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. The center of this conversion is our engine mounts and crossmember kit. This mount kit includes new frame brackets that bolt into existing holes in the frame. Unlike most LS swap parts on the market everything here was made to work together, so you'll have clean mounting of your engine and not a mix of unrelated parts. Our engine mounts position the engine so there is no steering interference, and our crossmember maintains the proper drive-line angle. There are many options to complete this conversion including, oil pans, headers, fuel system, cooling, front accessories, and wiring. Simply scroll down through the following part groups to see all that we offer for an easy, strong, and clean installation of your LS engine. See our installation guide for more info on this LS swap.
LS Series Swap
For 2014+ LT Series Click Here
Sold separately so you get what you need.
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
207-0002-40 LS and TH400
207-0002-35 LS and PG,TH350 or 4spd
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
*Using a TR-6060 will require the use of one of the late model transmission mount adapters listed below.
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.
207-1302-00 Engine mounts and frame brackets only $299.00
207-2200-00 Sure-Fit crossmember 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
We developed our MuscleRods high-clearance oil pan to offer the best combination of fit, clearance, oil control and ease of installation. Built to our specs by Moroso, the pan works with strokes up to 4.125" and retains the OEM oil filter location. The high-clearance pan kit includes the pickup tube, gasket, hardware and our exclusive pickup-tube girdle. The GM LH8 Muscle Car pan can also be used with this conversion, but please be aware the sump will extend below the front crossmember. For this reason our high-clearance pan is a must for any vehicle that has been lowered.
Click here for oil pan install article.
000-6400-00 High Clearance Oil Pan $469.00
000-6100-00 LH8 Oil Pan $249.00
000-6102-00 LH8 Oil Pan (machined for ‘08 up VVT bypass) $329.00
Our High Clearance oil pan will be very close to flush with the front crossmember on all models.
Baffled for better oil control.
OE oil filter location.
MR45006 1 ¾” ceramic coated mid-length headers $569.00
MR45016 1 ¾” ceramic coated long tube headers $749.00
MR45036 1 7/8” ceramic coated long tube headers $799.00
MR45056 2” ceramic coated long tube headers $899.00
MR45026 1 ¾” stepped to 1 7/8” ceramic coated long tube $949.00
MR45046 1 7/8” stepped to 2” ceramic coated long tube $999.00
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.
Oil pan kits come with our exclusive pickup tube girdle.
MuscleRods Ceramic Coated Headers
Our ceramic-coated headers offer many features that are normally only found 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 great ground clearance .We offer several sizes so you can match them to your horsepower level. 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. Standard ceramic finish is polished silver, contact us for bare steel and black ceramic coated pricing.
We have Stainless band clamps and header bolts along with reducer cones to help you complete your exhaust system. Click here for more info.
For those of you that really want to make a statement on the show field we offer these beautiful stainless mid-length headers from Ultimate Headers. These new-generation 1 7/8" headers have been developed to work with our engine mounts and with their investment cast flanges deliver the crowning touch to a show winning custom car build. Contact us for more info and pricing.
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
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 Walbro 255LPH fuel pump capable of supporting up 550hp. $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
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. Standard kit is for 255 LPH pumps with a 400 LPH version also available. Click for more info.
LS Conversion Intake Manifold kits
These kits includes everything you need to swap out your original intake to a fabricated aluminum, high-flow intake and convert to a larger cable-controlled throttle body. These are a great option for those using a truck pull-out package.
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) $589.00
313-9005-0A 78-88 G-Body (Auto trans) $619.00
613-9005-0M 78-88 G-Body (Manual trans) with fans $915.00
613-9005-0A 78-88 G-Body (Auto trans) with fans $945.00
Black Epoxy coating
Optional dual high performance fans installed
LS Swap Hoses and Line Kits
Check here for radiator hoses, transmission line and power steering kits to complete your swap.
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.
Gauge Components and Sensors
We offer a group of gauge adapters and sensors to get your original gauges working with your late model engine and transmission For more info click here.
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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Factory looking install
Radiator with steam port
High mount AC
Frame brackets bolt into factory bolt holes
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