Voltstorm HEI ignition distributor for Chevy small & big blocks vs MAS distributor for small/big block EFI TBI 5.0-7.4L 1987-1997

Overall winner: MAS distributor for small/big block EFI TBI 5.0-7.4L 1987-1997

Key Differences

Voltstorm (A) lists a higher review count and is marketed as a new HEI distributor for Chevy small and big blocks with reported solid build quality but some module failures. MAS (B) is targeted for EFI/TBI GM 5.0–7.4L 1987–1997 applications, is lower priced, and gets praise for fit and value though its ignition control module quality varies by unit

Voltstorm HEI ignition distributor for Chevy small & big blocks

Voltstorm HEI ignition distributor for Chevy small & big blocks

Voltstorm • ★ 3.9/5 • Mid-Range

New HEI distributor with 65,000-volt coil and 9,000 RPM capability for Chevy small and big blocks. Customers note easy installation, solid build, and good value, with some reporting module issues after weeks of use

Pros

  • new HEI distributor for Chevys
  • easy to install
  • solid build quality
  • fits a range of small and big block engines

Cons

  • module failure reported by some customers after weeks
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Head-to-Head

CriteriaWinner
Price Voltstorm
Durability MAS
Versatility Voltstorm
User Reviews Tie