2011-2016 Ford F250/F350/F450 RWD, 4WD 4'' Tapered Rear Block Kit for 1 Piece Drive Shaft FUEL SYSTEMS 2011-2015 DURAMAX 6.6L LML pressure and leak tested

pressure and leak tested

Manufactured from Quench and Tempered Steel with a Yield strength of 100

22% Airflow Increase over Stock

2011-2016 6

2011-2016 Ford F250/F350/F450 RWD, 4WD 4'' Tapered Rear Block Kit for 1 Piece Drive Shaft FUEL SYSTEMS 2011-2015 DURAMAX 6.6L LML pressure and leak tested4 inch rear lift 2 & 4WD models For trucks with 1 piece driveshafts only Lift height will vary depending on what factory block your truck has Kit includes: pair of rear 4 inch lift blocks with integrated OEM style bump stops Extended E coated U bolts Necessary hardware Carrier bearing spacer NOTE: The lift blocks in this kit are not designed to work with aftermarket or factory add on air spring load leveling kits that attach to the bump stop tangs.