Looking for aftermarket parts to modify or upgrade your 1977 Mercury Cougar with rocker arms? At Tunersports.com we carry a huge selection of the top name brand performance rocker arm parts and accessories for your Cougar.
Whether you have a 1977 Mercury Cougar in Base to XR-7 trim we have you covered. We have 35 rocker arms available to mod your Cougar. All parts have free shipping to the Continental US 48 States.
 SHIPS FROM MANUFACTURER 1235-1These COMP Cams High Energy Steel Pedestal Mount Rocker Arms designed for Ford 351 Windsor applications feature a 1.6 ratio. High Energy Rockers help eliminate the noise and slop associated with older worn and high mileage stock rocker arms. With a long slot for higher than stock lift camshafts, the... COMP Cams Hi-Energy Rocker Arm Ford 351 1974-1979 Mercury Cougar XR-7 1977-1977 Mercury Cougar Brougham / Villager 1977-1979 Mercury Cougar Base $37.96 |
 SHIPS FROM MANUFACTURER 1450-1These Magnum Roller Rocker Arms for Ford V8 289-351W (Rail Type) 1968-89 applications are the ultimate street rocker. With a 3/8" stud diameter and 1.7 ratio, they are designed for serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly steel, which is a s... COMP Cams Magnum Roller Rocker Ford SB 1969-1979 Mercury Cougar XR-7 1977-1977 Mercury Cougar Brougham / Villager 1977-1979 Mercury Cougar Base $38.14 |
 SHIPS FROM MANUFACTURER 1632-1The Ultra Pro Magnum Roller Rocker Arms for Small Block Ford 289-302 and 351 Windsor applications not only live up to the lofty standards of the original Pro Magnums, but they also take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 7/16" stud di... COMP Cams Rocker Arm FS/FW 1.6 7/16 Ult 1977-1979 Mercury Cougar Base $57.23 |
 SHIPS FROM MANUFACTURER 1634-1The Ultra Pro Magnum Roller Rocker Arms for Small Block Ford Self Aligning applications not only live up to the lofty standards of the original Pro Magnums, but they also take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 3/8" stud diameter and ... COMP Cams Rocker ArmFS/FW 1.6 3/8 Ult.P 1970-1978 Mercury Cougar XR-7 1977-1977 Mercury Cougar Brougham / Villager 1977-1978 Mercury Cougar Base $56.11 |
 SHIPS FROM MANUFACTURER 1830-1The next design evolution of the Hi-Tech Stainless Steel Roller Rocker Arms are built to outlast and outperform in accuracy and strength. The Ultra Pro Magnum XD Rocker Arms are engineered from durable 8650 steel and include a machined billet pushrod seat insert for a wide range of super accurate ra... COMP Cams Rocker FC 1.73 7/16in Ultra Pro 1968-1981 Mercury Cougar XR-7 1977-1977 Mercury Cougar Brougham 1977-1979 Mercury Cougar Base $65.58 |
 SHIPS FROM MANUFACTURER 1831-1The next design evolution of the Hi-Tech Stainless Steel Roller Rocker Arms are built to outlast and outperform in accuracy and strength. The Ultra Pro Magnum XD Rocker Arms are engineered from durable 8650 steel and include a machined billet pushrod seat insert for a wide range of super accurate ra... COMP Cams Rocker FS 1.6 3/8in Ultra Pro 1967-1981 Mercury Cougar XR-7 1977-1977 Mercury Cougar Brougham / Villager 1977-1979 Mercury Cougar Base $71.21 |
 SHIPS FROM MANUFACTURER 1832-1The next design evolution of the Hi-Tech Stainless Steel Roller Rocker Arms are built to outlast and outperform in accuracy and strength. The Ultra Pro Magnum XD Rocker Arms are engineered from durable 8650 steel and include a machined billet pushrod seat insert for a wide range of super accurate ra... COMP Cams Rocker FS 1.6 7/16in Ultra Pro 1974-1981 Mercury Cougar XR-7 1977-1977 Mercury Cougar Brougham / Villager 1977-1979 Mercury Cougar Base $65.55 |
 SHIPS FROM MANUFACTURER 1833-1The next design evolution of the Hi-Tech Stainless Steel Roller Rocker Arms are built to outlast and outperform in accuracy and strength. The Ultra Pro Magnum XD Rocker Arms are engineered from durable 8650 steel and include a machined billet pushrod seat insert for a wide range of super accurate ra... COMP Cams Rocker FS 1.7 3/8in Ultra Pro 1974-1981 Mercury Cougar XR-7 1977-1977 Mercury Cougar Brougham / Villager 1977-1979 Mercury Cougar Base $64.01 |
 SHIPS FROM MANUFACTURER 1834-1The next design evolution of the Hi-Tech Stainless Steel Roller Rocker Arms are built to outlast and outperform in accuracy and strength. The Ultra Pro Magnum XD Rocker Arms are engineered from durable 8650 steel and include a machined billet pushrod seat insert for a wide range of super accurate ra... COMP Cams Rocker FS 1.7 7/16in Ultra Pro 1967-1981 Mercury Cougar XR-7 1977-1977 Mercury Cougar Brougham / Villager 1977-1979 Mercury Cougar Base $65.14 |
 SHIPS FROM MANUFACTURER 1838-1The next design evolution of the Hi-Tech Stainless Steel Roller Rocker Arms are built to outlast and outperform in accuracy and strength. The Ultra Pro Magnum XD Rocker Arms are engineered from durable 8650 steel and include a machined billet pushrod seat insert for a wide range of super accurate ra... COMP Cams Rocker FC 1.8 7/16in Ultra Pro 1974-1981 Mercury Cougar XR-7 1977-1977 Mercury Cougar Brougham / Villager 1977-1979 Mercury Cougar Base $67.61 |