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Competition Cams 127600
XFI SPR 237/244 Hydraulic Roller Cams for Ford 4.6/5.4L Modular 3 Valve; Max effort street/strip cam with very rough idle, needs ported heads. Good midrange with incredible power up to 7000+ RPM. Solid power gains above 4900 RPM. Spring/phaser upgrade and custom tuning required. 4.10+ gears and 3200+ stall.
Competition Cams 127650
XFI SPR Blower 245/256 Hydraulic Roller Cams for Ford 4.6/5.4L Modular 3 Valve; Max effort blower cam with very rough idle, needs ported heads. Great mid-range power w/ incredible gains up to 7000+ RPM. Solid power gains above 4900 RPM, requires spring/phaser upgrade. Requires custom tuning. 4.10+ gears, 3200+ stall.
