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Vehicle Info NeededMSD IGNITIONPART NUMBER: 121-8982
Start/Retard Timing Control for CD Ignition Boxes
$21599
Ships on 11/09/2026
Lowest Price GuaranteeStart Retard Timing ControlMSD Ignition Controls Start Retard & High Speed Step Retard Plug-In Retard Modules Analog Programmable Control
The Start/Retard control eases cranking on engines with locked-out timing and adds a single stage retard for high rpm or nitrous use. It must be used with an MSD ignition control.
Timing Control Functions:
- Start retard is activated when the violet wire is applied to 12 volts.
- Step retard is activated when the gray wire is removed from ground.
- High speed retard amount is adjustable with plug-in modules.
- Must be used with an MSD ignition control.
- For Race Cars with Locked-Out Timing.
Start retard eases cranking on engines with locked-out timing. Choose 10° or 25° of retard during cranking. Plus, a single stage retard is featured for high rpm or nitrous applications. Easy to install and program. For use on 4, 6 or 8 cylinder engines with an MSD ignition control.
Part TypeTiming Control
Product LineMSD Start/Retard
BrandMSD IGNITION
Package Height3.2
Package Width6.4
Package Length6.7
Weight1.5 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
