DIY Go-Kart Plans / Est. Garage Builds
Build a real go-kart
from bare steel.
SpiderCarts guides you through a custom frame build step by step - parts lists, cut lists, assembly instructions, and detailed diagrams for six proven chassis. No guesswork.
As featured in
Trusted by hundreds of home builders since the original SpiderCarts launch.
The lineup
Six chassis. One build class.
GrandDaddy
The flagship. A big two-seat frame with full suspension for two riders.
Arachnid
Full-suspension single-seat racer built for speed and corner control.
Scorpion
A three-wheeled stinger with an aggressive low stance.
Tarantula
Rugged off-road build that eats dirt and trails.
Recluse
A compact 60-inch frame - the easiest first build in the lineup.
BlackWidow
Long-wheelbase cruiser with a planted, stable ride.
What you get
Everything to go from steel to street.
Parts + cut lists
Every tube, length, and component spelled out before you buy a thing.
Detailed diagrams
Dimensioned drawings and photos for every joint and sub-frame.
Step-by-step build
Follow the sequence from bare steel to a running kart.
Lifetime downloads
Buy once, download forever, including future revisions.
Buy now
One-time purchase. Instant download.
Get every chassis plan in one package - or add the full step-by-step video build class.
Most popular
Best valuePlans & Video Class
Plans plus step-by-step video
Everything in the Pro Plan Package, plus the full Build Class video course.
- Everything in Pro Plan Package
- Step-by-step video class
- Tool walkthroughs
- Lifetime access and future updates
Plan package
Pro Plan Package
Complete go-kart plans
Full chassis blueprints, parts list, and assembly notes for the SpiderCarts Pro build.
- Printable PDF plans
- Bill of materials and parts list
- Assembly notes and tips
- Lifetime access
Free plan
Start free with the Itzy Bitzy
A free child-sized go-kart plan. No purchase - just download and build.