LS1 EFI Fuel Pump And Regulator/Filter Kit
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To make your LS1 transplant a little less painful, we put together these kits for you. If you already have a fuel pump in the tank, use the filter/regulator kit 910-12800.
This kit includes a high pressure MSD in-line pump capable of 43 gph @ 40 psi or 39 gph @ 80 psi, a filter/regulator assembly, and all necessary fittings (including fuel rail fitting and hard-to-find -6 AN female to 5/16" hose barb fitting). Pump draws only 5.4 amps and supports up to 500 horsepower. Pump features 3/8" hose barb inlet and 5/16" barb outlet.
Hose and additional fittings sold separately. MSD pump requires the use of 5/16" high pressure rubber hose with appropriate fuel injection hose clamps for the pressure side of the pump. New Vapor Guard hose, fittings and clamps shown below are now available for your one stop shop and to help make this install a snap.
NotesThe inlet side of the filter/regulator is the end with the (2) male port tubes. The larger 3/8" tube is the pressure inlet from the pump. The smaller 5/16" tube is the return to the tank. The female side of the filter/regulator utilizes the male 'snap' in fitting. This is the outlet side of the filter for the line to the fuel rail of the engine.
- Principal Application: Chevrolet Corvette ('99-'04)
- Filter Style: Fuel (Complete In-Line) Filter
- Filter Service: Fuel
- Filter Type: Full Flow
- Filter Media: Paper
- Filter Height: 5.755"
- Filter Outer Diameter Top: 2.230"
- Nominal Micron Rating: 5
- Regulated Pressure: 58 psi (fixed, non-adjustable)
- Pump Flow @ 40 psi: 43 gph (282 lb/hr) gasoline
- Pump Flow @ 80 psi: 39 gph gasoline
- Pump Operation: 12 volts/5.4 amps
- Pump Inlet: 3/8" hose nipple
- Pump Outlet: 5/16" hose nipple
- Includes 2 cushioned mounting clamps and 4 mounting bolts
What's In The KitEach kit from Speedway Motors is carefully packaged and delivered right to your door. Below is a list of all the items you should expect to receive when you order this kit. Some of these items may also be available for sale individually if you're here looking for replacement parts.
MSD 2225 In-Line Hi-Pressure Fuel PumpPart # 5472225Qty x 1
LS1 Fuel Filter/Fuel Regulator OnlyPart # 91012807Qty x 1
AN6 to 3/8 Inch Push-On for EFIPart # 61764940Qty x 1
LS1/LT1 EFI Fuel Line Fitting, -6 AN Male to 3/8 Inch Female, BluePart # 61744120Qty x 2
LS1/LT1 EFI Fuel Line Fitting, -6 AN Male to 5/16 Inch Female, BluePart # 61744110Qty x 1
Earls 750156ERL Vapor Guard Straight Hose End -6 to 5/16 InchPart # 425750156ERLQty x 1
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Q & A
Videos & Articles
by Pat O.Pat answers some commonly asked questions about the MSD LS fuel delivery kit and shows basic installation tips.
Speedway Motors and Classic Trucks built a 1952 Chevy truck in celebration of the 65th anniversary of Speedway Motors. Check out the short video on one of the products used in the build.