ReadyLift 4" Rear Block Lift For 2017-2021 F-350/F-450 Dual Rear Wheel Diesel bed covers Includes: Intake manifold and mounting

Includes: Intake manifold and mounting hardware

Horsepower gain up to +39 hp and +69 lb-ft of torque

(5) -6 to 9/16”-18 Straight Male Fittings

Proudly made in the USA and FMVSS No

ReadyLift 4" Rear Block Lift For 2017-2021 F-350/F-450 Dual Rear Wheel Diesel bed covers Includes: Intake manifold and mountingReadyLIFT OEM style rear block kits are now available for 2017 2021 Ford Super Duty F350 F450 DRW model specific applications. These 4. 0" fabricated steel Rear Block Kits include two (2) rear blocks, billet drive line spacer, four (4) long e coated u bolts and eight (8) nuts and washers. Based on OEM designs and never made out of light weight extrusions, our 4" 2017 2021 Ford Super Duty Tapered Rear Blocks have Integrated OEM style bump stops.