Looking for aftermarket parts to modify or upgrade your 1981 Checker Marathon 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 1803-8The 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 CS 1.65 3/8in Ultra Pro 1975-1982 Checker Marathon Base / Deluxe $334.64 |
OUT OF STOCK 1804-16The 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 CS 1.5 7/16in Ultra Pro 1975-1982 Checker Marathon Base / Deluxe $644.91 |
OUT OF STOCK 1804-8The 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 CS 1.5 7/16in Ultra Pro 1975-1982 Checker Marathon Base / Deluxe $334.64 |
IN STOCK - DROPSHIPS 1805-16The 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 CS 1.6 7/16in Ultra Pro 1975-1982 Checker Marathon Base / Deluxe $644.91 |
OUT OF STOCK 1805-8The 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 CS 1.6 7/16in Ultra Pro 1975-1982 Checker Marathon Base / Deluxe $334.64 |
OUT OF STOCK 1806-16The 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 CS 1.65 7/16in Ultra Pro 1975-1982 Checker Marathon Base / Deluxe $644.90 |
OUT OF STOCK 1806-8The 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 CS 1.65 7/16in Ultra Pro 1975-1982 Checker Marathon Base / Deluxe $334.64 |
OUT OF STOCK 1807-16The 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 CS 1.55 3/8in Ultra Pro 1975-1982 Checker Marathon Base / Deluxe $644.91 |
OUT OF STOCK 1808-16The 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 CS 1.55 7/16in Ultra Pro 1975-1982 Checker Marathon Base / Deluxe $644.91 |
IN STOCK - DROPSHIPS 1808-8The 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 CS 1.55 7/16in Ultra Pro 1975-1982 Checker Marathon Base / Deluxe $334.64 |
IN STOCK - DROPSHIPS 1817-16The 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 CS 1.7 7/16in Ultra Pro 1977-1982 Checker Marathon Base / Deluxe $644.91 |
IN STOCK - DROPSHIPS 1817-8The 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 CS 1.7 7/16in Ultra Pro 1977-1982 Checker Marathon Base / Deluxe $334.64 |

OUT OF STOCK 1601-1The Ultra Pro Magnumâ„¢ Roller Rocker Arms for Chevy V8 265-400 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 1.52 rat... COMP Cams Rocker Arm CS 1.52 3/8 Ultra 1980-1982 Checker Marathon Base / Deluxe $57.54 |
IN STOCK - DROPSHIPS 1602-1The Ultra Pro Magnumâ„¢ Roller Rocker Arms for Chevy V6 200-262 c.i.d. and V8 265-400 c.i.d. (SBC) 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 featur... COMP Cams Rocker Arm CS 1.6 3/8 Ultra Pro 1980-1982 Checker Marathon Base / Deluxe $57.54 |
IN STOCK - DROPSHIPS 1604-1The Ultra Pro Magnumâ„¢ Roller Rocker Arms for Chevy V6 200-262 and V8 265-400 c.i.d. (SBC) 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 7/1... COMP Cams Rocker Arm CS 1.52 7/16 Ultra 1980-1982 Checker Marathon Base / Deluxe $71.72 |
OUT OF STOCK 1605-1The Ultra Pro Magnumâ„¢ Roller Rocker Arms for Chevy V6 200-262 and V8 265-400 c.i.d. (SBC) 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 7/1... COMP Cams Rocker Arm CS 1.6 7/16 Ultra 1980-1982 Checker Marathon Base / Deluxe $57.54 |
IN STOCK - DROPSHIPS 1607-1Ultra Pro Magnumâ„¢ Roller Rocker Arms 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. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity ... COMP Cams Rocker Arm CS Tw 1.52 3/8 Ultra 1980-1982 Checker Marathon Base / Deluxe $58.52 |
IN STOCK - DROPSHIPS 1608-1Ultra Pro Magnumâ„¢ Roller Rocker Arms 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. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity ... COMP Cams Rocker Arm CS Tw 1.52 7/16 Ultra 1980-1982 Checker Marathon Base / Deluxe $58.52 |
IN STOCK - DROPSHIPS 1609-1Ultra Pro Magnumâ„¢ Roller Rocker Arms 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. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity ... COMP Cams Rocker Arm CS Tw 1.6 3/8 Ultra 1980-1982 Checker Marathon Base / Deluxe $58.52 |
OUT OF STOCK 1610-1Ultra Pro Magnumâ„¢ Roller Rocker Arms 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. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity ... COMP Cams Rocker Arm CS Tw 1.6 7/16 Ultra 1980-1982 Checker Marathon Base / Deluxe $58.52 |
IN STOCK - DROPSHIPS 17001-1These High Energyâ„¢ Die Cast Aluminum Roller Rocker Arms for Chevy V8 265-400 Applications are perfect for street and moderate Race use. With a 3/8" Stud diameter and 1.5 ratio, the die cast, larger-than-stock body of the Rocker arms is made of aluminum for superior strength with light overall ... COMP Cams High Energy Alum Rocker SBC 1 1980-1982 Checker Marathon Base / Deluxe $46.94 |
IN STOCK 17002-1These High Energyâ„¢ Die Cast Aluminum Roller Rocker Arms for Chevy V8 265-400 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 overall ... COMP Cams High Energy Alum Rocker SBC 1 1980-1982 Checker Marathon Base / Deluxe $47.91 |
IN STOCK - DROPSHIPS 17004-1These High Energyâ„¢ Die Cast Aluminum Roller Rocker Arms for Chevy V8 265-400 Applications are perfect for street and moderate Race use. With a 7/16" Stud diameter and 1.5 ratio, the die cast, larger-than-stock body of the Rocker arms is made of aluminum for superior strength with light overall... COMP Cams High Energy Alum Rocker SBC 1 1980-1982 Checker Marathon Base / Deluxe $47.91 |
IN STOCK - DROPSHIPS 17005-1These High Energyâ„¢ Die Cast Aluminum Roller Rocker Arms for Chevy V8 265-400 Applications are perfect for street and moderate Race use. With a 7/16" 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 overall... COMP Cams High Energy Alum Rocker SBC 1 1980-1982 Checker Marathon Base / Deluxe $47.91 |
IN STOCK - DROPSHIPS 1801-1The 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 CS 1.5 3/8in Ultra Pro 1975-1982 Checker Marathon Base / Deluxe $76.85 |