1988-1998 GM Trucks LS Conversion
These LS swap kits are for 1988-1998 GM 2wd and 4wd trucks and 1992-1999 SUVs. 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.
1988-98 GM Truck
LS Series Swap
For 2014+ LT Series Click Here
Sold separately so you get what you need.
Everything here is made specifically for your truck
No generic hope-it-fits parts here. Everything was developed on a real project truck for the best possible fit.
2wd Mount and Crossmember Kit
This 2wd mount and crossmember kit locates the engine in the best place for use with late model overdrive transmissions and front accessory drives. Works with both 1/2 and 3/4 ton models. Includes motor mounts, frame brackets, transmission crossmember, transmission mount, and hardware. Made from American made steel and laser cut, precision bent, powder coated and feature polyurethane bushings with a lifetime free replacement warranty. Contact us for individual components. $519.00
*Using a TR-6060 and some 8L90E/10L90E transmissions will require the use of one of the late model mount adapters listed below.
4wd Engine Mount and Frame Bracket kit
This 4wd mount kit locates the engine at the factory bell housing location so you can use your original transmission, transfer case and crossmember. If using a late model transmission you will have to relocate your crossmember and trim for fitment. Includes motor mounts, frame brackets, and hardware.
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 that is great for people looking for additional ground clearance.
000-6100-00 LH8 Oil Pan $299.00
000-6102-00 LH8 Oil Pan (machined for ‘08 up VVT bypass) $379.00
000-6400-00 Moroso High Clearance Oil Pan $529.00
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.
Muscle Rods 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. These headers do not work with 4wd. Includes gaskets, bolts, reducers, and O2 sensor bungs. Standard ceramic finish is polished silver, contact us for bare steel and black ceramic coated pricing.
At this time there are no headers available for 4wd trucks. You can use the original LS truck manifolds along with our engine mount kit and oil pan kits.
MR45666 1 ¾” ceramic coated mid-length headers (2wd only) $569.00
MR45676 1 ¾” ceramic coated long tube headers (2wd only) $749.00
MR45696 1 7/8” ceramic coated long tube headers (2wd only) $799.00
MR45716 2” ceramic coated long tube headers (2wd only) $899.00
MR45686 1 ¾” stepped to 1 7/8” long tube (2wd only) $949.00
MR45706 1 7/8” stepped to 2” long tube (2wd only) $999.00
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 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. They 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 and they include gaskets, bolts, and O2 sensor bungs.
120-6795 1 7/8” Stainless Steel long-tube headers (2wd only) $1049.00
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.
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
Our Pump and fitting kit makes it easy to convert your existing fuel tank to work with your new LS engine. The kit includes a Walbro 255 lph in-tank fuel pump to go onto your existing sending unit and all fittings needed to then hook your sending unit to our fuel line kit.
320-6601-00 87-97 GM Truck Fuel Pump and Fitting kit $197.00
602-6601-00 98 GM Truck Fuel Pump and Fitting kit $231.00
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 Conversion Radiators
We now offer conversion radiators specifically designed for your truck 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 bare aluminum or black and with or without high performance electric fans installed. Come in 2 different core sizes. Please measure yours before ordering.
313-9051-0M 88-95 LS Radiator 28.25" Core (Manual Trans) $679.00
313-9051-0A 88-95 LS Radiator 28.25" Core (Auto Trans) $755.00
313-9052-0M 88-93 LS Radiator 34" Core (Manual Trans) $679.00
313-9052-0A 88-93 LS Radiator 34" Core (Auto Trans) $755.00
613-9051-0M 88-95 LS Radiator 28.25" Core (Manual) with fans $1078.00
613-9051-0A 88-95 LS Radiator 28.25" Core (Auto) with fans $1154.00
613-9052-0M 88-93 LS Radiator 34" Core (Manual) with fans $1078.00
613-9052-0A 88-93 LS Radiator 34" Core (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.
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 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 truck. Hit the link for more info.
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