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4x4 Van Drivetrain Parts
4L80 Manual Transfer Case Shifter Kit
Timberline SupplyDescription 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...
View full details8L90 Bolt-Up 4x4 Conversion Kit
Timberline SupplyDescription: This is the component kit required to convert a 2-wheel drive 8L90 transmission to 4x4. This conversion can be performed in-vehicle wi...
View full detailsGM Van 4x4 IFS Front Differential Mounting System - Standard Lift
Timberline SupplyDescription: This kit includes the basic components, templates, and bracketry required to hang a 4x4 IFS GM front differential from your 2003-2023 ...
View full detailsHub Spacer Kit 2WD to 4x4 Adapter Rings
Timberline SupplyDescription: Our CNC-cut powder-coated hub spacer is a key component of GM 4x4 van conversions where the original van knuckles are retained. These ...
View full detailsGM Van 4x4 Turnkey Conversion Kit Standard Lift
Timberline SupplyPlease 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 detailsGM Van 4x4 Core Conversion Kit Standard Lift
Timberline SupplyDescription: 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...
View full details4L60 & 4L65 Manual Transfer Case Shifter Kit
Timberline SupplyDescription 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...
View full details8.25 IFS AAM Rebuilt Front Differential
Timberline SupplyDescription: 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...
View full detailsGM 4x4 Conversion Over The Counter Essentials Kit
Timberline SupplyDescription: This kit comprises the over-the-counter components necessary to complete our standard and Hi-Lift 4x4 torsion bar conversions on mos...
View full detailsGM 4x4 Conversion Hi-Lift Knuckles
Timberline SupplyDescription: 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...
View full details6L90 Manual Transfer Case Shifter Kit
Timberline SupplyDescription 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...
View full detailsTimberline Helper Kit
Timberline SupplyDescription: Are you building a 4x4 van? Let us help you with the consumables. Drawing on our experience of hundreds of 4x4 conversions, these are ...
View full detailsGM 4x4 5" Turn-key Hi-Lift Torsion Bar Conversion Kit
Timberline SupplyPlease 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 detailsNP261 Rebuilt Transfer Case for 4x4 Van Conversions
Timberline SupplyDescription: The NP261 was built by New Process (New Venture) and is a reliable chain-driven transfer case used primarily in Chevrolet and GMC veh...
View full details9.25 IFS AAM Rebuilt Front Differential
Timberline SupplyDescription: 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...
View full detailsGM Full Size 4x4 Conversion Custom Rear Driveshaft
Timberline SupplyDescription: We offer custom-built 1-piece driveshafts for 4x4 van conversions completed using our products. There is a good bit of variability in...
View full detailsGM Full Size 4x4 Conversion Custom Front Driveshaft
Timberline SupplyDescription: 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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