Looking for aftermarket parts to modify or upgrade your 1978 Mercury Monarch with rocker arms? At Tunersports.com we carry a huge selection of the top name brand performance rocker arm parts and accessories.

OUT OF STOCK 1266-12These COMP Cams High Energyâ„¢ Steel Stud Mount Rocker Arms designed for 1967-78 Ford 6 cylinder 240-300 Applications feature a 3/8" Stud diameter and 1.6 ratio. High Energyâ„¢ Rockers help eliminate the noise and slop associated with older worn and high mileage stock Rocker arms. With a lon... COMP Cams Hi-Energy Rocker Arms Ford 6Cy 1975-1978 Mercury Monarch Base $218.53 |
IN STOCK - DROPSHIPS RP1431-1668-'89 Ford 289 c.i., 302 c.i.d. V8 (Rail Type) Rocker/Pushrod Kit Includes: Full Set of (16) Magnum Rocker Arms.... COMP Cams Rocker Arm/Pushrod Kit Magnum 1975-1980 Mercury Monarch Base $282.56 |
OUT OF STOCK RPM1431-1668-'89 Ford 289 c.i., 302 c.i.d. V8 (Rail Type) Rocker/Pushrod Kit Includes: Full Set of (16) Magnum Rocker Arms.... COMP Cams Rocker Arm/Pushrod Kit FS Mag 1975-1980 Mercury Monarch Base $395.34 |
IN STOCK - DROPSHIPS RPR1428-1668-'89 Ford 289 c.i., 302 c.i.d. V8 (Rail Type) Rocker/Pushrod Kit Includes: Full Set of (16) Magnum Rocker Arms.... COMP Cams Rocker Arm/Pushrod Kit Magnum 1975-1980 Mercury Monarch Base $304.74 |

OUT OF STOCK 17043-12These High Energyâ„¢ Die Cast Aluminum Roller Rocker Arms for Ford V8 289, 302-351W Applications are perfect for street and moderate Race use. With a 3/8" Stud diameter and 1.6 ratio, the die cast, larger-than-stock body of the Rocker arms is made of aluminum for superior strength with light ove... COMP Cams High Energy Alum Rocker SBF 1 1975-1980 Mercury Monarch Base $264.22 |
OUT OF STOCK 1830-16The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precisio... COMP Cams Rockers FC 1.73 7/16in Ultra Pro 1975-1980 Mercury Monarch Base $653.59 |
OUT OF STOCK 1830-8The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precisio... COMP Cams Rockers FC 1.73 7/16in Ultra Pro 1975-1980 Mercury Monarch Base $341.39 |
OUT OF STOCK 1831-16The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precisio... COMP Cams Rockers FS 1.6 3/8in Ultra Pro 1975-1980 Mercury Monarch Base $644.91 |
OUT OF STOCK 1831-8The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precisio... COMP Cams Rockers FS 1.6 3/8in Ultra Pro 1975-1980 Mercury Monarch Base $334.62 |
IN STOCK - DROPSHIPS 1832-16The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precisio... COMP Cams Rockers FS 1.6 7/16in Ultra Pro 1975-1980 Mercury Monarch Base $644.91 |
IN STOCK - DROPSHIPS 1833-16The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precisio... COMP Cams Rockers FS 1.7 3/8in Ultra Pro 1975-1980 Mercury Monarch Base $644.91 |
IN STOCK - DROPSHIPS 1833-8The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precisio... COMP Cams Rockers FS 1.7 3/8in Ultra Pro 1975-1980 Mercury Monarch Base $334.64 |
IN STOCK - DROPSHIPS 1834-16The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precisio... COMP Cams Rockers FS 1.7 7/16in Ultra Pro 1975-1980 Mercury Monarch Base $644.91 |
IN STOCK - DROPSHIPS 1834-8The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precisio... COMP Cams Rockers FS 1.7 7/16in Ultra Pro 1975-1980 Mercury Monarch Base $334.64 |
IN STOCK - DROPSHIPS 1838-16The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precisio... COMP Cams Rockers FC 1.8 7/16in Ultra Pro 1975-1980 Mercury Monarch Base $653.59 |
IN STOCK - DROPSHIPS 1838-8The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precisio... COMP Cams Rockers FC 1.8 7/16in Ultra Pro 1975-1980 Mercury Monarch Base $341.39 |

IN STOCK - DROPSHIPS 1266-1This COMP Cams High Energyâ„¢ Steel Stud Mount Rocker Arm designed for 1967-78 Ford 6 cylinder 240-300 Applications features a 3/8" Stud diameter and 1.6 ratio. High Energyâ„¢ Rockers help eliminate the noise and slop associated with older worn and high mileage stock Rocker arms. With a long... COMP Cams Hi-Energy Rocker Arm Ford 6Cy 1975-1978 Mercury Monarch Base $46.50 |
OUT OF STOCK 1830-1The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precisio... COMP Cams Rocker FC 1.73 7/16in Ultra Pro 1975-1980 Mercury Monarch Base $83.58 |
IN STOCK - DROPSHIPS 1831-1The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precisio... COMP Cams Rocker FS 1.6 3/8in Ultra Pro 1975-1980 Mercury Monarch Base $76.85 |
IN STOCK - DROPSHIPS 1832-1The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precisio... COMP Cams Rocker FS 1.6 7/16in Ultra Pro 1975-1980 Mercury Monarch Base $76.85 |
IN STOCK - DROPSHIPS 1833-1The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precisio... COMP Cams Rocker FS 1.7 3/8in Ultra Pro 1975-1980 Mercury Monarch Base $76.85 |
IN STOCK - DROPSHIPS 1834-1The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precisio... COMP Cams Rocker FS 1.7 7/16in Ultra Pro 1975-1980 Mercury Monarch Base $76.85 |
OUT OF STOCK 1838-1The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precisio... COMP Cams Rocker FC 1.8 7/16in Ultra Pro 1975-1980 Mercury Monarch Base $83.58 |

IN STOCK M-6529-A302Have you ever had problems adjusting rocker arms on your car? Kiss those problems goodbye with these rocker arm shim kits from Ford Racing. They are to be used with all bolt-down style roller rocker arms to obtain correct lifter preload. These kits include 16 thin and 16 thick shims, which can be us... Ford Racing Valve Rocker Arm Pedestal SHim Kit 1978-1980 Mercury Monarch Base $49.16 |