Sparco Replacement Tuning Seat Recline Backing Plate Option:Left Bell recommends that you periodically

Bell recommends that you periodically change shields for better vision and safety

the driver's experience is improved and lap times are lowered

Threaded-backing plate necessary for installation on all other helmets is NOT included

alleviating fatigue and feelings of heaviness in the legs

Sparco Replacement Tuning Seat Recline Backing Plate Option:Left Bell recommends that you periodicallyAlthough attractive, Sparco plastic pieces are prone to cracking from age and or mishandling. Luckily, we carry a complete assortment of replacement pieces to make your seat new again! Replacement recline backing plates fit behind the seat's recline knob and cover the seat's reclining mechanism. Easily installed with 2 screws. Sold individually purchase both a left and a right for a complete set. Does not include the adjustment knob or mounting