Holley Carburetor Standard Main Jet #104, .134" SF523 They're available in our Hard

They're available in our Hard Core Gray(TM) hard coat anodized finish with Black(TM) billet for improved corrosion protection & also available in natural tumble-polished aluminum with Black(TM) metering blocks and base plate

Features Air Lift's Limited LIfetime Warranty and 60 Day Ride Satisfaction Guarantee

VCW & VCG Series Female Rod Ends

Easy installation with common mechanics tools

our Sure Seat Valve Spring sets are for use on original equipment heads when installing Edelbrock Performer-Plus

Holley Carburetor Standard Main Jet #104, .134" SF523 They're available in our HardThese 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. Installation Notes: NOT FOR USE WITH CARURETORS ORIGINALY DESIGNED FOR ALCOHOL Features: Standard Main Jet . 126" Jet size 1 4 32 Thread Sizes from