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Oct 29 - We are getting pretty close on last inventory for this year for a few products, (2) Ford & GM Core kits done your way. We have just (2) 4 link kits left in HD only, and a handful of trackbar kits. Once these are gone there will be no further production until next year, so plan accordingly. We are taking some time here at the end of the year to work on the site, product development, and video editing. Thanks for stopping by!
Oct 29 - We are getting pretty close on last inventory for this year for a few products, (2) Ford & GM Core kits done your way. We have just (2) 4 link kits left in HD only, and a handful of trackbar kits. Once these are gone there will be no further production until next year, so plan accordingly. We are taking some time here at the end of the year to work on the site, product development, and video editing. Thanks for stopping by!
2018 Chevrolet Express Explorer Conversion Timberline Reboot

Upgrade / Maintain

About:

We have worked on 4x4 conversions from many builders. Many do great work. Some could improve. They all need maintenance including our own. In this section, you'll find both universal and specific build parts for maintaining your van and upgrading it. Specific packages will follow soon. If you have any questions about what products would work best to improve your vehicle, please contact us

Original price $299.95 - Original price $359.95
Original price
$299.95 - $359.95
$299.95 - $359.95
Current price $299.95

Superbeef Roof Rack Bracket System GM+Ford

Timberline Supply
Inventory 3

Description: The Timberline Superbeef roof rack bracket system is the perfect solution for mounting your custom-built roof rack on your full-size ...

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Original price $299.95 - Original price $359.95
Original price
$299.95 - $359.95
$299.95 - $359.95
Current price $299.95
Original price $99.00 - Original price $115.00
Original price
$99.00 - $115.00
$99.00 - $115.00
Current price $99.00

Easy-Wire Transfer Case Range LED Indicator Kit

Timberline Supply
Inventory 1

Description: Take the head-scratching out of wiring up the indicator for your transfer case. This is our Easy-Wire kit that cuts way down on time t...

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Original price $99.00 - Original price $115.00
Original price
$99.00 - $115.00
$99.00 - $115.00
Current price $99.00
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 $110.00 - Original price $110.00
Original price
$110.00
$110.00 - $110.00
Current price $110.00

GM 4x4 van Sway Bar Kit

Timberline Supply
Inventory 5

Description: Our GM 4x4 van sway bar kit simplifies the process of repositioning your sway bar and links when converting your van to 4x4. Switching...

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Original price $110.00 - Original price $110.00
Original price
$110.00
$110.00 - $110.00
Current price $110.00
Original price $79.00 - Original price $309.00
Original price
$79.00 - $309.00
$79.00 - $309.00
Current price $79.00

Shock Adapter Eyelet to Bar Style

Timberline Supply
Inventory 5

Description: This Eyelet-to-bar style adapter bracket can be used to retain your original van front shocks during your 4x4 conversion or our recomm...

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Original price $79.00 - Original price $309.00
Original price
$79.00 - $309.00
$79.00 - $309.00
Current price $79.00
Original price $299.00 - Original price $499.00
Original price
$299.00 - $499.00
$299.00 - $499.00
Current price $299.00

6" Superbeef Anti-Wrap Ultra Heavy Duty Lift Block Kit

Timberline Supply
Inventory 4

Description: Lift block options for heavy rigs are just very limited when you start looking at 5" or more and we really wanted to provide a perman...

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Original price $299.00 - Original price $499.00
Original price
$299.00 - $499.00
$299.00 - $499.00
Current price $299.00
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
Out of stock

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
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 $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
Out of stock

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
Sold out
Original price $115.00 - Original price $115.00
Original price
$115.00
$115.00 - $115.00
Current price $115.00

GM 4x4 Van Conversion Hi-Lift Sway Bar Link Kit

Timberline Supply
Out of stock

Description: The Hi-Lift sway bar link kit integrates perfectly with our designs and geometry for the 5"-6" lifted GM vans. These over-size extende...

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Original price $115.00 - Original price $115.00
Original price
$115.00
$115.00 - $115.00
Current price $115.00
Sold out
Original price $110.00 - Original price $110.00
Original price
$110.00
$110.00 - $110.00
Current price $110.00

GM 4x4 Van Hi-Lift Front Limit Strap Kit

Timberline Supply
Out of stock

Description: Introducing our Front Limit Strap Kit for Hi-Lift 4x4 GM conversion vans. These limit straps are vital to protecting shocks and coilov...

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Original price $110.00 - Original price $110.00
Original price
$110.00
$110.00 - $110.00
Current price $110.00
Sold out
Original price $1,095.00 - Original price $1,095.00
Original price
$1,095.00
$1,095.00 - $1,095.00
Current price $1,095.00

GM G-series Adjustable Upper Control Arms

Timberline Supply
Out of stock

Description: These are adjustable upper control arms for the Chevy Express and GMC Savana Van 2500/3500/4500 series vans from 2003-current. Our con...

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Original price $1,095.00 - Original price $1,095.00
Original price
$1,095.00
$1,095.00 - $1,095.00
Current price $1,095.00
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 $325.00 - Original price $325.00
Original price
$325.00
$325.00 - $325.00
Current price $325.00

Hi Clearance GM Center Link ($125 core)

Timberline Supply
Out of stock

Description: This high-clearance GM van center link is specially designed to address clearance issues with the steering linkage in 4x4 conversions,...

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Original price $325.00 - Original price $325.00
Original price
$325.00
$325.00 - $325.00
Current price $325.00
Sold out
Original price $139.00 - Original price $479.00
Original price
$139.00 - $479.00
$139.00 - $479.00
Current price $139.00

GM G-series 4x4 Conversion Rear Lift Kit

Timberline Supply
Out of stock

Description: Our GM G-series rear lift kit is a solid solution for lifting the rear of your GM van. This kit is compatible with 2003-current 1500/...

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Original price $139.00 - Original price $479.00
Original price
$139.00 - $479.00
$139.00 - $479.00
Current price $139.00
Sold out
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 $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 ...

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