Overview Reviews Product Description Fuel Pressure Regulator - HP Billet - 4.5 to 9 psi - In-Line - 3/8 in NPT Inlet - 3/8 in NPT Outlet - 1/8 in NPT Port - Bypass - Aluminum - Natural / Black Anodized - Diesel / E85 / Gas - Each Product Videos Custom Field Product Reviews Write a Review Write a Review × HOLLEY HP Billet Fuel Press. Regulator w/Bypass HLY12-842 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *
Quick view Details HOLLEY | sku: HLY12-841 HP Billet Fuel Press. Regulator w/Bypass MSRP: Now: $125.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-846 HP Billet Fuel Press. Regulator w/EFI Bypass MSRP: Now: $206.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-845 HP Billet Fuel Press. Regulator w/Bypass 12-845 MSRP: Now: $206.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-848 4500 Billet Fuel Press. Regulator w/EFI Bypass MSRP: Now: $215.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-843 HP Billet Fuel Press. Regulator MSRP: Now: $166.46 Add to Cart Quick view Details HOLLEY | sku: HLY12-880 Billet Bypass Regulator 4-65 psi HLY12-880 MSRP: Now: $161.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-840 HP Billet Fuel Press. Regulator 12-840 MSRP: Now: $116.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-847 4500 Billet Fuel Press. Regulator MSRP: Now: $215.96 Add to Cart ×
Quick view Details HOLLEY | sku: HLY12-846 HP Billet Fuel Press. Regulator w/EFI Bypass MSRP: Now: $206.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-845 HP Billet Fuel Press. Regulator w/Bypass 12-845 MSRP: Now: $206.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-848 4500 Billet Fuel Press. Regulator w/EFI Bypass MSRP: Now: $215.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-843 HP Billet Fuel Press. Regulator MSRP: Now: $166.46 Add to Cart Quick view Details HOLLEY | sku: HLY12-880 Billet Bypass Regulator 4-65 psi HLY12-880 MSRP: Now: $161.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-840 HP Billet Fuel Press. Regulator 12-840 MSRP: Now: $116.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-847 4500 Billet Fuel Press. Regulator MSRP: Now: $215.96 Add to Cart ×
Quick view Details HOLLEY | sku: HLY12-845 HP Billet Fuel Press. Regulator w/Bypass 12-845 MSRP: Now: $206.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-848 4500 Billet Fuel Press. Regulator w/EFI Bypass MSRP: Now: $215.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-843 HP Billet Fuel Press. Regulator MSRP: Now: $166.46 Add to Cart Quick view Details HOLLEY | sku: HLY12-880 Billet Bypass Regulator 4-65 psi HLY12-880 MSRP: Now: $161.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-840 HP Billet Fuel Press. Regulator 12-840 MSRP: Now: $116.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-847 4500 Billet Fuel Press. Regulator MSRP: Now: $215.96 Add to Cart ×
Quick view Details HOLLEY | sku: HLY12-848 4500 Billet Fuel Press. Regulator w/EFI Bypass MSRP: Now: $215.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-843 HP Billet Fuel Press. Regulator MSRP: Now: $166.46 Add to Cart Quick view Details HOLLEY | sku: HLY12-880 Billet Bypass Regulator 4-65 psi HLY12-880 MSRP: Now: $161.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-840 HP Billet Fuel Press. Regulator 12-840 MSRP: Now: $116.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-847 4500 Billet Fuel Press. Regulator MSRP: Now: $215.96 Add to Cart ×
Quick view Details HOLLEY | sku: HLY12-843 HP Billet Fuel Press. Regulator MSRP: Now: $166.46 Add to Cart Quick view Details HOLLEY | sku: HLY12-880 Billet Bypass Regulator 4-65 psi HLY12-880 MSRP: Now: $161.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-840 HP Billet Fuel Press. Regulator 12-840 MSRP: Now: $116.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-847 4500 Billet Fuel Press. Regulator MSRP: Now: $215.96 Add to Cart ×
Quick view Details HOLLEY | sku: HLY12-880 Billet Bypass Regulator 4-65 psi HLY12-880 MSRP: Now: $161.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-840 HP Billet Fuel Press. Regulator 12-840 MSRP: Now: $116.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-847 4500 Billet Fuel Press. Regulator MSRP: Now: $215.96 Add to Cart ×
Quick view Details HOLLEY | sku: HLY12-840 HP Billet Fuel Press. Regulator 12-840 MSRP: Now: $116.96 Add to Cart Quick view Details HOLLEY | sku: HLY12-847 4500 Billet Fuel Press. Regulator MSRP: Now: $215.96 Add to Cart ×
Quick view Details HOLLEY | sku: HLY12-847 4500 Billet Fuel Press. Regulator MSRP: Now: $215.96 Add to Cart