Renault F4R RS Performance Parts

Get more out of your Renault F4R RS with Supertech components engineered for strength, consistency and high-RPM reliability. Choose from engine valves, valve spring kits, retainers, block guards, head gaskets, connecting rods and high-compression pistons, all matched to this engine's specifications. These components are made for high-RPM street and track engines, including boosted and forced-induction setups that push well past stock limits. Pick a category above to shop valvetrain and piston upgrades for the Renault F4R RS.