LS Conversion Specialists

LS engine swap kits for 1955 to 2003 cars and trucks

Everything here is made specifically for your car

No generic hope-it-fits parts here. Everything was developed on a real project car for the best possible fit.

1955-57 Chevy

1955-1957 Chevy LS Conversion

This LS swap kit is for 1955-1957 Bel Air, Biscayne, 150, 210 and Delray. It was designed around our GM LH8 and High Clearance Oil Pans. This kit comes with bolt-in frame brackets specifically made for this LS conversion. Unlike most LS swap parts on the market this kit was designed to work together, so you'll have clean mounting of your engine and not a mix of unrelated parts. Unlike other mounts, ours position the engine so there is no steering interference, and our crossmember maintains the proper drive-line angle for smooth highway cruising. It provides clearance for the factory heater box, power brake boosters, and aftermarket suspension components.  Our headers have been designed to clear the 500 and 600 series steering boxes and have awesome ground clearance. The following combined parts offer an easy, strong, and clean installation of your LS engine. See our installation guide for more info on this LS swap.

Available Transmissions

557-0002-56    LS and T-56 or TR-6060

557-0002-60    LS and 4L60E to 4L70E

557-0002-80    LS and 4L80E or 4L85E

557-0002-89    LS and 6L80E or 6L90E

Mount and Crossmember Kit

Includes motor mounts, frame brackets, transmission crossmember, transmission mount, and hardware.  Manufactured from the highest grade American made steel. They're laser cut, precision bent, powder coated and feature polyurethane bushings.  It has a lifetime free replacement warranty on the bushings.                                                   $499.00

Individual Components

For those of you working on custom applications we offer our engine mounts separately.

 

557-1302-00      Engine mounts and frame brackets only                       $299.00

Late Model Manual Transmission Mount Adapters

We have adapter brackets available for those of you using a TR-6060 or late model T-56 transmission used in the CTS-V and 5th generation Camaros. Click here for more info.

 

Solid Race Bushings

Also available are solid race bushings for our engine mounts.

Oil Pan kits

The LH8 pan is the oil pan that our LS swap was designed around. It comes standard or machined for the oil bypass valve to use with displacement on demand or variable valve timing. Includes new full length windage tray, pickup tube, hardware, gasket, dipstick, and our pickup tube girdle. We also offer our High Clearance oil pan. Built to our specs by Moroso this High Clearance oil pan is recommended for cars and trucks that have been lowered.

Click here for oil pan install article

 

000-6100-00      LH8 Oil Pan                                                                    $249.00

 

000-6102-00      LH8 Oil Pan (machined for ‘08 up VVT bypass)             $329.00

 

000-6400-00      Moroso High Clearance Oil Pan                                     $469.00

Oil pan kits come with our exclusive pickup tube girdle.

Our High Clearance oil pan will be flush or above the frame and the LH8 will fit like a vintage small or big block and hang a little below.

BRP Oil Pump Pickup Tube Girdle

Original GM oil pickup tubes are fastened to the pump with a single bolt mating flange on the tube. The bolt hole on the other side is not used. Our Girdle is cnc machined aluminum and goes over the original mating flange, wraps around the tube, and fastens using both bolt holes. Use with a little Locktight and it’s cheap insurance against an engine meltdown. It comes with two longer bolts for install.

 

000-6000-00      Girdle with hardware                                                      $34.95

 

 

MR45606      1 ¾” ceramic coated mid-length headers                           $569.00

 

MR45616      1 ¾” ceramic coated long tube headers                             $699.00

 

MR45626      1 ¾” stepped to 1 7/8” ceramic coated long tube               $849.00

 

MR45636      1 7/8” ceramic coated long tube headers                           $799.00

 

MR45646      1 7/8” stepped to 2” ceramic coated long tube                   $949.00

 

MR45656      2” ceramic coated long tube headers                                 $849.00

Muscle Rods Headers

These are not your average swap headers. These headers offer many feature that are normally only on custom race headers. We start with 3/8" laser cut flanges with the tubes welded inside and out and then machined. The mid-length headers use a gasket-less ball and socket type collector for a leak free install. The long tubes feature a slip-fit collector that when used in conjunction with band clamps offer the best ground clearance in the industry. They're ceramic coated inside and out to fight performance robbing underhood temperatures, then polished for a long lasting show quality finish.

We offer several sizes of headers so you can match them to your horsepower level. Our 1¾” mid-length headers support up to 500hp. For more power we offer 1 7/8” long-tubes, and for big cubic inch monster engines our 2" is a perfect match. Our stepped headers offer great high rpm performance while retaining good low and mid-range power. They all include gaskets, bolts, reducers, and O2 sensor bungs.

Our headers have been designed to clear the 500 and 600 series steering boxes.

Exhaust Accessories

We have Stainless band clamps and header bolts along with reducer cones to help you complete your exhaust system. Click here for more info.

 

Stainless Steel mid-length Ultimate Headers

For those of you that really want to make a statement on the show field we offer these beautiful 1 7/8" stainless mid-length headers. They feature cutting-edge design that redefines header style. Using the latest manufacturing processes and aeronautics-born materials they have raised the bar for performance exhaust systems. These new-generation headers deliver the crowning touch to a show winning custom car build and they perform as good as they look. Click the link for more info.

Ultimate Headers 1 7/8" mid-length LS headers                    starting at $1095.00

Wiring Harnesses with Ready to Run Re-flashed Computer

This is the quickest and easiest way to be running and on the road with your LS project. Includes a new wiring harness that has everything you need and a reflashed OE computer. Just plug it in and start enjoying your new LS swap. For more info click here.

Black Epoxy coating

LS Conversion Radiators

We now offer conversion radiators specifically designed for your car with an LS engine. They feature all aluminum construction, but unlike others on the market, they have beautifully stamped tanks with strengthening indentations just like your original. The all important steam port bung is welded into the upper part of the tank which lets your new LS engine vent properly. They also include a coolant temp fan switch in the tank. Excellent restoration type quality made in the USA. Available in bare aluminum or black and with or without a 16" high performance electric fan installed. The radiators below are in the V8 configuration that mounts to the back of the core support. Contact us for 6 cylinder configuration.

 

313-9012-0M        55-57 Chevy LS Radiator (Manual Trans)                    $570.00

 

313-9012-0A         55-57 Chevy LS Radiator (Auto Trans)                        $600.00

 

613-9012-0M        55-57 Chevy LS Radiator (Manual Trans) with Fan     $849.00

 

613-9012-0A         55-57 Chevy LS Radiator (Auto Trans) with Fan         $879.00

EFI In-Tank Pump Fuel Tanks kits

These conversion fuel tanks solve the problem of supplying your new LS engine with a steady flow of fuel. The tanks, made specifically for your car, feature a recessed area in the top for the fuel pump module and sending unit, so no floor modifications are needed for clearance. They have an innovative baffling system inside to control fuel slosh and keep the pump fed even at low fuel levels and extreme driving conditions. They are galvanized steel and powder coated silver for maximum durability. The kit includes a fuel sending unit designed to work with your factory style fuel gauge. The included fuel pump module features an in-tank wiring harness and three ports - one for the feed line, one for the return line, and one for the vent. The kit has two available Walbro fuel pump options. The standard 255 LPH pump or the 400 LPH pump for supercharged or 550+hp applications. The kit also includes tank straps, vent filter, gaskets, and hardware. They look like original equipment from under the car and are absolutely the best way to go when converting to EFI.

557-6680-04       55-56 Chevy EFI Fuel Tank kit - 255 LPH pump             $549.00

 

557-6680-06       55-56 Chevy  EFI Fuel Tank kit - 400 LPH pump            $629.00

 

557-6681-04       57 Chevy EFI Fuel Tank kit - 255 LPH pump                  $549.00

 

557-6681-06       57 Chevy EFI Fuel Tank kit - 400 LPH pump                  $629.00

Fuel Line and Regulator Kit

Our quick and easy complete fuel line systems includes everything needed to go from the fuel tank to the LS fuel rail. Includes P.T.F.E. braided and covered fuel line, an OE style fuel filter/regulator combo, line clamps, and all fittings and connectors needed. Click for more info.

LS Front Accessory Drives

Whether you are looking for original equipment style, or full billet custom, we have you covered. We have partial and complete kits in several finishes, that have been tested to work with our other components and your car. Hit the link for more info.

LS Engine and MuscleRods T-Shirts

Check out our Apparel Section for the latest in LS Engine and MuscleRods gear.

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