Looking for aftermarket parts to modify or upgrade your 1981 Checker Marathon with camshafts? At Tunersports.com we carry a huge selection of the top name brand performance camshaft parts and accessories.

IN STOCK - DROPSHIPS 12-670-4For Hydraulic Flat Tappet Lifters... COMP Cams Camshaft CS Nostalgia 300Hp+ 1980-1982 Checker Marathon Base / Deluxe $311.32 |
OUT OF STOCK 12-671-4For Hydraulic Flat Tappet Lifters... COMP Cams Camshaft CS Nostalgia L79+ 1980-1982 Checker Marathon Base / Deluxe $311.32 |
IN STOCK - DROPSHIPS 12-672-4For Hydraulic Flat Tappet Lifters... COMP Cams Camshaft CS Nostalgia 30-30H+ 1980-1982 Checker Marathon Base / Deluxe $311.32 |
IN STOCK - DROPSHIPS 12-673-4SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.... COMP Cams Camshaft CS Nostalgia 30-30+ 1980-1982 Checker Marathon Base / Deluxe $311.32 |
IN STOCK - DROPSHIPS 12-674-4Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts, the Xtreme Energy grind family offers gains i... COMP Cams Camshaft CS XS256S-10 1980-1982 Checker Marathon Base / Deluxe $311.32 |
IN STOCK - DROPSHIPS 12-675-4SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.... COMP Cams Camshaft CS XS262S-10 1980-1982 Checker Marathon Base / Deluxe $311.32 |
IN STOCK - DROPSHIPS 12-676-4SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.... COMP Cams Camshaft CS XS268S-10 1980-1982 Checker Marathon Base / Deluxe $311.32 |
IN STOCK - DROPSHIPS 12-677-4Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts, the Xtreme Energy grind family offers gains i... COMP Cams Camshaft CS XS274S-10 1980-1982 Checker Marathon Base / Deluxe $311.32 |
IN STOCK - DROPSHIPS 12-678-4SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.... COMP Cams Camshaft CS XS282S-10 1980-1982 Checker Marathon Base / Deluxe $311.32 |
IN STOCK - DROPSHIPS 12-679-5SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.... COMP Cams Camshaft CS XS290S-10 1980-1982 Checker Marathon Base / Deluxe $325.96 |
IN STOCK - DROPSHIPS 12-680-5SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.... COMP Cams Camshaft CS 269L283 S7 1980-1982 Checker Marathon Base / Deluxe $325.96 |
IN STOCK - DROPSHIPS 12-681-5SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.... COMP Cams Camshaft CS 273L283 S7 1980-1982 Checker Marathon Base / Deluxe $325.96 |
IN STOCK - DROPSHIPS 12-682-5SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.... COMP Cams Camshaft CS 270L312 S7 1980-1982 Checker Marathon Base / Deluxe $325.96 |
IN STOCK - DROPSHIPS 12-683-5SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.... COMP Cams Camshaft CS 274L312 S7 1980-1982 Checker Marathon Base / Deluxe $325.96 |
OUT OF STOCK 12-684-5SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.... COMP Cams Camshaft CS 270L322 S7 1980-1982 Checker Marathon Base / Deluxe $325.96 |
IN STOCK - DROPSHIPS 12-685-5SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.... COMP Cams Camshaft CS 274L322 S7 1980-1982 Checker Marathon Base / Deluxe $325.96 |
IN STOCK - LOW 12-686-47SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.... COMP Cams Camshaft CS 47S 290B-6 1980-1982 Checker Marathon Base / Deluxe $340.98 CLEARANCE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS 12-687-47SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.... COMP Cams Camshaft CS 47S 296TLS-6 1980-1982 Checker Marathon Base / Deluxe $340.98 |
OUT OF STOCK 12-688-47SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.... COMP Cams Camshaft CS 47S 278Xo-6 1980-1982 Checker Marathon Base / Deluxe $340.98 |
IN STOCK - DROPSHIPS 12-689-47SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.... COMP Cams Camshaft CS 47S 282Xos-6 1980-1982 Checker Marathon Base / Deluxe $340.98 |
IN STOCK - DROPSHIPS 12-690-47SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.... COMP Cams Camshaft CS 47S 290Xo-6 1980-1982 Checker Marathon Base / Deluxe $340.98 |
IN STOCK - DROPSHIPS 12-700-8SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order. WARNING: Camshaft Optimized for ... COMP Cams Camshaft CS 268A-R10 1980-1982 Checker Marathon Base / Deluxe $586.45 |
IN STOCK - DROPSHIPS 12-702-8SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order. WARNING: Camshaft Optimized for ... COMP Cams Camshaft CS 280A-R10 1980-1982 Checker Marathon Base / Deluxe $586.45 |
IN STOCK - DROPSHIPS 12-704-8SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order. WARNING: Camshaft Optimized for ... COMP Cams Camshaft CS 300BR-14 1980-1982 Checker Marathon Base / Deluxe $586.45 |
IN STOCK - DROPSHIPS 12-705-8SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or email us, and we will assist you with placing an order. WARNING: Camshaft Optimized for us... COMP Cams Camshaft CS 300A-R10 1980-1982 Checker Marathon Base / Deluxe $586.45 |