Ferrari 275 Valve Adjustment Bolt Kit New For Sale - New and Used

This is a new improved valve adjustment bolt kit for Ferrari 275 type engines. Advantages of the new valve adjustmentbolt with smaller camfollower roll and needle bearings: The system needs more clearance between the valvestem and the rocker. Therefore smaller rollers on needle bearings, as developed by RE, are used. The advantage of the smaller rollers is the smaller angle between adjustmentbolt and valvestem when the valve is fully opened. This reduces the sideward force on the valvestem. The force on the valvetip, exercised by the adjustmentbolt, is now spreaded over almost the entire area of the valvetipsee drawing . The advantage is that the valvestem will not get hollowed anymore and in that way the sideward force on the valvestem will be minimised. This means much less wear on the valveguides. It is no longer necessary to harden the valvetip, so the elasticity of the material will be maintained. This whole set-up will reduce friction in the valvetrain. The result is a gain of engine output. This system can be installed in all 250, 275 and 330 engine types, provided the valvetip is perfectly flat and doesn\'t show any signs of wear. The advantages mentioned in points 1-4 make the system almost indispensable for racing engines with racing camshafts. This item is made to order and subject to volatile pricing and availability conditions. Please inquire prior to ordering if unsure of these terms. Part #: FR-275-064

Part #: FR-275-064

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