LARGE SIGHT GLASS WITH O-RING [#1177]
$27.50
Large Sight Glass with O-ring
This oil level large sight glass is nickel plated for durability and has a 3/4″-32 thread pitch. This large sight glass is used in the newly designed TBS Front Covers and has a larger viewing window than the original 1/4 NPT sight glass originally used. Maintaining the proper oil level will ensure years of trouble-free use.
This Sight Glass is also used in Holley Superchargers.
| Weight | .5 lbs |
|---|---|
| Dimensions | 1 × 1 × 1 in |
Frequently bought together
![LARGE SIGHT GLASS INSTALLATION TOOL (STEEL) [#1175]](https://theblowershop.com/wp-content/uploads/2025/11/1175-sight-glass-instalation-tool-300x300.jpg)
![420 MEGA Bearing & Seal Kit [#9010]](https://theblowershop.com/wp-content/uploads/2022/03/BM-1-1-1-100x100.jpg)
Related products
![174 B&M Base Gasket [#9223]](https://theblowershop.com/wp-content/uploads/2022/03/BM-6-300x300.png)
Quick View
![420 Long Coupler (5.7" - 6.1" Snout Length) [#9243]](https://theblowershop.com/wp-content/uploads/2022/03/Shaft-5-2-205x300.jpg)
Quick View
![420 Short Coupler (4.0" - 4.4" Snout Length) [#9241]](https://theblowershop.com/wp-content/uploads/2022/03/Shaft-5-205x300.jpg)
Quick View
![MEGA / 420 Front Cover Gasket [#9230]](https://theblowershop.com/wp-content/uploads/2022/03/9230-420FCVRGSKT-450-1-300x300.jpg)
Quick View
![Powercharger / Prostreet Cover / End Plate Gasket (.010" Thick) [#9231]](https://theblowershop.com/wp-content/uploads/2022/03/9231-450alt-1-300x279.jpg)
Quick View
![B&M MEGA / 420 Billet Front Cover Polished (B&M Snout) [#9171]](https://theblowershop.com/wp-content/uploads/2022/03/9171-450-1-1-300x297.jpg)