JB Conversions, Inc.

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Transfer Cases
& Upgrades

  • NP231 J (Jeep)
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  • NP231 D (Dodge)
  • NP241 C (Chevy)
  • NP241 D (Dodge)
  • NVG241OR (Rubicon)
  • Dana 300
  • NP205

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JB Conversions, Inc.

Dana 300 Transfer Case

LoMax 4:1 Gears
Output Shaft Upgrades
Rebuild Kits
Slide Ring Upgrade
Input Gears
OEM Components
Ball & Spring Kit
JB Conversions, Inc.

LoMax 4:1 Gear Set
Part #2307
$845.00


JB Conversions, Inc.

Dana 300 HD 32 Spline Rear Output Shaft kit
Part #2308
$510.00 (and up)



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JB Conversions, Inc.

Dana 300 32 Spline Front Output Shaft kit
Part #15-1103
$349.00 (and up)



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JB Conversions, Inc.

Rotation Plate Kit - Dana 300 (23 spline)
Part #15-1102
$250.00


JB Conversions, Inc.

Seal and Gasket Basic Kit w/Wide Dbl Lip Seals
Part #2307GSK
$45.00


JB Conversions, Inc.

Slide Ring
Part #2059
$75.00 each

JB Conversions, Inc.

23 Spline Input Gear (extended length input gear used with 3/4" thick rotation plate)
Part #1462
$175.00


JB Conversions, Inc.

27 Spline Input Gear (Use with NP208 Adapter to GM TH700R4)
Part #1469
$175.00


JB Conversions, Inc.

32 Spline Input Gear (use with GM NV4500, TH400 or 4L80 transmission applications)
Part #1467
$175.00


JB Conversions, Inc.

Twin Stick Ball & Spring Kit
Part #D300BSK
$35.00


JB Conversions, Inc.

Dana 300 Rebuild Kits
Part #24XX
$200.00 (and up)



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