type: M5x / S5x (US Spec) </P> <P><B>Other products in the category <A HREF="http://www.nexternal.com/vacmotors/Category1" TITLE="Engine Components">Engine Components</A> / <A HREF="http://www.nexternal.com/vacmotors/Category150" TITLE="Valve Train">Valve Train</A>:</B> <BR clear=left><BR><LI><A HREF=http://www.nexternal.com/vacmotors/Product1724 TITLE="BMW - M10, OEM Valve Kit (E10 tii)">BMW - M10, OEM Valve Kit (E10 tii)</A> <BR clear=left><BR><LI><A HREF=http://www.nexternal.com/vacmotors/Product2027 TITLE="BMW - M5x/S5x Hydraulic Cam Follower / Lifter">BMW - M5x/S5x Hydraulic Cam Follower / Lifter</A> <BR clear=left><BR><LI><A HREF=http://www.nexternal.com/vacmotors/Product2048 TITLE="BMW - 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