Build Your Car

Build your Harris Modified with components matched by exact SKU to the Harris Modified master build list. Shop by system below. On variable products, select the compatible option shown in the verified fitment box. For build assistance, call Harris Auto Racing at (515) 432-6972.

Interactive race car estimator

Build Your Car

Choose a car and select parts by assembly system to create a planning estimate. Lists and suggested quantities need confirmation for your chassis and build. Current website prices take priority. Parts and new-car labor without system prices use the supplied Harris estimate prices. Select only the items needed for your build.

Start with your car. Choose a chassis family below to browse its planning list. Confirm required parts and quantities with Harris before ordering.

0 of 0 planning entries selected Selected priced subtotal $0.00
  1. 1Car
  2. 2Estimate

What type of car do you want to build?

Select a chassis family to begin.

Step 1

Harris Auto Racing Parts Estimate

1775 219th Lane, Boone, IA 50036 · (515) 432-6972 · info@harrisautoracing.com

Your Parts Estimate

Review your selections, add contact details and print a copy.

Final step
Car typeHarris Modified
Estimate generated
Estimate number
PartSKUQtyUnit priceLine total
Estimated priced-items subtotal$0.00
Estimate only: 0 planning entries are listed for . Current website prices take priority; supplied Harris estimate prices fill missing part and new-car labor prices. Assembly kits are offered separately from their components to avoid counting both. This list is not a complete 2027 master-list or fitment guarantee; confirm quantities and components with Harris. Taxes, shipping, freight and any unpriced work are not included. Pricing and availability may change. Contact Harris Auto Racing to confirm the build and final quote.

Find your next race part

Search by part name or number. Choose a car to see parts matched to its 2027 master list.

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