Moroso Throttle Return Spring Kit - 4150 Holley Series Carb Including New HP Series HALCP26M Steel-tipped inlet needles are necessary

Steel-tipped inlet needles are necessary when using exotic racing fuels or alcohol or when using benzine or acetone additives

One 2-5/8 in Hole

Allstar Threaded Insert Tools

and Hamburger's focuses on oil pans

Moroso Throttle Return Spring Kit - 4150 Holley Series Carb Including New HP Series HALCP26M Steel-tipped inlet needles are necessaryManufactured from sturdy 12 gauge steel and finished in (electrostatic paint) E coat satin black Kit includes heavy and light sets of stainless steel return springs, all mounting hardware and complete installation instructions Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications. Moroso manufactures over 4000 products, from oil pans and oiling systems, to