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Transfer Case Gearing Gearbox

3. The kit requires the gearbox portion (first 6 inches of the case) of a NP203 transfer case. Luckily, these cases are readily available at just about any domestic wrecking yard in the country. We paid $300 for this used one out of a '70s-era Chevy 3/4-ton pickup. ORD recommends getting a 203 from a '73-'77 pickup equipped with the Turbo 400 automatic transmission. This is preferred because it has the strongest input shaft available (32-spline) on NP203s. For additional transmission/transfer-case configurations, visit ORD's technical Web site.
Transfer Case Doubler Kit - Double Down

 3. The kit requires the gearbox portion (first 6 inches of the case) of a NP203 transfer case. Luckily, these cases are readily available at just about any domestic wrecking yard in the country. We paid $300 for this used one out of a '70s-era Chevy 3/4-ton pickup. ORD recommends getting a 203 from a '73-'77 pickup equipped with the Turbo 400 automatic transmission. This is preferred because it has the strongest input shaft available (32-spline) on NP203s. For additional transmission/transfer-case configurations, visit ORD's technical Web site.  View Related Article

 

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