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September 1st - We have concluded our production outline for 2024 and product inventory has been updated with availability. Once these items sell out, they will be unavailable until Approx February 2025. Current fulfillment times range from a few days on small items to 30 days on core, turnkey, and prerunner kits. We are continuing to add and update site.
September 1st - We have concluded our production outline for 2024 and product inventory has been updated with availability. Once these items sell out, they will be unavailable until Approx February 2025. Current fulfillment times range from a few days on small items to 30 days on core, turnkey, and prerunner kits. We are continuing to add and update site.
4x4 van drivetrain

4x4 Van Drivetrain Parts

Shop À la carte drivetrain parts related to 4x4 van conversions.
Original price $345.00 - Original price $455.00
Original price
$345.00 - $455.00
$345.00 - $455.00
Current price $345.00

4L80 Manual Transfer Case Shifter Kit

Timberline Supply
Inventory 5

Description This is a universal bolt-up manual transfer case shifter for the 4L80 transmission found in GM trucks and vans. The kit is optimized fo...

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Original price $345.00 - Original price $455.00
Original price
$345.00 - $455.00
$345.00 - $455.00
Current price $345.00
Original price $379.00 - Original price $379.00
Original price
$379.00
$379.00 - $379.00
Current price $379.00

8L90 Bolt-Up 4x4 Conversion Kit

Timberline Supply
Inventory 5

Description: This is the component kit required to convert a 2-wheel drive 8L90 transmission to 4x4. This conversion can be performed in-vehicle wi...

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Original price $379.00 - Original price $379.00
Original price
$379.00
$379.00 - $379.00
Current price $379.00
Original price $845.00 - Original price $1,295.00
Original price
$845.00 - $1,295.00
$845.00 - $1,295.00
Current price $845.00

GM Van 4x4 IFS Front Differential Mounting System - Standard Lift

Timberline Supply
Inventory 3

Description: This kit includes the basic components, templates, and bracketry required to hang a 4x4 IFS GM front differential from your 2003-2023 ...

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Original price $845.00 - Original price $1,295.00
Original price
$845.00 - $1,295.00
$845.00 - $1,295.00
Current price $845.00
Original price $65.00 - Original price $65.00
Original price
$65.00
$65.00 - $65.00
Current price $65.00

Hub Spacer Kit 2WD to 4x4 Adapter Rings

Timberline Supply
Inventory 4

Description: Our CNC-cut powder-coated hub spacer is a key component of GM 4x4 van conversions where the original van knuckles are retained. These ...

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Original price $65.00 - Original price $65.00
Original price
$65.00
$65.00 - $65.00
Current price $65.00
Original price $10,295.00 - Original price $12,395.00
Original price
$10,295.00 - $12,395.00
$10,295.00 - $12,395.00
Current price $10,295.00

GM Van 4x4 Turnkey Conversion Kit Standard Lift

Timberline Supply
Inventory 2

Please visit our FAQ and Build pages if you have not already. They genuinely have good information that will aid your decision making and project...

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Original price $10,295.00 - Original price $12,395.00
Original price
$10,295.00 - $12,395.00
$10,295.00 - $12,395.00
Current price $10,295.00
Original price $4,395.00 - Original price $6,395.00
Original price
$4,395.00 - $6,395.00
$4,395.00 - $6,395.00
Current price $4,395.00

GM Van 4x4 Core Conversion Kit Standard Lift

Timberline Supply
Inventory 2

Description: This is the Timberline core components kit required to convert your 2500 or 3500 series GM van to 4-wheel-drive. We have worked dilig...

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Original price $4,395.00 - Original price $6,395.00
Original price
$4,395.00 - $6,395.00
$4,395.00 - $6,395.00
Current price $4,395.00
Original price $345.00 - Original price $455.00
Original price
$345.00 - $455.00
$345.00 - $455.00
Current price $345.00

4L60 & 4L65 Manual Transfer Case Shifter Kit

Timberline Supply
Inventory 5

Description This is a universal bolt-up manual transfer case shifter for the 4L60/4L65 transmission found in GM trucks and vans from 1992-2013. The...

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Original price $345.00 - Original price $455.00
Original price
$345.00 - $455.00
$345.00 - $455.00
Current price $345.00
Original price $1,295.00 - Original price $1,345.00
Original price
$1,295.00 - $1,345.00
$1,295.00 - $1,345.00
Current price $1,295.00

8.25 IFS AAM Rebuilt Front Differential

Timberline Supply
Inventory 5

Description: Variations of the 8.25" front AAM carrier have been used in full size GMC vehicles since 1988. These are common in 1/2 ton Silverados...

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Original price $1,295.00 - Original price $1,345.00
Original price
$1,295.00 - $1,345.00
$1,295.00 - $1,345.00
Current price $1,295.00
Original price $2,095.00 - Original price $3,379.00
Original price
$2,095.00 - $3,379.00
$2,095.00 - $3,379.00
Current price $2,095.00

GM 4x4 Conversion Over The Counter Essentials Kit

Timberline Supply
Inventory 5

Description: This kit comprises the over-the-counter components necessary to complete our standard and Hi-Lift 4x4 torsion bar conversions on mos...

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Original price $2,095.00 - Original price $3,379.00
Original price
$2,095.00 - $3,379.00
$2,095.00 - $3,379.00
Current price $2,095.00
Original price $1,195.00 - Original price $1,195.00
Original price
$1,195.00
$1,195.00 - $1,195.00
Current price $1,195.00

GM 4x4 Conversion Hi-Lift Knuckles

Timberline Supply
Out of stock

Description: These are our GM Hi-Lift Knuckles for Chevy Express and GMC Savana full-size vans. These knuckles are several inches taller than the c...

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Original price $1,195.00 - Original price $1,195.00
Original price
$1,195.00
$1,195.00 - $1,195.00
Current price $1,195.00
Sold out
Original price $199.00 - Original price $380.00
Original price
$199.00 - $380.00
$199.00 - $380.00
Current price $199.00

6L90 Manual Transfer Case Shifter Kit

Timberline Supply
Inventory 5

Description This is a bolt-up manual transfer case shifter for the 6L80 transmission found in many GM pickups and vans. Our shifter is designed to...

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Original price $199.00 - Original price $380.00
Original price
$199.00 - $380.00
$199.00 - $380.00
Current price $199.00
Original price $75.00 - Original price $75.00
Original price
$75.00
$75.00 - $75.00
Current price $75.00

Timberline Helper Kit

Timberline Supply
Inventory 5

Description: Are you building a 4x4 van? Let us help you with the consumables. Drawing on our experience of hundreds of 4x4 conversions, these are ...

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Original price $75.00 - Original price $75.00
Original price
$75.00
$75.00 - $75.00
Current price $75.00
Original price $14,195.00 - Original price $16,395.00
Original price
$14,195.00 - $16,395.00
$14,195.00 - $16,395.00
Current price $14,195.00

GM 4x4 5" Turn-key Hi-Lift Torsion Bar Conversion Kit

Timberline Supply
Out of stock

Please visit our FAQ and Build pages if you have not already. They genuinely have good information that will aid your decision making and project ...

View full details
Original price $14,195.00 - Original price $16,395.00
Original price
$14,195.00 - $16,395.00
$14,195.00 - $16,395.00
Current price $14,195.00
Sold out
Original price $1,695.00 - Original price $1,695.00
Original price
$1,695.00
$1,695.00 - $1,695.00
Current price $1,695.00

NP261 Rebuilt Transfer Case for 4x4 Van Conversions

Timberline Supply
Out of stock

Description: The NP261 was built by New Process (New Venture) and is a reliable chain-driven transfer case used primarily in Chevrolet and GMC veh...

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Original price $1,695.00 - Original price $1,695.00
Original price
$1,695.00
$1,695.00 - $1,695.00
Current price $1,695.00
Sold out
Original price $1,695.00 - Original price $1,895.00
Original price
$1,695.00 - $1,895.00
$1,695.00 - $1,895.00
Current price $1,695.00

9.25 IFS AAM Rebuilt Front Differential

Timberline Supply
Out of stock

Description: The AAM 9.25 IFS axle was used in GM K-series trucks from 1988-2010. It features a lightweight cast aluminum housing and has 33 splin...

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Original price $1,695.00 - Original price $1,895.00
Original price
$1,695.00 - $1,895.00
$1,695.00 - $1,895.00
Current price $1,695.00
Sold out
Original price $485.00 - Original price $645.00
Original price
$485.00 - $645.00
$485.00 - $645.00
Current price $485.00

GM Full Size 4x4 Conversion Custom Rear Driveshaft

Timberline Supply
Out of stock

Description: We offer custom-built 1-piece driveshafts for 4x4 van conversions completed using our products. There is a good bit of variability in...

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Original price $485.00 - Original price $645.00
Original price
$485.00 - $645.00
$485.00 - $645.00
Current price $485.00
Sold out
Original price $395.00 - Original price $395.00
Original price
$395.00
$395.00 - $395.00
Current price $395.00

GM Full Size 4x4 Conversion Custom Front Driveshaft

Timberline Supply
Out of stock

Description: We offer custom-built driveshafts for 4x4 van conversions completed using our products. There is a bit of variability in the lengths ...

View full details
Original price $395.00 - Original price $395.00
Original price
$395.00
$395.00 - $395.00
Current price $395.00
Sold out
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