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.

IN STOCK - DROPSHIPS 1601-16ULTRA Pro Magnumâ„¢ Roller Rocker Arms. The Ultra Pro Magnumâ„¢ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnumâ„¢ Rockers, but they also take Stud mount Rocker performance, stability and value to a whole new level. The modern arched, web-like design... COMP Cams Rocker Arms CS 1.52 3/8 Ultra 1980-1982 Checker Marathon Base / Deluxe $523.67 |
OUT OF STOCK 1601-8The 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 Arms CS 1.52 3/8 Ultra 1980-1982 Checker Marathon Base / Deluxe $272.91 |
OUT OF STOCK 1602-16The Ultra Pro Magnumâ„¢ Roller Rocker Arms for Chevy 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 3/8" Stud diameter... COMP Cams Rocker Arms CS 1.6 3/8 Ultra 1980-1982 Checker Marathon Base / Deluxe $524.63 |
OUT OF STOCK 1602-8The Ultra Pro Magnumâ„¢ Roller Rocker Arms for Chevy 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 3/8" Stud diameter... COMP Cams Rocker Arms CS 1.6 3/8 Ultra 1980-1982 Checker Marathon Base / Deluxe $273.88 |
IN STOCK - DROPSHIPS 1604-16The Ultra Pro Magnumâ„¢ Roller Rocker Arms for Chevy 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 7/16" Stud diamete... COMP Cams Rocker Arms CS 1.52 7/16 Ultra 1980-1982 Checker Marathon Base / Deluxe $512.84 |
IN STOCK - DROPSHIPS 1604-8The Ultra Pro Magnumâ„¢ Roller Rocker Arms for Chevy 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 7/16" Stud diamete... COMP Cams Rocker Arms CS 1.52 7/16 Ultra 1980-1982 Checker Marathon Base / Deluxe $283.00 |
IN STOCK - DROPSHIPS 1605-16The Ultra Pro Magnumâ„¢ Roller Rocker Arms for Chevy 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 7/16" Stud diamete... COMP Cams Rocker Arms CS 1.6 7/16 Ultra 1980-1982 Checker Marathon Base / Deluxe $525.60 |
OUT OF STOCK 1605-8The Ultra Pro Magnumâ„¢ Roller Rocker Arms for Chevy 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 7/16" Stud diamete... COMP Cams Rocker Arms CS 1.6 7/16 Ultra 1980-1982 Checker Marathon Base / Deluxe $273.88 |
OUT OF STOCK 1607-8Ultra 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 Armes Tw 1.52 3/8 Ultra 1980-1982 Checker Marathon Base / Deluxe $274.85 |
OUT OF STOCK 1608-8Ultra 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 Armes Tw 1.52 7/16 Ultra 1980-1982 Checker Marathon Base / Deluxe $275.81 |
IN STOCK - DROPSHIPS 1609-8Ultra 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 Arms CS Tw 1.6 3/8 Ultra 1980-1982 Checker Marathon Base / Deluxe $275.81 |
IN STOCK - DROPSHIPS 1610-8Ultra 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 Arms CS Tw 1.6 7/16 Ultra 1980-1982 Checker Marathon Base / Deluxe $276.77 |

OUT OF STOCK 17001-16These 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 $323.07 |
OUT OF STOCK 17001-8These 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 1980-1982 Checker Marathon Base / Deluxe $182.26 |
IN STOCK - DROPSHIPS 17002-16These 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 $324.03 |
OUT OF STOCK 17002-8These 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 $189.97 |
OUT OF STOCK 17004-16These 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 $324.03 |
OUT OF STOCK 17004-8These 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 $189.97 |
IN STOCK - DROPSHIPS 17005-16These 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 $325.00 |
IN STOCK - DROPSHIPS 17005-8These High Energy 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 weight... COMP Cams High Energy Alum Rocker SBC 1 1980-1982 Checker Marathon Base / Deluxe $189.97 |
IN STOCK - DROPSHIPS 1801-16The 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 3/8in Ultra Pro 1975-1982 Checker Marathon Base / Deluxe $644.91 |
IN STOCK - DROPSHIPS 1801-8The 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 3/8in Ultra Pro 1975-1982 Checker Marathon Base / Deluxe $334.64 |
IN STOCK - DROPSHIPS 1802-16The 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 3/8in Ultra Pro 1975-1982 Checker Marathon Base / Deluxe $644.91 |
OUT OF STOCK 1802-8The 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 3/8in Ultra Pro 1975-1982 Checker Marathon Base / Deluxe $334.64 |
OUT OF STOCK 1803-16The 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 3/8in Ultra Pro 1975-1982 Checker Marathon Base / Deluxe $644.91 |