C4 Corvette LS Conversion Kit

This swap kit was specifically designed for 1984-1996 Corvettes. Our complete mount kit includes motor mounts, transmission C beam bracket and all necessary hardware. The engine mounts feature polyurethane bushings that come with a lifetime replacement warranty and bolt to the factory frame brackets. It was designed around our 1998-2002 F-Body oil pan. We offer kits for the T-56 and 4L60E transmissions as well as engine mounts separately for you to use your OE transmission. We also offer 1 7/8” stainless steel long tube headers. See our installation guide for more info on this LS swap.

Available transmissions

425-0002-56    LS and T-56

425-0002-60    LS and 4L60E to 4L70E


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.

1984-96 Corvette

LS Series Swap

Engine and Transmission Mount Kit

Includes motor mounts, transmission C beam bracket, and hardware. Manufactured from the highest grade American made steel. They're laser cut, precision bent, powder coated and feature polyurethane bushings. Lifetime free replacement warranty on the bushings.


Individual Components

For those of you wanting to use your original transmission we offer our engine mounts separately. And for those of you just doing a transmission upgrade we offer the C beam bracket separately.

425-1302-ZF      Engine mounts only for LS and OE transmission                      $299.00


425-2200-56      C beam bracket only for T-56 transmission swap                      $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.

Oil Pan kits

Our swap kit was designed around the 1998-02 Camaro/Firebird oil pan.  Our oil pan kit includes windage tray, pickup tube, hardware, and gasket.

000-6200-00      New F-body Oil Pan                                                       $429.00

Oil pan kits come with our exclusive pickup tube girdle.

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


All of our stainless headers feature a collector merge-spike that creates a smooth transition from the primary tube into the collector. It reduces low pressure turbulence increasing the scavenging effect of the cylinders thus increasing flow and power output.

Smooth bends and transitions in 304 stainless steel.

MuscleRods Stainless Steel Headers

We have found that 1 7/8" is the best size header for most LS swaps. So, we now offer a 1 7/8" long-tube headers in stainless steel specifically for this LS swap. These headers feature 3/8" flanges and very smooths bends that create a great raw stainless look. The 304 Stainless steel ensures maintenance-free longevity. The long-tubes feature a slip-fit collector that when used with stainless steel band clamps offer the best ground clearance in the industry. The collector merge-spike increases power over the entire rpm range. They include gaskets, bolts, and O2 sensor bungs.


425-6795      1 7/8” Stainless Steel long-tube headers                           $1049.00

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.


Fuel Pump and Fitting Kit

Out Pump and fitting kit makes it easy to convert your existing fuel tank to work with your new LS engine. The kit includes an in-tank fuel pump to go onto your existing EFI sending unit and all fitting needed to then hook your sending unit to our fuel line kit. Available with 255 and 340 LPH fuel pump.

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 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 sensor port that can be used for a coolant temp fan switch. Excellent restoration type quality made in the USA. Available in bare aluminum or black.


313-9084-0M        84-89 Corvette LS Radiator (Auto & Man Trans)                   $755.00


313-9090-0A         90-96 Corvette LS Radiator (Manual Trans)                          $679.00


313-9090-0M        90-96 Corvette LS Radiator (Auto Trans)                              $755.00



Radiators with Cooling fans

613-9084-0M        84-89 Corvette LS Radiator (Auto & Man) fans                     $1154.00


613-9090-0A         90-96 Corvette LS Radiator (Manual) with fans                    $1078.00


613-9090-0M        90-96 Corvette LS Radiator (Auto) with fans                         $1154.00


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.

Wiring Harnesses and Computer

We offer many stand-alone harnesses as well as harness and re-flashed computer packages.

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.

LS Engine and MuscleRods T-Shirts

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


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