KW423 - 1.25"-46mm Apex Pro Lock Key Washers 2" Aluminum- QTY 4 KTM 390 Duke a 20% thicker core area

a 20% thicker core area with a 27% improvement in volume

These bearings also have enlarged chamfers for greater crankshaft fillet clearance and are made without flash plating for better seating

Hard chome plated 4130 chromoly steel shaft

Upgrading from head bolts to studs also allows you to obtain a much more accurate torque reading

48RE (1989-2007)

KW423 - 1.25"-46mm Apex Pro Lock Key Washers 2" Aluminum- QTY 4 KTM 390 Duke a 20% thicker core area1. 25" ProLock Keyway Washer fits 2" aluminum adjusting sleeve Fitments: KIT120 Jeep Wrangler JL JT 2. 5 Ton Steering Kit Black Aluminum KIT121 Jeep Wrangler JL JT 2. 5 Ton Dana44 Tie Rod Kit Black Aluminum KIT122 Jeep Wrangler JL JT 2. 5 Ton Dana30 Tie Rod Kit Black Aluminum KIT123 Jeep Wrangler JL JT 2. 5 Ton Drag Link Kit Black Aluminum No Flip KIT124 Jeep Wrangler JL JT 2. 5 Ton Drag Link Kit Black Aluminum Yes Flip KIT125 Jeep Wrangler JL JT 2. 5