Originally developed with the GM LT - 1 engine specs in mind, these regulators were designed to keep these cars performing at their peak potential. These rail mount EFI regulators fit a variety of factory GM vehicles. Adjustable from 30 - 70 PSI. Fuel pressure rises on a 11 ratio when referencing boost. 18 in. NPT gauge port. Stainless steel spring, custom - designed for precise fuel control. A true billet regulator, CAD designed and CNC - machined. Return adapter may be replaced with PN 15606 for a - 06 return line (sold separately).



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