Comp Cams Xtreme EnergyT XS274S; 2200 - 6200 RPM Range 3GTACOBF if you have a smaller

if you have a smaller vehicle or SUV

DTMF functions

Made of neoprene

loosely install the 4 factory nuts back onto the studs of the factory bumper mounts (2 nuts each side)

it doesn't get much easier than this

Comp Cams Xtreme EnergyT XS274S; 2200 - 6200 RPM Range 3GTACOBF if you have a smallerXtreme EnergyT XS274S; 2200 6200 RPM Range Lifter Type: Solid Lifter Engine Family: Chrysler 383 440 C. I. 8 CYL. 1959 1980 Description: Solid Serious Street Strip 9. 5: 1 Compression w 2800+ Stall Strong Mid Range Cam Family: Xtreme EnergyT Mechanical Flat Tappet Camshafts Specification: RPM Range: 2200 to 6200 Valve Timing: 0. 015 Lobe Separation: 110 Intake Centerline: 106 Valve Lash: 0. 016 Intake 0. 018 Exhaust Duration: 274 Intake 280 Exhaust