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Discount 10%

$45.40$40.86

Pressure regulator with ball and stem activation and GFLT diaphragm. Designed for methanol fuel. •Supports up to 600 HP engines •Black anodized housing •Adjustable from 4.5 - 9 PSI; Preset to 6.5 PSI •3/8" NPT Ports •.250" (1/4") restriction •Includes mounting bracket •Includes an 1/8" NPT port for manifold reference Boost Reference 1-1 BrandQuick FuelColorBlackEmission Code5MaterialAluminumPr..

Discount 11%

30-899QFT | Bypass Regulator W/Jet Blue

$112.00$99.95

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30-899QFT | Bypass Regulator W/Jet Blue

Cast Bypass Regulator W/JET - Features blue powder-coated top and is desgined for use with a belt driven or mechanical fuel pump. Adjustable jet provides tuning of low RPM fuel pressure. Comes with stainless mounting bracket. All threads are NPT. •Adjustable from 4.5 - 9 PSI; Preset to 6.5 PSI •3/8" NPT ports •.375" (3/8") restriction •Recommended for use with alcohol fuels •Includes an 1/8" NPT..

Discount 11%

30-900QFT | Bypass Regulator

$123.00$109.95

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30-900QFT | Bypass Regulator

Bypass Regulator recommended for steady-state mechanical and electric fuel pumps. Comes with stainless mounting bracket. All thread are NPT. •Eliminates "creep" at low RPM without affecting fuel flow •Adjustable from 4.5 - 9 PSI; Preset to 6.5 PSI •3/8" NPT ports •.375" (3/8") restriction •Compatible for use with gas, alcohol and E85 fuels •Includes an 1/8" NPT port for manifold reference Boost..

Discount 10%

512-501 | ADJ FUEL PRES REG 85-92 CHVTPI

$178.00$159.95

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512-501 | ADJ FUEL PRES REG 85-92 CHVTPI

Holley fuel injection pressure regulators are designed to provide the correct fuel pressure for any high performance fuel injected vehicle. Regulators for dedicated applications are offered in various colors. These each feature a range of adjustability from 35-65 PSI. They are made to bolt in the stock location, so installation is a snap!Features:Adjustable from 35-65 psiCNC machined billet alumin..

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512-502 | ADJ FUEL PRES REG LT1 - CLEAR

$289.00$259.95

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512-502 | ADJ FUEL PRES REG LT1 - CLEAR

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512-502-1 | ADJ FUEL PRES REG LT1-RED

$312.00$279.95

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512-502-1 | ADJ FUEL PRES REG LT1-RED

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512-504-5 | MPFI BILLET FUEL PRES REG-BLK

$389.00$349.95

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512-504-5 | MPFI BILLET FUEL PRES REG-BLK

This precision adjustable fuel metering regulator is the ultimate fuel pressure control unit designed to work on all naturally aspirated EFI, turbo and supercharged applications like vehicles that run in the Pro Street, Pro Import and Outlaw classes. This is a 2 port 1:1 boost compensating return style regulator that is adjustable from 15-65 PSI + boost reference and is designed to be used in conj..

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512-515 | MPFI FUEL PRES REG - NON-ADJ - 43 PSI

$61.06$54.95

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512-515 | MPFI FUEL PRES REG - NON-ADJ - 43 PSI

Holley fuel injection pressure regulators are designed to provide the correct fuel pressure for any high performance fuel injected vehicle. They're made to bolt in the stock location, so install is a snap! This regulator is also a replacement regulator for the Holley Commander 950 MPFI system.AdjustableNon-AdjustableApplication1984-1987 Buick GN / RegalBrandHolleyEmission Code4FinishBlack Anodiz..

Discount 17%