View our Specials! Coupon Code: SaveIn2026
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 12-601-4Mutha' Thumpr 235/249 Hydraulic Flat Cam for Chevrolet Small Block 262-400. High performance street/strip, needs 9:1 compression, 2500+ stall, intake, Gears and headers, rough idle.... COMP Cams Camshaft CS 287T H-107 MT Thu 1980-1982 Checker Marathon Base / Deluxe $311.32 |
 OUT OF STOCK 12-601-8WARNING: Camshaft Optimized for use with a Melanized or Nitrided distributor Gear. Not compatible with cast or Steel Gears without similar surface treatments. Failure to utilize the proper distributor Gear will void all warranties and/or return policies.... COMP Cams Camshaft CS 291T HR-107 MT Th 1980-1982 Checker Marathon Base / Deluxe $586.45 |
 OUT OF STOCK 12-602-20Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods, the Thumpr series' early intake valve opening and long exhaust duration... COMP Cams Nitrided Camshaft CS 295T H7 1980-1982 Checker Marathon Base / Deluxe $468.95 |
 IN STOCK - DROPSHIPS 12-602-4Big Mutha' Thumpr 243/257 Hydraulic Flat Cam for Chevrolet Small Block 262-400. Street/strip, needs 9.5:1 compression, 2800+ stall, intake Gears and headers, very rough idle.... COMP Cams Camshaft CS 295T H-107 BMT Th 1980-1982 Checker Marathon Base / Deluxe $311.32 |
 OUT OF STOCK 12-602-8WARNING: Camshaft Optimized for use with a Melanized or Nitrided distributor Gear. Not compatible with cast or Steel Gears without similar surface treatments. Failure to utilize the proper distributor Gear will void all warranties and/or return policies.... COMP Cams Camshaft CS 299T HR-107 BMT T 1980-1982 Checker Marathon Base / Deluxe $586.45 |
 IN STOCK - DROPSHIPS 12-607-5SBC - 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 270B-6 1980-1982 Checker Marathon Base / Deluxe $325.96 |
 IN STOCK - DROPSHIPS 12-608-5SBC - 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 280B-6 1980-1982 Checker Marathon Base / Deluxe $325.96 |
 $406.95 |
 IN STOCK - DROPSHIPS 12-609-5SBC - 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 285B-6 1980-1982 Checker Marathon Base / Deluxe $325.96 |
 IN STOCK - DROPSHIPS 12-610-20COMP Cams Nitrided Camshaft CS 290B-4 1980-1982 Checker Marathon Base / Deluxe $406.95 |
 IN STOCK - DROPSHIPS 12-610-5SBC - 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 290B-4 1980-1982 Checker Marathon Base / Deluxe $325.96 |
 IN STOCK - DROPSHIPS 12-611-20COMP Cams Nitrided Camshaft CS 290B-6 1980-1982 Checker Marathon Base / Deluxe $406.95 |
 IN STOCK - DROPSHIPS 12-611-5SBC - 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 290B-6 1980-1982 Checker Marathon Base / Deluxe $325.96 |
 IN STOCK - DROPSHIPS 12-612-20COMP Cams Nitrided Camshaft CS 300B-6 1980-1982 Checker Marathon Base / Deluxe $406.95 |
 IN STOCK - DROPSHIPS 12-612-5SBC - 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 300B-6 1980-1982 Checker Marathon Base / Deluxe $325.96 |
 IN STOCK - DROPSHIPS 12-614-5SBC - 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 310B-4 1980-1982 Checker Marathon Base / Deluxe $325.96 |
 IN STOCK - DROPSHIPS 12-620-5SBC - 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 263Ma-S6 1980-1982 Checker Marathon Base / Deluxe $325.96 |
 OUT OF STOCK 12-622-5SBC - 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 267Ma-S6 1980-1982 Checker Marathon Base / Deluxe $325.96 |
 SHIPS FROM MANUFACTURER 12-624-5COMP Cams Camshaft CS 271Ma-S6 1980-1982 Checker Marathon Base / Deluxe $319.06 |
 SHIPS FROM MANUFACTURER 12-626-20COMP Cams Nitrided Camshaft CS 275Ma-S6 1980-1982 Checker Marathon Base / Deluxe $423.95 |
 IN STOCK - DROPSHIPS 12-626-5SBC - 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 275Ma-S6 1980-1982 Checker Marathon Base / Deluxe $325.96 |
 OUT OF STOCK 12-628-20COMP Cams Nitrided Camshaft CS 279Ma-S6 1980-1982 Checker Marathon Base / Deluxe $406.95 |
 IN STOCK - DROPSHIPS 12-628-5SBC - 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 279Ma-S6 1980-1982 Checker Marathon Base / Deluxe $325.96 |
 IN STOCK - DROPSHIPS 12-645-5SBC - 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 295B-6 1980-1982 Checker Marathon Base / Deluxe $325.96 |
 SHIPS FROM MANUFACTURER 12-646-5SBC - 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 266Xos-8 1980-1982 Checker Marathon Base / Deluxe $345.36 |