Simco Super Adjustable X-700 Chassis – Vintage NOS (1965) Fits Russkit 33, Kemtron X-503, & All 36D Motors 🛠️ Product Details A classic Simco Super Adjustable X-700 chassis , designed in the golden age of slot car racing. Ideal for 1/24 vintage builds and compatible with a wide range of 36D motors, including the Russkit 33 and Kemtron X-503 . Model : Simco X-700 Type : Inline brass chassis Wheelbase : Adjustable from 3.5" to 4.5" Motor Fit : All 36D motors – Russkit 33, Kemtron X-503, Pittman, etc. Era : 1960s Condition : New old stock – sealed in original 1965 vintage packaging Construction : Simple, sturdy, and lightweight stamped brass A versatile and durable design from the peak of slot car history — great for restorers, racers, or collectors. 🚚 Shipping Ships next business day . Shipping charged at cost based on destination and weight. If the system overestimates, we refund the difference upon request. 🔁 Returns Returns accepted within 30 days if item is unused and in original condition. 🏁 Come Race With Us You’re welcome to visit our private slot car track in Sherwood, Arkansas — book an appointment at: 👉 www.slotcarclubhouse.com We also travel frequently and love connecting with other slot racers across the country. Let’s race! ~ Jim Cunningham