Holley Main Jets 66 #122-66 4338580 7/16 Nyloc nut 15pcs 7/16

7/16 Nyloc nut 15pcs 7/16 Flat washer 15pcs 7/16 Spring washer 15pcs QUALITY ASSURED all BOLTS and SET SCREWS have Head stamps with grade and manufacturers marking DELIVERED FREIGHT FREE NEW ZEALAND WIDE

This product has the following approvals: GM dexos1:GEN2 Licensed

1 of #1 x 100mm

Supplied with a traceable ISO calibration certificate according to DIN Germany

Holley Main Jets 66 #122-66 4338580 7/16 Nyloc nut 15pcs 7/16These metering orifices control fuel flow into the metering system. They are rated in flow capacity cubic centimeters per minute and are changeable for tuning purposes. The shape of the entry, exit, and size determines flow. All Holley Main Jets are flow tested and then stamped with the correct number. Standard Main Jet . 066" Jet size 1 4 32 Thread Sizes from 40 110 Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500