COMP Cams Camshaft Set F4.6S XE278Ah-13

SOHC - Xtreme Energy: Street/strip, needs lower gear ratio, 2400+ stall. Intake, exhaust and custom tuning required. Rough idle. COMP Cams Xtreme Energy 278AH-13 Camshaft Set for 4.6L and 5.4L SOHC Modular 2 Valve Ford with 1999-up Performance Improvement Heads SOHC - Xtreme Energy: Street/strip, needs lower gear ratio, 2400+ stall. Intake, exhaust and custom tuning required. Rough idle.; 278/282 Advertised Duration, 242/246 Duration .050", .550"/.550" Lift, 113 Lobe Separation; Requires cam gear set part #10246SET; Requires part #26113-16 valve springs and either 792-16 steel retainers or 791-16 titanium retainers; Part #26125-16 high load valve springs also available Fitment: Ford Crown Victoria Base 1992 to 2008 Ford Crown Victoria Base 2010 to 2011 Ford Crown Victoria LWB 2002 to 2003 Ford Crown Victoria LX 1992 to 2011 Ford Crown Victoria LX Sport 2004 to 2006 Ford Crown Victoria Police Interceptor 1993 to 2011 Ford Crown Victoria S 1992 to 2003 Ford Crown Victoria S 2005 Ford Crown Victoria Special Edition 2005 Ford Crown Victoria Touring Sedan 1992 Ford E-150 Base 2003 to 2014 Ford E-150 Chateau 2006 to 2007 Ford E-150 XL 2006 to 2014 Ford E-150 XLT 2006 to 2014 Ford E-150 Club Wagon Chateau 2003 to 2005 Ford E-150 Club Wagon XL 2003 to 2005 Ford E-150 Club Wagon XLT 2003 to 2005 Ford E-150 Econoline Base 1997 to 2002 Ford E-150 Econoline XL 1997 to 2000 Ford E-150 Econoline Club Wagon Chateau 1997 to 2002 Ford E-150 Econoline Club Wagon Custom 1997 to 2000 Ford E-150 Econoline Club Wagon XL 2001 to 2002 Ford E-150 Econoline Club Wagon XLT 1997 to 2002 Ford E-250 Base 2003 to 2014 Ford E-250 Econoline Base 1997 to 2002 Ford E-250 Econoline XL 1997 to 2000 Ford E-350 Club Wagon Chateau 2003 to 2005 Ford E-350 Club Wagon XL 2003 to 2005 Ford E-350 Club Wagon XLT 2003 to 2005 Ford E-350 Econoline Base 1997 to 1998 Ford E-350 Econoline XL 1997 to 1998 Ford E-350 Econoline Club Wagon Chateau 1997 to 2002 Ford E-350 Econoline Club Wagon Custom 1997 to 2000 Ford E-350 Econoline Club Wagon XL 2001 to 2002 Ford E-350 Econoline Club Wagon XL HD 1997 to 1998 Ford E-350 Econoline Club Wagon XLT 1997 to 2002 Ford E-350 Econoline Club Wagon XLT HD 1997 to 1998 Ford E-350 Super Duty Base 1999 to 2016 Ford E-350 Super Duty Chateau 2006 Ford E-350 Super Duty XL 1999 to 2000 Ford E-350 Super Duty XL 2006 to 2014 Ford E-350 Super Duty XLT 2006 to 2014 Ford Excursion Eddie Bauer 2003 to 2005 Ford Excursion Limited 2000 to 2005 Ford Excursion XLS 2004 to 2005 Ford Excursion XLT 2000 to 2005 Ford Expedition Eddie Bauer 1997 to 2006 Ford Expedition King Ranch 2006 Ford Expedition Limited 2005 to 2006 Ford Expedition NBX 2004 Ford Expedition XLS 2004 to 2006 Ford Expedition XLT 1997 to 2006 Ford Expedition XLT Sport 2004 Ford Expedition XLT Sport 2006 Ford Explorer Eddie Bauer 2002 to 2006 Ford Explorer Limited 2002 to 2006 Ford Explorer NBX 2004 Ford Explorer XLT 2002 to 2006 Ford Explorer XLT Sport 2004 to 2005 Ford F-150 Base 1997 to 2000 Ford F-150 FX2 2008 Ford F-150 Harley-Davidson Edition 2000 to 2003 Ford F-150 King Ranch 2001 to 2003 Ford F-150 Lariat 1997 to 2003 Ford F-150 Lightning 1999 to 2003 Ford F-150 STX 2004 to 2010 Ford F-150 THE 60TH ANNIVERSARY EDITION 2008 Ford F-150 XL 1997 to 2010 Ford F-150 XLT 1997 to 2010 Ford F-150 Heritage SVT Lightning 2004 Ford F-150 Heritage XL 2004 Ford F-150 Heritage XLT 2004 Ford F-250 Base 1997 to 1999 Ford F-250 Lariat 1997 to 1999 Ford F-250 XL 1997 to 1999 Ford F-250 XLT 1997 to 1999 Ford F-250 Super Duty King Ranch 2004 Ford F-250 Super Duty Lariat 1999 to 2004 Ford F-250 Super Duty XL 1999 to 2004 Ford F-250 Super Duty XLT 1999 to 2004 Ford F-350 Super Duty King Ranch 2003 to 2004 Ford F-350 Super Duty Lariat 1999 to 2004 Ford F-350 Super Duty XL 1999 to 2004 Ford F-350 Super Duty XLT 1999 to 2004 Ford Mustang GT 1996 to 2004 Ford Mustang GT Bullitt 2001 Ford Mustang Mach 1 2003 to 2004 Ford Mustang SVT Cobra 1996 to 1999 Ford Mustang SVT Cobra 2001 Ford Thunderbird LX 1994 to 1997 Lincoln Aviator Base 2003 to 2005 Lincoln Navigator Base 1998 to 1999 Lincoln Town Car Anniversary 1996 Lincoln Town Car Base 1991 to 1999 Lincoln Town Car Cartier 1991 to 2003 Lincoln Town Car Cartier L 2001 to 2003 Lincoln Town Car Cypress 1991 to 1995 Lincoln Town Car Designer Series 2006 to 2007 Lincoln Town Car Executive 1991 to 2010 Lincoln Town Car Executive L 2001 to 2011 Lincoln Town Car Executive Protection Series 2003 Lincoln Town Car Jack Nicklaus 1993 Lincoln Town Car Signature 1991 to 2007 Lincoln Town Car Signature L 2005 to 2011 Lincoln Town Car Signature Limited 2005 to 2011 Lincoln Town Car Touring Edition 1991 to 1995 Lincoln Town Car Touring Edition 1997 Lincoln Town Car Tournament Edition 1994 Lincoln Town Car Ultimate 2004 Lincoln Town Car Ultimate L 2004 Mercury Cougar XR-7 1994 to 1997 Mercury Grand Marquis GS 1992 to 2008 Mercury Grand Marquis GSL 2005 Mercury Grand Marquis Limited Edition 2005 Mercury Grand Marquis LS 1992 to 2011 Mercury Grand Marquis LSE 2003 Mercury Grand Marquis Ultimate Edition 2005 Mercury Mountaineer Base 2002 to 2004 Mercury Mountaineer Luxury 2005 to 2006 Mercury Mountaineer Premier 2004 to 2006 Mobility Ventures MV-1 DX 2014 to 2015 Mobility Ventures MV-1 LX 2014 to 2015 Mobility Ventures MV-1 SE 2015 VPG MV-1 Base 2011 to 2012 VPG MV-1 Deluxe 2011 to 2012