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Vehicle Info NeededMSD IGNITIONPART NUMBER: 121-8552
Pro-Billet Ready-to-Run Distributor Buick 400-455
$67395$749.95You Save$76.00
1 left in stock
Ships on Sep 08, 2026
Lowest Price GuaranteeBuick
- Pro-Billet Ready-to-Run Distributor
- Buick 400-455
- CARB E.O. #D-40-39
- Red
Features: - Powerful built-in module produces a 7.5 amp single spark through high rpm
- Easy-to-adjust mechanical advance with supplied springs and stop bushings
- Vacuum advance canister for improved economy (can be locked out)
- Mechanical advance assembly can be locked out for crank trigger systems
- Supplied with an HEI style distributor cap and rotor (accepts Cap-A-Dapts)
- Does not require an MSD Ignition Control
- Includes Built-in Rev Limiter
- 50-State legal
- CARB E.O Number D-40-39
- Simple and clean installation with only three wires to connect
- CARB E.O. Approved
- Does not require an MSD Ignition Control
- Supplied with an HEI style distributor cap and rotor (accepts Cap-A-Dapts)
- Mechanical advance assembly can be locked out for crank trigger systems
- Polished steel shaft is QPQ coated and guided by a sealed ball bearing
- Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range
Part TypeDistributor
BrandMSD IGNITION
Package Height6.8
Package Width7.1
Package Length19.1
Weight5.41 PG
Part CategoryPerformance Parts
Carb Eo NumberD-40-39 (pdf)
Marine UseNo
Housing FinishNatural
Housing MaterialBillet Aluminum
Ignition Box RequiredNo
QuantitySold individually
Distributor TypeHEI/Breakerless
Engine Make/SizeBuick 400-455
Computer-Controlled CompatibleNo
Trigger StyleMagnetic
Distributor Gear RotationStandard
Cap StyleMale/HEI
Slip CollarNo
Mechanical Tach DriveNo
Gear MaterialIron
Advance TypeVacuum and Mechanical
Vendor Part Number8552
Package Qty1
Package TypeEA
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