Datsun 240z “SM” Race Needles Upgrade

Datsun 240z Hitachi Carburator “SM” Race Needles

These needles are similar to stock up to 2000 rpm, then Fuel Delivery is increased significantly)
These Needles are excellent for racing, and will make your Z come alive!!!
Try these, before you purchase a triple Weber 40/45 DCOE setup.

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