Bore out service - D300 Retainer TH400 This kit puts the tone

This kit puts the tone ring and sensor on the yoke

The NP241 Strongbox is available as both a fully geared ready to install model

This kit is designed to to fit all models of Strongbox units

Traditionally it would require machining your NP205 housing in order to have it accept a 90mm shaft into an 80mm bore

Bore out service - D300 Retainer TH400 This kit puts the toneIf you are upgrading your Dana 300 from a stock 26 spline front output shaft to a 32 spline, you need to bore out your input retainer to fit the upgraded larger shaft. For customers that are not able to do this on their own, or do not have access to a machine shop, Behemoth Drivetrain offers bore out service for these retainers. The service works for both the Behemoth Drivetrain model 32 spline shaft and the JB Conversions 32 Spline front output.