Transfer Case Support for JB Conversions Dana 300 Heavy Duty Output Kit

JB Conversions Dana 300 – Heavy Duty Transfer Case Support

Add serious strength and stability to your drivetrain with our Heavy Duty Transfer Case Support, designed specifically for the JB Conversions Dana 300 Heavy Duty Output Kit.

Laser cut from 3/8" mild steel and CNC machined for precise bore tolerances, this two-piece clamp system securely supports your transfer case under high torque loads. The mounting foot is left extra long so you can trim it to your exact fitment needs—perfect for custom builds.

Note: Only compatible with JB Conversions Dana 300 Heavy Duty Output Kits.

Available Options:

Option #1 – DOM Tube with Poly Bushings

• 1× Upper Clamp

• 1× Lower Clamp

• 2× 1/4" x 2-1/2" NF Grade 8 Hex Head Cap Screws

• 2× 1/4" Grade 8 Flat Washers

• 1× 2" x 1/4" DOM Support Tube

• 2× Polyurethane Bushings

• 1× 3/4" x 1/8" Bushing Sleeve

• 2× 1/4" Bushing Tabs

• 1× 1/2" x 8" NF Grade 8 Hex Head Cap Screw

• 2× 1/2" Grade 8 Flat Washers

• 1× 1/2" NF Top Lock Nut (Plated)

Option #2 – Poly Mount

• 1× Upper Clamp

• 1× Lower Clamp

• 2× 1/4" x 2-1/2" NF Grade 8 Hex Head Cap Screws

• 2× 1/4" Grade 8 Flat Washers

• 1× Mounting Plate

• 1× Polyurethane Transmission Mount

• 2× 7/16" x 1-1/2" NF Grade 8 Hex Head Cap Screws

• 4× 7/16" Grade 8 Flat Washers

• 2× 7/16" NF Top Lock Nuts (Plated)

Option #3 – Rubber Mount

• 1× Upper Clamp

• 1× Lower Clamp

• 2× 1/4" x 2-1/2" NF Grade 8 Hex Head Cap Screws

• 2× 1/4" Grade 8 Flat Washers

• 1× Mounting Plate

• 1× Rubber Transmission Mount

• 2× 7/16" x 1-1/2" NF Grade 8 Hex Head Cap Screws

• 4× 7/16" Grade 8 Flat Washers

• 2× 7/16" NF Top Lock Nuts (Plated)

Option #4 – No Mount

• 1× Upper Clamp

• 1× Lower Clamp

• 2× 1/4" x 2-1/2" NF Grade 8 Hex Head Cap Screws

• 2× 1/4" Grade 8 Flat Washers

Highlights:

• Laser cut from 3/8" mild steel

• CNC machined for precise fitment

• Adjustable-length mounting foot for custom setups

• Available in multiple configurations
  

Whether you're daily driving or hitting the rocks, this support keeps your Dana 300 locked down tight.