Orion Motor Tech 4-Piece 2" 8x170 Wheel Spacers Adapters 8 Lug 14x1.5 Studs for Ford Excursion F250 F350 Attention please: 1999-2015 Ford F250 F350 thread pitch could be 14x1.5 or 14x2.0, we only fit for 14x1.5 Bolt Pattern: 8x170mm to 8x170mm Thickness: 2 inches per piece, 4pcs include. Thread Size: 14 x 1.5 STUDS. Stud shoulder length: 22mm, YOU HAVE 34 mm TO HOLD YOUR WHEELS, PLEASE ENSURE THAT THIS IS ENOUGH FOR YOUR VEHICLE BEFORE PLACE ORDER, SOME MODELS NEED LONGER STUDS. Center Bore: 125 mm Forged Aluminum Alloy: made of Aerospace Grade 6061-T6 Aluminum, ensuring the highest level of performance and durability for your automobile, T6 heat treatment can greatly improve the rigidity. Precisely Machined: CNC machined with 60 degree taper to precise specifications, heat treated and hardened heavy duty spacers and studs for safety. Grade 10.9 Bolts: Made of Premium materials, ensuring outstanding performance. Increase Stability and Handling: widen your vehicles wheel base, increasing overall stability and providing you with better handling. Aggressive appearance, with the widened track base, your favorite vehicle will get a cooler look. Before installing wheel spacer adapters, please make sure that you have bought the compatible wheel spacer adapters for your vehicle. You can easily check by placing one wheel spacer adapter onto the rim, screw in the nuts manually, if you can do that without feeling any restriction, then you have got the appropriate wheel spacer adapter for your vehicle. If your OEM studs are longer than the spacer&#039;s thickness, you need to shorten the lug studs by grinding them down or replacing with shorter ones. Stud shoulder length: 22mm, you have 34 mm to hold your wheels, please ensure that this is enough for your vehicle before place order, some models need longer studs. 2003-2005 Ford Excursion - <u>Not Fit for 2001-2002 Excursion</u> 1999-2004 Ford F-250 F-350 - <u>Lug thread size could be 14x1.5 or 14x2.0, we only fit for 14x1.5</u> 2005-2015 Ford F-250 F-350 Super Duty - <u>Lug thread size could be 14x1.5 or 14x2.0, we only fit for 14x1.5</u> 2005-2008 Ford F-350 Harley Davison