Sparco Steering Wheel 325 Suede Black Spirit and Speed by Level 7 Sparco Steering Wheel R383 Champion Black Leather Red Stiching Fitting Aftermarket Steering Wheels: The Definitive Guide > GSM Performance The Sparco 383 Steering Wheel In Store > GSM Performance The Sparco 383 Steering Wheel In Store > GSM Performance Steering. Sparco steering wheels are designed to improve grip and comfort for driving precision. Available in different diameters, depths, and materials which will satisfy every driving situation from street to track. The Sparco R323 steering wheel is a 330mm diameter, 3 spoke flat steering wheel trimmed in black suede with a Sparco logo. It is a competition steering wheel designed for use in saloon racing or rally cars. Supplied with horn button. * Diameter 330mm * Dish (depth front to back) 39MM * Cover Material Suede