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Cylinder Head U20
Partnumber: 2510
Datsun Roadster 2000 Oversize Race Quality Valves Set of 8
Sets running in cars for years!

Oversize U20 Stainless Steel alloy Race Quality valve set. Our valves are not regular commercial, two piece design, which can fail at the head
OUR valves were specifically designed for the U20 cylinder head. Not from blanks or from another motor
Intake on the left and Exhaust on the right. Swirl polished intake and exhaust valves, hard chrome stem through and through, NOT flash chrome. High flow head seat design, weight saving dished face, 50RC keeper groove & tip. Will not mushroom.

Intake diameter 1.845 - Original Nissan 1.815

Exhaust diameter 1.460 - Original Nissan 1.420

NOTE: No new seats need to be installed with these valves. It may be a good idea to install new seats for the intake if they are brass or if the seats are worn. Hardened seat part numbers are: 1494 & 1820. IN STOCK

Mark Degroff's Cylinder Head Service approved the drawings with a top valve manufacturer during the design process. Mark has been custom designing valves and has experience working with cylinder heads for 45 years

Criteria for clearances. .0015 to .002 clearance with guide

Be sure to check all clearances

Our valves are not Repurposed 289 Ford valves machined by Phil Wyatt Machine in Arizona or stock parts modified on some "buddies" lathe.
$190.00

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