The Parma PSE Hop-Ups for the Frog and ORV Chassis

Parma PSE (Parma Speed Experts) made many hop-ups for the Tamiya Frog and the other R/C model vehicles built on the ORV (Off-Road Vehicle) chassis. We go over the most popular Parma hop-up options and explain why these vintage hookups were both unique solutions to weaknesses in the ORV chassis as well as some of the most sought after upgrades that strengthened these epic radio-controlled model vehicles exponentially.