Welcome to Rally.Build - Premium Rally and Race Equipment Suppliers!

Rally.Build is the premiere source for all things rally and race car in the Rocky Mountains.  Browse our website for product offerings or visit our new showroom conveniently located just outside Denver, Colorado.

We specialize in rally and race car products and fabrication.  We have been competing for over ten years and have raced in Rally America stage rally, SCCA Rallycross & Autocross, Chumpcar, World Racing League, NASA Rallysport, Colorado Hill Climb Association, and the Pikes Peak International Hill Climb.

The products listed on our website are representative of our typical on-site inventory. Please call or email for any product not listed on our website, or to check on exact inventory status. Through our suppliers and distributors we are capable of meeting nearly any need you may have for racing and rallying!

885 Parfet St Ste C
Lakewood, CO 80215


Tuesday: 3 pm – 10 pm
Saturday: 10 am – 4 pm (Unless race weekend)
Other days and times by appointment, give us a call first!


New Products:

Stilo Peltor Helmet To Stilo Intercom Adaptor

Stilo Peltor Helmet To Stilo Intercom Adaptor$79.99

This adaptor allows a Peltor helmet to be attached to a Stilo WRC or ST-30 intercom.

Stilo 12v Adaptor

Stilo 12v Adaptor$79.99

Battery eliminator lead which allows Stilo Trophy 2 and WRC amplifiers to be run from the cars 12v electrics instead of a 9v battery.

Stilo Replacement WRC Intercom Kit

Stilo Replacement WRC Intercom Kit$149.99

This is a direct replacement WRC intercom kit for all Stilo full face helmets or for fitting to other brand helmets. Complete with extra thin speakers, noise cancelling magnetic-dynamic microphone, professional jack, and flexible microphone holder on the open face model. No earmuffs on these models!

Alexa Aimes