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Valve V6 3.0 Special Oversize 8x46mm 45 degree Intake, Each
[30008IVOS]
$0.00

This part is discontinued and no longer available. Please DO NOT try to order.

 

FITS ALL 12 VALVE 3.0 ENGINES

Made of special stainless steel alloy.  Weight 84g.  This is 17g lighter than stock 9x44 valve.  Use lighter spring pressure and increase HP.

According to Jim K's research these 2mm oversize intake valves with 8mm stems greatly improves the flow over the  9mm stem stock valves.

  • This 1mm smaller stem and back side design increases flow
  • These 2mm oversize 46mm diameter valves overlap the stock 45.35mm seats about .017". Leaving this wider margin over lapping the 45 degree seating ring is a very important feature.  The flow at low lift is greatly enhanced for low end power.  
  • When worn seats need replacement, we have special alloy oversize racing seats.  See Part #605-79204-1 
  • These 8mm stem valves require our SM1 keepers and retainers.

Note: We can order any size valve you decide is best for your engine.

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Spruell Motorsport Alfa is your source for performance parts for Alfa Romeo.
We specialize in Alfa Romeo 101, 105 and 115 drive train products for engine and gearbox.
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