Moroso Jet Extension Kit - 1/4"-32 - Standard Holley Jets CK02 Manganese bronze valve guides are

Manganese bronze valve guides are used for long life

Frankenstein Engine Dynamics specializes in taking a high-output engine to the next level

The open area of the cone is actually greater than the area of the collector or exhaust pipe

Super Lightweight at approximately 900 grams

Moroso Jet Extension Kit - 1/4"-32 - Standard Holley Jets CK02 Manganese bronze valve guides areBrass Jet Extensions screw into the metering block to reposition jets farther back into the fuel bowl to eliminate fuel starvation and they won't fall out! CNC machined for precise fit and maximum fuel flow Must be used in conjunction with Moroso Drag Race Float Kit #MOR65228 to clear extensions Two per package Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance