Holley Main Jets 71 #122-71 3585410 Includes 3/8" NPT and 1/2"

Includes 3/8" NPT and 1/2" NPT adapter fittings

Air Box Wash Cover Yamaha YZ250F YZ450F YZ250FX YZ450FX 14-21 WR250F 15-20 WR450F 16-20

Net Weight: 11 kg

3/8 x 1 x 3 100pcs PLAIN FINISH HEAVY DUTY

Holley Main Jets 71 #122-71 3585410 Includes 3/8" NPT and 1/2"These 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 . 071" Jet size 1 4 32 Thread Sizes from 40 110 Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500