A dual-purpose, universal regulator for EFI or Carbureted and street or strip applications. Base pressure adjustable from 3 to 20 PSI with standard spring (installed) or from 20 to 60 PSI with high-pressure spring (included). It offers the full flow and rock steady fuel pressure that only a dyna
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Looks Great - Works Better
These regulators are a perfect match with our 4500 Dual Dominator Holly carburetors on top of a 598 BBC. Highly recommend them.
S
Steve · November 19, 2025
Regulator
Works great as it should. Easy to adjust. Would recommend this product.