![420 / 250 O-Ring (Blower to Manifold) [#9217]](https://theblowershop.com/wp-content/uploads/2022/03/9300-250O-RING-450-1.jpg "420 / 250 O-Ring (Blower to Manifold) [#9217] 1")
420 / 250 / 256 O-Ring (Blower to Manifold) [#9217]
$24.20
CompareO-ring for a 250/420 B&M or the 256 Weiand Supercharger
| Weight | 1 lbs |
|---|---|
| Dimensions | 4 × 4 × 4 in |
![142 / 144 Base Gasket [#9221]](https://theblowershop.com/wp-content/uploads/2022/03/BM-4-100x100.png)
![Powercharger / Prostreet Cover / End Plate Gasket (.010" Thick) [#9231]](https://theblowershop.com/wp-content/uploads/2022/03/9231-450alt-1-100x100.jpg)
Related products
![MEGA / 420 Rear Cover Gasket [#9232]](https://theblowershop.com/wp-content/uploads/2022/03/IMG_9484-scaled-1-300x300.jpg)
Quick View
Quick View
![177 Weiand Base Gasket [#9222]](https://theblowershop.com/wp-content/uploads/2022/03/BM-5-300x300.png)
Quick View
![Powercharger Bearing & Seal Kit (Double Row Kit) [#9011]](https://theblowershop.com/wp-content/uploads/2022/03/BM-2-1-1-300x300.jpg)
![MEGA / 420 Base Gasket (10 pack) [#9215]](https://theblowershop.com/wp-content/uploads/2022/03/9210-420BASEGSKT-450-1-1-300x300.jpg)
Quick View
Quick View