It is designed as a protection for the engine so that it can slip if there is a stop

allowing lower initial pressures and promoting lower

Compression spring for the E-RAVE valve — the spring in the electronic exhaust valve's assembly on the Evo

Measures that the port dimensions are within the rulebook — the tool scrutineers use

Holes 58 mm

Kudd Kit Sparco Stol EVO QRT PriceGroup-5 It is designed as aComplete kit with all cushions upholstery as spare parts for your Sparco racing seat. The kit does not contain the large cover fabric that covers the entire seat, however, it does contain all the cushions you need. (Back cushion, seat cushion, and any side cushions depending on model)