![B&M 420 Replacement Rotor Set [#9385]](https://theblowershop.com/wp-content/uploads/2024/11/9385-420-ROTOR-SET-1-1-300x300.jpg)
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![B&M Billet Bearing Retainers [#9175]](https://theblowershop.com/wp-content/uploads/2022/03/9175-BLTBRGRETNR-450-1-300x213.jpg)
B&M Billet Bearing Retainers [#9175]
These Billet Bearing Retainers are machined to replace your worn down bearing retainers that are attached to the bearing plate.
$66.00
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![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)
B&M MEGA / 420 Billet Front Cover Polished (B&M Snout) [#9171]
Billet machined polished front cover designed to replace your old cast B&M 420 front cover. The B&M version will work with the existing snout, the...
$220.00
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![Holley 142/144 Rotor Set [#9371]](https://theblowershop.com/wp-content/uploads/2024/11/9374-HOLLEY-174-ROTOR-SET-1-300x300.jpg)
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![Holley 177 Rotor Set [#9375]](https://theblowershop.com/wp-content/uploads/2024/11/9375-HOLLEY-177-ROTOR-SET-1-300x300.jpg)
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![LARGE SIGHT GLASS INSTALLATION TOOL (STEEL) [#1175]](https://theblowershop.com/wp-content/uploads/2025/11/1175-sight-glass-instalation-tool-300x300.jpg)
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![LARGE SIGHT GLASS WITH O-RING [#1177]](https://theblowershop.com/wp-content/uploads/2025/11/1177-LARGE-SIGHT-GLASS-WITH-O-RING-300x300.jpg)
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![MEGA / 420 Base Gasket (10 pack) [#9215]](https://theblowershop.com/wp-content/uploads/2022/03/9210-420BASEGSKT-450-1-1-300x300.jpg)
MEGA / 420 Base Gasket (10 pack) [#9215]
Base Gasket for a 420 Mega Blower. Bolt pattern is 16.00″ by 6.750″ and blower opening is 13.00″ by 3.250″.
$150.00
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![MEGA / 420 Base Gasket (single gasket) [#9210]](https://theblowershop.com/wp-content/uploads/2022/03/9210-420BASEGSKT-450-1-300x300.jpg)
MEGA / 420 Base Gasket (single gasket) [#9210]
Base Gasket for a 420 Mega Blower. Bolt pattern is 16.00″ by 6.750″ and blower opening is 13.00″ by 3.250″.
$16.00
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![MEGA / 420 Front Cover Gasket [#9230]](https://theblowershop.com/wp-content/uploads/2022/03/9230-420FCVRGSKT-450-1-300x300.jpg)
MEGA / 420 Front Cover Gasket [#9230]
Front cover gasket for the B&M Mega 420. The Blower Shop™ stocks most gaskets needed for all major brands or superchargers
$6.93
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![MEGA / 420 Rear Cover Gasket [#9232]](https://theblowershop.com/wp-content/uploads/2022/03/IMG_9484-scaled-1-300x300.jpg)
MEGA / 420 Rear Cover Gasket [#9232]
Rear cover Gasket for the B&M Mega 420. The blower shop stocks most supercharger gaskets that are needed for almost every manufacturer.
$6.93
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