1978-1988 G-Body LS Conversion
This LS swap kit is for (78-88) Monte Carlo, (78-83) Malibu, (78-87) El Camino, (81-87) Regal/Grand National, & (83-87) Cutlass. It was designed around our LH8 and High Clearance Oil Pan kits. The frame brackets bolt into existing holes in the frame and it was designed to give you the best options for other components. Unlike most LS swap parts on the market this kit replaces the frame brackets in addition to the mounts, 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 AC box, power brake booster, and aftermarket suspension components. We offer a complete line of Muscle Rods headers with a unique design that gives great ground clearance, with sizes to match your horsepower level. 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.
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.
207-0002-56 LS and T-56 or TR-6060
207-0002-60 LS and 4L60E to 4L70E
207-0002-80 LS and 4L80E, 4L85E
207-0002-89 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. $489.00
For those of you working on custom applications we offer our engine mounts separately. To ensure proper driveline angle we recommend getting the Mount and Crossmember kit together for standard LS swaps.
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.
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 long tube headers feature bolt-on race inspired collectors for ease of installation and tuning of primary length. The mid-lengths use a gasket-less ball and socket type collector for a leak free install. 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 engine combination. Our 1 ¾” mid-length headers offer great ground clearance and support up to 500hp. Our 1 ¾” long-tubes will support up to 600hp. For more than 600hp 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.
MR45006 1 ¾” ceramic coated mid-length headers $569.00
MR45016 1 ¾” ceramic coated long tube headers $699.00
MR45026 1 ¾” stepped to 1 7/8” ceramic coated long tube $849.00
MR45036 1 7/8” ceramic coated long tube headers $799.00
MR45046 1 7/8” stepped to 2” ceramic coated long tube $949.00
MR45056 2” ceramic coated long tube headers $849.00
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.
Coil Relocation Kits and Extreme Race Wires
Muscle Rods Coil Relocation Kits alleviates the problem of the rear coils hitting the power brake booster or air conditioning box when swapping the LS engines into early vehicles. A perfect match to them is our high performance spark plug wires featuring 45° boots. For more info click here.
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.
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. They're a double pass design putting the inlet and outlet on the same side which greatly simplifies plumbing to the engine. 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.
313-9005-0M 78-88 G-Body (Manual trans) $570.00
313-9005-0A 78-88 G-Body (Auto trans) $600.00
613-9005-0M 78-88 G-Body (Manual trans) with fans $895.00
613-9005-0A 78-88 G-Body (Auto trans) with fans $925.00
Black Epoxy coating
Optional dual high performance fans installed
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.
207-6680-04 78-88 Monte Carlo, 78-83 Malibu - 255 LPH pump $549.00
207-6680-06 78-88 Monte Carlo, 78-83 Malibu - 400 LPH pump $629.00
207-6681-04 78-87 Buick Regal EFI Tank kit - 255 LPH pump $549.00
207-6681-06 78-87 Buick Regal EFI Tank kit - 400 LPH pump $629.00
207-6682-04 78-87 Cutlass 4 door EFI Tank kit - 255 LPH pump $549.00
207-6682-06 78-87 Cutlass 4 door EFI Tank kit - 400 LPH pump $629.00
207-6683-04 81-88 Olds Cutlass EFI Tank kit - 255 LPH pump $549.00
207-6683-06 81-88 Olds Cutlass EFI Tank kit - 400 LPH pump $629.00
207-6684-04 78-81 Cutlass Notchback Tank kit - 255 LPH pump $549.00
207-6684-06 78-81 Cutlass Notchback 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.
EFI Sending Unit and In-Tank Fuel Pump
We offer this EFI Sending Unit to go inside of your existing G-Body fuel tank. It comes with everything you need to convert your original fuel tank to an In-tank fuel pump EFI set up. Includes a high quality 3/8" feed-line equipped sending unit that will work with your current fuel gauge and an Aeromotive 340LPH fuel pump capable of supporting up 800hp. $299.00
*This sending unit does not work with El Camino or Wagon models.
Fuel Fitting kit - G-Body
This fuel fitting kit allows you to modify our Fuel Sending Unit to connect to fuel lines with the much safer AN type fittings. This is needed to connect our Sending Unit to our Fuel Line and Regulator kit. $65.28
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.
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