Fuel Systems - HOLLEY EFI
Diesel Truck Fuel Systems
Diesel fuel systems are uniquely designed to provide superior efficiency, durability, and performance for heavy-duty trucks. Unlike gasoline systems, diesel truck fuel systems rely on compressed air and high-pressure injection, making them ideal for towing and long hauls. If you want to repair or upgrade one of these refined systems, you need high-quality diesel truck fuel system parts.
At Black Diamond Unlimited, we offer a comprehensive selection of diesel truck fuel system accessories to meet every need. From precision-engineered carburetor fittings and fuel cells to advanced methanol injection accessories and nitrous accessories, our diesel truck fuel tank parts will deliver the power and performance you’re after.
Holley EFI 12-851 2-PORT VR SERIES EFI REG..
Brand: Holley EFI
Part Number: 12-851
Two Port Adjustable 40 to 100 PSI Boost Reference 1:1The Holley VR Series billet fuel pressure regul..
$394.95
Holley EFI 12-864 4-PORT VR SERIES EFI REG..
Brand: Holley EFI
Part Number: 12-864
Adjustable 40 to 100 PSI Boost Reference 1:1The Holley VR Series billet fuel pressure regulators are..
$411.95
Holley EFI 12-889 FILTER/REG AY (8 AN, 175..
Brand: Holley EFI
Part Number: 12-889
Internal Regulator is preset at 59.5 psi #12-888 has 3/8" NPT ports. #12-889 has -8AN o-ring ports.W..
$161.95
Holley EFI 512-1 FUEL REGULATOR DIAPHRAGM ..
Brand: Holley EFI
Part Number: 512-1
Fits 1 bbl, 2 bbl, & 4 bbl Holley TBI,sRegulator Rebuild Kit for 1 bbl, 2 bbl, & 4 bbl Holley TBI re..
$75.75
Holley EFI 526-10 EFI FUEL TANK KIT, 40FT,..
Brand: Holley EFI
Part Number: 526-10
Fuel system consisting of 40 ft. of 3/8" Vapor Guard™ Fuel Hose, filter, and necessary hardware for ..
$338.95
Holley EFI 526-5 FUEL SYSTEM KIT, VAPOR GA..
Brand: Holley EFI
Part Number: 526-5
Fuel system consisting of; 20ft of 3/8" Vapor Guard™ Fuel Hose, 12-920 Fuel Pump, Filters, necessar..
$401.95
Holley EFI 534-204 FUEL RAIL KIT, LS1 2 X ..
Brand: Holley EFI
Part Number: 534-204
For Dual-Quad and Cathedral Port Hi-RamFuel Rail Kit, LS1 for Dual-Quad and cathedral port Hi-RamLS1..
$275.95
Holley EFI 534-211 ACC. -6 TO 3/8 MALE QUI..
Brand: Holley EFI
Part Number: 534-211
Adapter Kit for Fuel Rail Kit Holley P/N's 534-209 and 534-210Required when directly connecting Holl..
$36.24
Holley EFI 534-220 FUEL RAIL KIT 300-134 &..
Brand: Holley EFI
Part Number: 534-220
For #300-134 And 300-135This fuel rail kit is specifically designed to work with the Holley GM 2x4 ..
$275.95
Holley EFI 534-244 BILLET FUEL RAILS -OE T..
Brand: Holley EFI
Part Number: 534-244
Includes billet fuel rails, brackets, (4) -6 to 3/4-16 O-ring adapters, and mounting hardware.Our fu..
$210.95
Holley EFI 526-7 FUEL SYSTEM KIT, VAPOR GA..
Brand: Holley EFI
Part Number: 526-7
Includes complete fuel system consisting of; 40ft of 3/8" Vapor Guard™ Fuel Hose, 12-920 Fuel Pump,..
$485.95
Holley EFI 526-9 EFI FUEL TANK KIT, 20 FT,..
Brand: Holley EFI
Part Number: 526-9
For return-less systemHolley EFI fuel kits are the perfect addition to your Sniper EFI or Holley EFI..
$226.95
Holley EFI 534-203 FUEL RAIL KIT, LS3 HI-R..
Brand: Holley EFI
Part Number: 534-203
LS Fuel Rail Package for EFI Hi-Rams and single planeEFI fuel rails are machined for -8AN O-ring Fit..
$275.95
Holley EFI 534-209 BILLET FUEL RAILS -OE S..
Brand: Holley EFI
Part Number: 534-209
LS Hi-Flow Holley EFI Fuel Rails - Fits LS1, LS2, LS3, LS6 & L99 factory intakesLS Hi-Flow Holley EF..
$221.95
Holley EFI 534-210 BILLET FUEL RAIL KIT -O..
Brand: Holley EFI
Part Number: 534-210
LS Hi-Flow Holley EFI Fuel Rails - Same as 534-209, but also includes (6') braided hose, (4) 90º and..
$381.95