Vibrant 3.02in ID x 4.00in Long 321SS Electro Polished Motorsport Bellows w/Neck & LinerVibrant Performance is proud to offer the new Motorsport Bellows series for the Racing and Powersports industry. Our Motorsport Bellows feature a telescoping solid liner and is constructed from 321 Stainless Steel, which improves the bellows overall thermal performance and cycle life for the most extreme applications, including high performing race and powersports vehicles. These bellows are capable of withstanding temperatures up to 1650? F (900? C)