304 S/S FULL DONUT 3.50 3-1/2 88MM O.D WELDED OUTSIDE Category_BLOW OFF VALVE ACCESSORIES 95mm Shank Length

95mm Shank Length

30mm Shank Length

all the weaknesses of the factory castings have been addressed

43" diameter dual valve springs to handle up to

304 S/S FULL DONUT 3.50 3-1/2 88MM O.D WELDED OUTSIDE Category_BLOW OFF VALVE ACCESSORIES 95mm Shank LengthStainless Steel Full Donut 3 1 2" O. D, Outside Weld Only 3. 5 304 S S FULL DONUT 3. 5 O. D WELDED OUTSIDE ONLY Aeroflow Performance range of 304 stainless steel donuts are perfect for custom fabrication, especially where tight bends are required such as exhausts or engine manifolds. Simply cut the shape you want out of the donut, position and weld. These donuts are perfectly formed, so your finished products flow properly, regardless of orientation.