Roll-N-Lock M Series Retractable Cover For '04-'08 Ford F-150 Bed Length:6.5' a proprietary in-house velocity valve

a proprietary in-house velocity valve is tuned to react in sync with TeraFlex suspension systems and lift kits making them the perfect upgrade for your lift

• VOD reduces shock bottoming at full compression or over uneven terrain

Unique “Reverse Pin” technology prevents our linkage from flopping or rocking

These versatile trail tools tackle a multitude of jobs--sturdy skid plates

but the additional height helps compensate for heavier aftermarket gear such as bumpers

Roll-N-Lock M Series Retractable Cover For '04-'08 Ford F-150 Bed Length:6.5' a proprietary in-house velocity valveFits the following applications: '04 '08 Ford F 150 Roll N Lock M Series is the most advanced retractable truck bed cover made, has redefined the rules for truck bed security. From its retractable function, which permits opening or closing in literally seconds, to its rigid, vinyl over aluminum laminated construction, this hybrid cover offers everything other covers do not. There are no snaps to manipulate, there is no roll or bundle to lash down or