SKU: HLY565-346
UPC: 090127469231
MPN: 565-346
The Holley Hyperspark Distributor EFI Small Cap BBM RB is a modern Hall Effect-based electronic ignition distributor engineered for Mopar RB-series engine blocks. This unit combines traditional HEI-style terminal compatibility with advanced EFI integration, delivering precise spark timing control that carbureted and early fuel-injected Mopar V8 engines cannot achieve with mechanical distributors. The black finish and compact design fit within original engine bay constraints while supporting modern ignition module technology.
Hall Effect pickup technology eliminates wear-related timing drift common in older points-and-rotor systems. The small cap housing reduces parasitic drag on the accessory drive while maintaining adequate secondary winding capacity for reliable spark delivery across the full RPM band. Compatibility with aftermarket EFI controllers and standalone ignition systems makes this distributor a practical choice for engine swaps, restorations, or performance builds that require repeatable, computer-controlled timing curves. The HEI-style terminal accepts both modern coil packs and vintage-compatible ignition wires, providing flexibility during installation or future upgrades.
This distributor serves Mopar RB-engine enthusiasts—restomod builders, classic car restorers, and street performance builders—who need electrical ignition control without complete engine bay redesign. Applications include 440-ci, 400-ci, and other RB-displacement engines in mid-sized Mopars from the 1970s and earlier. The Hyperspark line balances modern reliability with original-equipment appearance, reducing wiring complexity compared to full distributorless systems while delivering the timing precision required for fuel injection tuning and high-horsepower builds.
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