Welcome to Gropp Automotive Specialties!  

Premier builders of championship demolition derby cars and parts.  We specialize in Chevrolet engines, carburetors and distributors.

NEW PHONE NUMBER: 402-450-6351

NEW ADDRESS:

11605 S.W. 72ND
MARTELL, NE 68404

NOW ACCEPTING VISA, MASTERCARD, AND DISCOVER!

COMING SOON - WINNER'S CIRCLE - For those looking for references before making an engine purchase, we will have a page with G.A.S. customers and what they have won.  This will only be a partial list, as many G.A.S. engine customers wish to remain anonymous.

ROLL CAGES - Built to your specs, ours, or any spec rules, please contact us for mandrel bent cages to improve the safety of your car!

TURN-KEY CARS - The leader in special event and promotional cars, our derby or figure 8 cars can be built in any stage of completion, and offer you a safe alternative to shoddy built cars for novice drivers.