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Recent Addition more
1971 Alfa 1750 SCCA E-PRODUCTION SPIDER
1971 Alfa 1750 SCCA E-PRODUCTION SPIDER
$39,500.00
View Latest Additions
Valve 1600/1750 Race/Street Stainless Oversize 9 x 42.5 mm Intake
[17509IVOS]
$16.00

These special stainless steel oversize intake valves fit all 1600 and 1750 engines. There is no need to replace the standard seat in the head.

Flow compared to standard diameter is dramatically increased by 10-13% at the low lift:

  • Larger window of valve
  • The 45 degree seating
  • The special shape of the back side
  • The special back side swirl pattern
  • This 42.5 mm valve diameter overlaps the original 42mm seat .5mm. This .5 margin of overlap greatly enhances flow at low lift

 

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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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