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Free #1221 Air Cleaner With AVS or Performer Carb Purchase Shop Edelbrock
Mutha' Thumpr NSR 234/254 Hydraulic Roller Cams for Ford 4.6/5.4L Modular 3 Valve
XFI NSR 214/227 Hydraulic Roller Cams for Ford 4.6/5.4L Modular 3 Valve
Big Mutha' Thumpr NSR 242/262 Hydraulic Roller Cams Ford 4.6/5.4L Modular 3 Valve
$924.95
Big Mutha' Thumpr NSR 242/262 Hydraulic Roller Cams Ford 4.6/5.4L Modular 3 Valve. Extremely rough idle, needs stroker motor and/or ported heads. Major HP gains to 6800 RPM. Best with 3.73+ gears and 2500 stall. Compatible with stock valve springs, requires cam phaser upgrade.