5 Bolt S10 NP231C to 6 Bolt Round (BlackBox/EcoBox) Adapter Kit

Regular price: $129.00
Sale price: $129.00
Regular price
Unit price: per

Part # ADT05-4111-K

Pilot Bore Size

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Overview

This is our 5 Bolt S10 NP231C to Standard 6 Bolt Round Adapter. Machined from 3/8" Steel to allow Maximum Spline Engagement, Strength and Durability. Our Adapters are Precision CNC Machined for Accurate Bore Alignment. This Adapter is Designed to Convert the 5 bolt NP231C to the Standard 6 Bolt Round Pattern BlackBox/EcoBox Underdrive. (Does Not Fit Factory GM 6 Bolt Round Adapters)

**The NP231C Transfer Case from the S10 came with two different Pilot Bore sizes 4.125" and 4.89" please verify your transfer case before ordering.**

MACHINED IN NORTH AMERICA.

Our products are made to the highest standards with zero compromises on quality or materials.

Products

5 Bolt S10 NP231C to 6 Bolt Round (BlackBox/EcoBox) Adapter Kit