This jet assortment kit track-tunes the carburetor for top performance. It includes 2 each of 36 different jet sizes, ranging from size # 64 to # 99. The jets are made of brass and contained in a plastic case that is designed to keep them separated and easily accessible.

This regulator is used to adjust to fuel pressure requirements of various carburetors and supplies the proper pressure to the needle and seat valve to prevent flooding or drivability problems. This satin finish regulator feature 3/8 pipe thread outlet ports with 7/32" restriction. It regulates press...

This vacuum secondary diaphragm is used to replace existing worn-out diaphragms. It is made from high-performance rubber material and has a rod length of 2.054".

Holley is probably best known for its hot-rodding image. Indeed, Holley DOMINATOR - carburetors still propel 1,200-horsepower Pro Stockers down the quarter mile. But that's only part of our story. Holley Performance Products provides a diverse line of merchandise for original equipment, as well as t...

This carburetor renew kit brings marine carburetors back to original specs and like-new condition. It includes all of the necessary gaskets, O-rings, pump diaphragms, needles and seats, power valves, detailed instructions, and hardware for a complete rebuild.

This carburetor renew kit brings marine carburetors back to original specs and like-new condition. It includes all of the necessary gaskets, O-rings, pump diaphragms, needles and seats, power valves, detailed instructions, and hardware for a complete rebuild.

Calibrating the right air/fuel mixture is important to gain proper power and efficiency from your carburetor and engine. But for vehicles running E85 fuel, proper calibration is difficult if you don't know the exact percentage of ethanol-to-gasoline in the fuel. Because E85 fuel can vary in the amou...

Delve into all aspects of Holley carburetors with knowledgeable instruction from this guide, which shows you how to disassemble, select new parts, rebuild, and calibrate all of the major models.Veteran engine-building expert and automotive author Mike Mavrigian guides you through each important stag...

Holley Billet Fuel Pressure Regulators are part of a complete line of fuel system products from Holley. They are precision machined from 6061–T6 billet aluminum for strength and durability. They feature a black bright dip anodized body and a clear bright dip anodized top for corrosion resistance and...

This regulator is used to adjust to fuel pressure requirements of various carburetors and supplies the proper pressure to the needle and seat valve to prevent flooding or drivability problems. This satin finish regulator feature 3/8 pipe thread outlet ports with 7/32" restriction. It regulates press...

This replacement jet removal tool is tapered to fit the end of the jet and is used to eliminate damage during removal. It is great for quick changes of jet fuel bowls and is designed to fit all round-style jet applications. It is made of steel and features a red and black plastic handle.

This mechanical fuel pressure gauge is a dry mechanical style gauge with 0-15 and 0-30 PSI increments. It fits all Holley fuel lines and fuel blocks. It has a Black face with White numbers, white pointer, and chrome bezel. It will directly screw into any 1/8 pipe thread female port.