Welcome to Mountain Man Fuel Systems


A lot of our customers know us for our carburetor parts store


and carburetor rebuilding services with over 40 yrs. experience.

We are a full-service carburetor shop:

 Parts, Rebuilding Service & Stock Carburetors

Dual 4-barrel Carter AFB

 Heavy Duty accelerator pump delayer springs and clips

Buick: 64-65 425 ci. 7.0L

Chevrolet: 62-65 409 ci. 6.7L

Plymouth: 66-71 426 ci. 7.0L

64-65 426 ci. 7.0L (Hi Perf)

***FOR OEM LEATHER CUP PUMPS ONLY***

Spring Dimensions: 

Large end I.D. .380

Small end I.D. .330

Length 1.868

Wire dia. .022

Spring has a taper 

All measurements are approximate

We ship First Class Mail and generally ship

 same or next business day from payment received.

If your package is delayed, please understand

 that once it is picked up it is out of our control. 

We will do our best to assist you: 

track your package and file a report with USPS 

if necessary, but please understand the delay is not our fault.

Returns are accepted within 30 days on unopened items.

We thank you for looking

Mountain Man Fuel Systems