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Engine Mount Standard Duty Right Side Rectangular Cross Section
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Valve Guide TwinSpark Set (8) Performance Race Intake & Exhaust 8mm LAST SET
[743760G-1]
$0.00

SALE PRICE - ONE SET ONLY

Our special made Manganese Bronz Alloy valve guides are designed for full race or street performance use.  

  • The aerodynamic nose of these guides are positioned at minimum protrusion into the port for optimum flow.
  • For exhaust side these guides are 5mm shorter than stock to reduce exposed length in port and improve flow.

We do not recommend chopping the guides flush with the port contour.  This practice does not leave enough total guide length to stabilize the lateral thrust of the valve stem.  The precision movement of the valve off the seat is far more important than the small amount of flow increase gained.

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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, gearbox, differential and wheels.
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