Assembled In-House
Every kit is designed and assembled in our workshop to ensure it matches our strict standards and performs perfectly.
Proven & tested
Street, drags, show and track, since 2012 our kits have clocked thousands of laps and millions of miles.
money back guarantee
If you're not 100% satisfied you can send it back for a full refund, including shipping costs, for 12 months after purchase.
LS1 ITB Kit
SEMA 2022 & 2023.
Let the crowd decide. 2023 @Built.By.Rich and 2022 @goodshow_aa
Thousands of hours of research, hundreds of designs and dozens of tested vehicles, we make sure all and every kit performs to a world class standard.
smoother idle
By eliminating cylinder cross-talk, very aggressive cams can be run without low RPM stalling and with reduced lumpiness.
Instant throttle response
By giving the intake air a short and direct path into the chamber, the throttle response becomes lightning quick.
increased power
By allowing each cylinder to consume the same and maximum amount of air, your engine can be run at its optimum performance.
Each model kit has undergone serious testing with proven results
Every kit bolts directly on, no fabrication and no additional brackets required.
Easily assembled with basic hand tools, be up and running in a matter of hours.