Monte Carlo & G-Body LS Swap Parts for Custom Builds

High-Performance LS Swap Parts for Monte Carlo & G-Body Builds

Transform your Monte Carlo or G-Body with our premium LS swap parts designed to enhance performance, handling, and aesthetics. From long tube headers and coilover suspension kits to fuel tanks and digital gauge systems, we offer everything you need for a successful LS or LT engine conversion.

Whether you’re upgrading for a competitive edge or restoring your classic car, our parts are engineered for seamless fitment and maximum durability. Take your project to the next level with quality components tailored to your specific build requirements.

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1982-87 G-BODY LS SWAP LONGTUBE HEADERS 1 7/8"

SKU: 25-1137

25-1137-G

$349.99
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LS LONGTUBE HEADERS 1 3/4" C10 TRUCKS, A BODY, F-BODY, X-BODY, G-BODY UNIVERSAL LS1, LS2, LS3, LS6

SKU: 25-1025

25-1025

$304.99

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LS LONGTUBE HEADERS 1 7/8" C10 TRUCKS, A BODY, F-BODY, X-BODY UNIVERSAL LS1, LS2, LS3, LS6

SKU: 25-1026

25-1026

$324.99
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LT LONGTUBE HEADERS 1 7/8" C10 TRUCKS, A BODY, F-BODY, X-BODY LT1 LT4

SKU: 25-1058

25-1058

$334.98
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LS MID-LENGTH HEADERS 1 3/4" UNIVERSAL

SKU: 25-1066

25-1066

$264.98
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1978-1988 GM G-Body Rear Coilover Kit - Control Arm Relocation - 2”-3” Lowering

SKU: 3048-xxx

3048-XXX

$969.99
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1978-1988 GM G-Body Rear Coilover Kit - Bolt In - 2”-3” Lowering

SKU: 3049-xxx

3049-XXX

$909.99
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1978-1988 G-Body Lowering Spring Kit - 1"-2" Lowering

SKU: 3050FR

3050FR

$319.99
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1978-1988 GM G-Body, 1982-2003 S10/S15 Viking Front Coilover Kits

SKU: 3058-xxx

3058-XXX

$764.99
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1978-1988 GM G-Body, 1982-2003 S10/S15 Competition Front End Kit

SKU: 3059-x-x

3059-X-X

$2,259.99
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1978-1988 GM G-Body Corner Max kit

SKU: 306201-x

306201-X

$2,948.99
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1978-1988 GM G-Body Rear Coilover Kit - Control Arm Relocation - Stock Height

SKU: 3064-xxx

3064-XXX

$969.99
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1978-1988 GM G-Body Rear Coilover Kit - Bolt In - Stock Height

SKU: 3065-xxx

3065-XXX

$909.99
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1978-87 GM G-BODY EXHAUST SYSTEM - 2.5 IN

SKU: 70501363-RHKR

70501363-RHKR

$1,143.95
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1978-1988 G-Body, 1982-2003 S10/S15, 1973-1977 A-Body Front Coilover Kit - Double Adjustable

SKU: A204-xxx

A204-XXXR

$640.00
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LS Swap Adjustable Engine Mounts (77-90 Caprice/Impala, 82-92 F-Body, 75-79 Nova, 78-88 G-Body)

SKU: DD-3550C

DD-3550C-PC

$124.99
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Dingo LT Ez Gen V (75-92) Car Conversion Engine Mounts

SKU: DD-6550C

DD-6550C-PC

$134.99
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1978-1988 GM G-Body Handling Package - Stage 1-3.5

SKU: GBF001

GBF001

$1,138.99
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1978-1988 GM G-Body Handling Kit - Stage 4

SKU: GBF004

GBF004

$4,699.99
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1978-1988 GM G-Body Shock/Spring Lowering Kit - Double Adjustable

SKU: GBFxxx-x

GBFXXX-X

$1,169.99
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1978- 88 Chevy Monte Carlo HDX Instruments

SKU: HDX-78C-MC

HDX-78C-MC

$1,545.00
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1978-87 Oldsmobile Cutlass/442 HDX System

SKU: HDX-78O-CUT

HDX-78O-CUT

$1,545.00
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1984- 87 Buick Regal And Grand National HDX Instruments

SKU: HDX-84B-REG

HDX-84B-REG

$1,545.00
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LS Swap Drive By Wire Throttle Pedal Bracket

SKU: PEDALBRACKET

PEDALBRACKET

$65.00
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78-88 Chevy G-Body digital dash bezel

SKU: RR00141-X

RR00141-X

$172.00
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78-81 Chevy G-Body sweep dashboard bezel

SKU: RR00364-X

RR00364-X

$173.00
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1978- 88 Chevy Monte Carlo, 1978- 87 Chevy El Camino/ Malibu/ Caballero RTX instruments

SKU: RTX-78C-MC-1

RTX-78C-MC-1

$1,645.00
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1978-85 Chevy Monte Carlo / El Camino / Malibu / Caballero RTX Instruments

SKU: RTX-78C-MC-X

RTX-78C-MC-X

$1,645.00
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1984-87 Buick Regal RTX Instrument System

SKU: RTX-84B-REG-X

RTX-84B-REG-X

$1,645.00
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1986-88 Chevy Monte Carlo RTX Instrument System

SKU: RTX-86C-MC-1

RTX-86C-MC-1

$1,645.00
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1978-1988 GM G-Body UMI Shock and Spring Kit

SKU: SS10305x

SS10305X

$729.98
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1978-88 Chevy Monte Carlo / Malibu / Bonneville steel gas tank kit

SKU: TM306A-T-KIT

TM306A-T-KIT

$585.00
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1978-88 Chevy Monte Carlo / Malibu / Bonneville steel gas tank kit - 450LPH

SKU: TM306A-T-KIT-450

TM306A-T-KIT-450

$600.00
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1978-87 Buick Regal steel gas tank kit

SKU: TM307A-T-KIT

TM307A-T-KIT

$585.00
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1981-88 Oldsmobile Cutlass steel gas tank kit

SKU: TM309A-T-KIT

TM309A-T-KIT

$585.00
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Vintage Air SureFit Gen 5 Complete AC Kit Chevy/GM

SKU: VA-COMP-KIT

VA-COMP-KIT

$2,200.00
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1978-88 Olds Cutlass VFD Gauge System

SKU: VFD3-78O-CUT

VFD3-78O-CUT-X

$850.00
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81-88 Monte Carlo/El Camino Six Gauge VFD Instrument System w/Blue and Teal Lenses

SKU: VFD3-81C-MC-Z

VFD3-81C-MC-Z

$850.00
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1984-87 Buick/T-Type/GNX Regal VFD Gauge System

SKU: VFD3-82B-REG

VFD3-82B-REG

$850.00
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1984-87 Buick Regal/T-Type/GNX VFD Gauge System w/ Boost Gauge

SKU: VFD3-82B-REG-T

VFD3-82B-REG-T

$955.00
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1978- 88 Chevy Monte Carlo, 1978- 87 Chevy El Camino, Malibu And Caballero VHX Instrument System

SKU: VHX-78C-MC

VHX-78C-MC

$925.00
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1978-88 Oldsmobile Cutlass VHX Instruments

SKU: VHX-78O-CUT

VHX-78O-CUT

$975.00
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1984-87 Buick Regal And Grand National VHX Instruments

SKU: VHX-84B-REG

VHX-84B-REG

$925.00
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1978-88 G-BODY LS/LT TRANSMISSION CROSSMEMBER 4L/6L/8L/10L/T56

SKU: 12644HKR-1

12644HKR-1

$341.95
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1973-87 GM Car & Truck 4 Bolt Clam Shell Mounts

SKU: DD-LS-CLAM1

DD-LS-CLAM1

$46.99
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CPP LS Exhaust Manifolds - Black/Chrome/Ceramic (Universal)

SKU: CPLS

CPLS

$295.00

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Holley 255LPH OE tank style EFI fuel tank modules

SKU: ACC-1091

ACC-1091

$399.95

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Frequently Asked Questions

What’s included in the rear coilover kits?

Our rear coilover kits come with adjustable shocks and springs for precise ride height and suspension tuning.

Do the fuel tanks support EFI systems?

Yes, our fuel tanks are EFI-ready and include options with high-flow pumps for high-performance builds.

What’s the difference between HDX, RTX, and VHX instrument systems?

HDX systems feature hybrid digital-analog displays, RTX systems mimic a classic appearance with modern tech, and VHX offers a sleek digital interface.

Do I need to modify the frame to install the LS engine mounts?

No, our adjustable engine mounts are designed for a bolt-in installation, accommodating various engine positions without frame modifications.

Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. All PSI Harnesses are Made in the USA. In addition to wiring harnesses, PSI carries Holley Products, Vintage Air A/C, Dakota Digital Gauges, HPTuners and PCM programming, Fuel Pump Kits, Engine Sensors, Extension Harnesses, Replacement GM connector pigtails and a complete line of hardware to complete your conversion needs!

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Monte Carlo & G-Body LS Swap Parts for Custom Builds

High-Performance LS Swap Parts for Monte Carlo & G-Body Builds

1982-87 G-BODY LS SWAP LONGTUBE HEADERS 1 7/8"

LS LONGTUBE HEADERS 1 3/4" C10 TRUCKS, A BODY, F-BODY, X-BODY, G-BODY UNIVERSAL LS1, LS2, LS3, LS6

LS LONGTUBE HEADERS 1 7/8" C10 TRUCKS, A BODY, F-BODY, X-BODY UNIVERSAL LS1, LS2, LS3, LS6

LT LONGTUBE HEADERS 1 7/8" C10 TRUCKS, A BODY, F-BODY, X-BODY LT1 LT4

LS MID-LENGTH HEADERS 1 3/4" UNIVERSAL

1978-1988 GM G-Body Rear Coilover Kit - Control Arm Relocation - 2”-3” Lowering

1978-1988 GM G-Body Rear Coilover Kit - Bolt In - 2”-3” Lowering

1978-1988 G-Body Lowering Spring Kit - 1"-2" Lowering

1978-1988 GM G-Body, 1982-2003 S10/S15 Viking Front Coilover Kits

1978-1988 GM G-Body, 1982-2003 S10/S15 Competition Front End Kit

1978-1988 GM G-Body Corner Max kit

1978-1988 GM G-Body Rear Coilover Kit - Control Arm Relocation - Stock Height

1978-1988 GM G-Body Rear Coilover Kit - Bolt In - Stock Height

1978-87 GM G-BODY EXHAUST SYSTEM - 2.5 IN

1978-1988 G-Body, 1982-2003 S10/S15, 1973-1977 A-Body Front Coilover Kit - Double Adjustable

LS Swap Adjustable Engine Mounts (77-90 Caprice/Impala, 82-92 F-Body, 75-79 Nova, 78-88 G-Body)

Dingo LT Ez Gen V (75-92) Car Conversion Engine Mounts

1978-1988 GM G-Body Handling Package - Stage 1-3.5

1978-1988 GM G-Body Handling Kit - Stage 4

1978-1988 GM G-Body Shock/Spring Lowering Kit - Double Adjustable

1978- 88 Chevy Monte Carlo HDX Instruments

1978-87 Oldsmobile Cutlass/442 HDX System

1984- 87 Buick Regal And Grand National HDX Instruments

LS Swap Drive By Wire Throttle Pedal Bracket

78-88 Chevy G-Body digital dash bezel

78-81 Chevy G-Body sweep dashboard bezel

1978- 88 Chevy Monte Carlo, 1978- 87 Chevy El Camino/ Malibu/ Caballero RTX instruments

1978-85 Chevy Monte Carlo / El Camino / Malibu / Caballero RTX Instruments

1984-87 Buick Regal RTX Instrument System

1986-88 Chevy Monte Carlo RTX Instrument System

1978-1988 GM G-Body UMI Shock and Spring Kit

1978-88 Chevy Monte Carlo / Malibu / Bonneville steel gas tank kit

1978-88 Chevy Monte Carlo / Malibu / Bonneville steel gas tank kit - 450LPH

1978-87 Buick Regal steel gas tank kit

1981-88 Oldsmobile Cutlass steel gas tank kit

Vintage Air SureFit Gen 5 Complete AC Kit Chevy/GM

1978-88 Olds Cutlass VFD Gauge System

81-88 Monte Carlo/El Camino Six Gauge VFD Instrument System w/Blue and Teal Lenses

1984-87 Buick/T-Type/GNX Regal VFD Gauge System

1984-87 Buick Regal/T-Type/GNX VFD Gauge System w/ Boost Gauge

1978- 88 Chevy Monte Carlo, 1978- 87 Chevy El Camino, Malibu And Caballero VHX Instrument System

1978-88 Oldsmobile Cutlass VHX Instruments

1984-87 Buick Regal And Grand National VHX Instruments

1978-88 G-BODY LS/LT TRANSMISSION CROSSMEMBER 4L/6L/8L/10L/T56

1973-87 GM Car & Truck 4 Bolt Clam Shell Mounts

CPP LS Exhaust Manifolds - Black/Chrome/Ceramic (Universal)

Holley 255LPH OE tank style EFI fuel tank modules

Frequently Asked Questions

What’s included in the rear coilover kits?

Do the fuel tanks support EFI systems?

What’s the difference between HDX, RTX, and VHX instrument systems?

Do I need to modify the frame to install the LS engine mounts?

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