1964-67 A-Body LS Series

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.

New Design!

Requires no tunnel modifications with 4 speed overdrive automatics.

1964-1967 A-Body LS Conversion

This LS swap kit is made specifically for the 1964-1967 Chevelle, El Camino, Le Mans, GTO, Cutlass, Skylark, GS and Tempest. 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 pan, 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. 66 and 67 El Caminos use the Convertible part numbers since they use the same boxed frame.

Available transmissions

64-67 Coupe - 53 1/2"

101-0002-56    LS and T-56 or TR-6060*

101-0002-60    LS and 4L60E to 4L70E

101-0002-80    LS and 4L80E or 4L85E

101-0002-89    LS and 6L80E to 10L90E*

101-0002-40    LS and TH400

101-0002-35    LS and PG,TH350 or 4spd

Boxed Frame

64-67 Conv. / 66-67 El Camino - 43 1/2"

101-0102-56    LS and T-56 or TR-6060*

101-0102-60    LS and 4L60E to 4L70E

101-0102-80    LS and 4L80E or 4L85E

101-0102-89    LS and 6L80E to 10L90E*

101-0102-40    LS and TH400

101-0102-35    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. Since it was very common to put the boxed convertible frame under these cars for added stiffness please measure your frame or crossmember hole-center to hole-center before ordering.                         $529.00

*Using a TR-6060 and some 8L90E/10L90E transmissions will require the use of one of the late model mount adapters listed below.

Measure First

Crossmember/Frame hole to hole

53 1/2" range = Coupe Channel

43 1/4" range = Conv. Boxed

Individual Components

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.

101-1302-00      Engine mounts and frame brackets only                       $299.00


101-2200-00      Sure-Fit transmission crossmember - Coupe                $299.00


101-2201-00      Sure-Fit transmission crossmember - Conv/Elco          $299.00

Late Model Transmission Mount Adapters

We have adapter brackets available for those of you using Camaro TR-6060 or CTS-V T-56 manual transmissions and CTS-V 6L80E or 8L90E automatics. Click here for more info.


Solid Race Bushings

Also available are solid race bushings for our engine mounts.

000-6400-00      High Clearance Oil Pan                                                  $529.00

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.

Oil Pan kit

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.

Click here for oil pan install article.

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                                                      $24.95


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.

Mild steel ceramic coated headers coming soon.

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 header 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 in both the mid-length and long-tube. They include gaskets, bolts, and O2 sensor bungs.


101-6795      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.


EFI In-Tank Pump Fuel Tanks kits

There are two main fuel supply issues that arise when converting an early vehicle to late-model fuel injection: One is getting the fuel pump to live during long runs in high temperatures and the other is keeping the fuel pickup covered with fuel at low fuel levels. Our EFI conversion tanks solve both problems the same way the OEM manufacturers do by installing the fuel pump in the tank, and baffling the tank to minimize fuel slosh. Having the fuel pump in the tank keeps it cool, and a baffling system inside controls fuel movement and keeps the pump fed even at low fuel levels and extreme driving conditions. Another great benefit is that once installed, these tanks look like the originals. Click for more info.

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

Black Epoxy coating

Optional dual high performance fans installed

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 and with or without high performance electric fans installed.


313-9002-0M       64-67 Chevelle (Manual trans)                                   $679.00


313-9002-0A        64-67 Chevelle (Auto trans)                                       $755.00


313-9040-0M       64-67 GTO / Lemans 15.5" (Manual trans)                $679.00


313-9040-0A        64-67 GTO / Lemans 15.5" (Auto trans)                    $755.00


313-9041-0M       64-67 GTO / Lemans 17.5" (Manual trans)                $679.00


313-9041-0A        64-67 GTO / Lemans 17.5" (Auto trans)                    $755.00


Radiators with Cooling Fans

313-9002-MF       64-67 Chevelle (Manual trans)                                   $1078.00


313-9002-AF        64-67 Chevelle (Auto trans)                                       $1154.00


313-9040-MF       64-67 GTO / Lemans 15.5" (Manual trans)                $1078.00


313-9040-AF        64-67 GTO / Lemans 15.5" (Auto trans)                    $1154.00


313-9041-MF       64-67 GTO / Lemans 17.5" (Manual trans)                $1078.00


313-9041-AF        64-67 GTO / Lemans 17.5" (Auto trans)                    $1154.00

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.

Hydraulic Clutch Conversion Kits

This hydraulic clutch conversion kit is a must when installing a T56 (or TR6060) in your earlier vehicle. These easy bolt-in kits get you the great pedal feel of a hydraulic system and years of dependable, maintenance-free use.

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.


13” Brake Kit for GM 2-Piece Spindles

Our 13” Front brake kits are designed for use with early GM 2-piece spindles. They require the use of 17” wheels or larger (we cannot check fitment with all wheels, so please verify fitment prior to ordering). The kit includes all NEW parts including GM 2-piston calipers (with high performance brake pads), drilled, slotted & coated 13” rotors, stainless steel braided brake hoses (front only), brackets, shims and hardware.


013-3000-00      13” Brake Kit for Drum Spindles                                    $ 849.00


013-3100-00      13” Brake Kit for Disc Spindles                                      $ 849.00


12” Brake Swap Kits for GM 2-Piece Spindles

We offer disc brake conversion kits that allow you to use late model F-Body (1998-2002 Camaro & Firebird) 12” front and rear disc brakes on early muscle cars with GM 2-piece spindles. The kit is offered for either disc brake spindles or drum brake spindles and consists of both right & left brackets, spacers & hardware. Modifying your existing GM hubs to work with the new brakes ensures that you keep the same track width, which is a common problem with aftermarket brake kits. It’s a cost effective way to get great brakes on your car with affordable and easy to find replacement parts.


012-3000-00      12" Brake Swap Kit for Drum Brake Spindles                   $89.00


012-3100-00      12" Brake Swap Kit for Disc Brake Spindles                     $89.00



Rear Disc Brake adapter Kit

Our rear disc brake adapter kit allows you to use late model F-body rear brakes on your existing rear end. includes the spacer plates to re-position the backing plates to work with the early 10 & 12 bolt axles.


012-3400-00      F-Body Rear Brake Adapter plates                                   $39.00


LS Engine and MuscleRods T-Shirts

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


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